{"title":"Endurance Products","description":"\u003cp\u003eDiscover premium dietary supplements engineered for optimal nutrient absorption with \u003cb\u003eEndurance Products\u003c\/b\u003e. Utilizing advanced immediate-release (IR), sustained-release (SR), and extended-release (ER) technologies, these science-backed formulas deliver steady, balanced support for cardiovascular function, cellular energy, metabolic balance, and digestive health.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eFeatured Formulations\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eHeart \u0026amp; Metabolic Health:\u003c\/b\u003e Support healthy cholesterol levels, blood circulation, and glucose metabolism with targeted options like \u003cb\u003ePlain Niacin IR\u003c\/b\u003e, \u003cb\u003ePhytosterols IR\u003c\/b\u003e, \u003cb\u003eEndur-Acin ER\u003c\/b\u003e, \u003cb\u003eResveratrol\u003c\/b\u003e, and \u003cb\u003eDihydroberberine SR\u003c\/b\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eCellular Energy \u0026amp; Anti-Aging:\u003c\/b\u003e Enhance cellular vitality, NAD+ levels, and antioxidant protection using \u003cb\u003eRiaGev-SR\u003c\/b\u003e and powerful \u003cb\u003eEndur-C SR\u003c\/b\u003e Vitamin C formulations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eGut \u0026amp; Cognitive Support:\u003c\/b\u003e Promote digestive tract integrity and brain function with specialized options such as \u003cb\u003ePepZin GI\u003c\/b\u003e and high-absorption \u003cb\u003eTauroMag SR\u003c\/b\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhether you need targeted circulation support with \u003cb\u003eL-Arginine SR\u003c\/b\u003e or potent antioxidant protection from \u003cb\u003eTaxifolin Complex SR\u003c\/b\u003e, these supplements are formulated for consistent daily performance without standard digestive spikes. Upgrade your wellness routine with bioavailable ingredients designed to last.\u003c\/p\u003e","products":[{"product_id":"dihydroberberine-sr-150mg-endurance-products","title":"Dihydroberberine SR 150mg by Endurance Products","description":"\u003cp\u003e\u003cstrong\u003eDihydroberberine SR 150mg by Endurance Products\u003c\/strong\u003e delivers GlucoVantage dihydroberberine in a sustained-release tablet format designed to support healthy glucose metabolism, insulin sensitivity within the normal range, and overall metabolic balance.\u003c\/p\u003e\n\n\u003ch2\u003eKey Benefits of Dihydroberberine SR by Endurance Products\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHealthy Glucose Metabolism Support:\u003c\/strong\u003e Promotes healthy blood glucose levels already within the normal range by supporting cellular glucose uptake and utilization pathways.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsulin Sensitivity Maintenance:\u003c\/strong\u003e Supports healthy insulin signaling at the cellular level, promoting efficient glucose transport into muscle and liver cells.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGlucoVantage Dihydroberberine:\u003c\/strong\u003e Features GlucoVantage, a patented, highly bioavailable form of dihydroberberine shown in research to be absorbed more efficiently than standard berberine HCl.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSustained-Release Delivery:\u003c\/strong\u003e The SR (sustained-release) tablet format is designed to extend the release of dihydroberberine over time, supporting more consistent plasma levels and reducing the gastrointestinal discomfort sometimes associated with standard berberine supplements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCardiovascular Function Support:\u003c\/strong\u003e Promotes healthy lipid metabolism and supports cardiovascular function as part of a balanced metabolic health protocol.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAMPK Pathway Activation Support:\u003c\/strong\u003e Dihydroberberine supports activation of AMP-activated protein kinase (AMPK), a key cellular energy-sensing enzyme involved in glucose and lipid metabolism regulation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailable in Two Sizes:\u003c\/strong\u003e Offered in both 60-tablet and 180-tablet formats to accommodate short-term trials and long-term daily use protocols.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy This Formula Matters\u003c\/h2\u003e\n\u003cp\u003eStandard berberine HCl, while well-researched for metabolic support, is known for limited oral bioavailability due to poor intestinal absorption and rapid first-pass metabolism, which can necessitate high doses and frequent dosing to achieve meaningful plasma concentrations. Dihydroberberine, the reduced form of berberine, has been shown in comparative research to be absorbed significantly more efficiently, with GlucoVantage studies suggesting up to five times greater bioavailability than standard berberine HCl at equivalent doses. The sustained-release tablet format used by Endurance Products further extends this advantage by promoting steady plasma levels throughout the day, supporting consistent metabolic activity without the gastrointestinal side effects commonly reported with high-dose berberine supplementation.\u003c\/p\u003e\n\n\u003ch2\u003eDietary and Quality Standards\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFeatures GlucoVantage, a patented dihydroberberine ingredient\u003c\/li\u003e\n\u003cli\u003eSustained-release tablet format for extended delivery\u003c\/li\u003e\n\u003cli\u003e150mg dihydroberberine per tablet\u003c\/li\u003e\n\u003cli\u003eAvailable in 60-tablet and 180-tablet sizes\u003c\/li\u003e\n\u003cli\u003eManufactured by Endurance Products Company, a US-based supplement manufacturer with decades of sustained-release tablet expertise\u003c\/li\u003e\n\u003cli\u003eNo artificial colors or flavors\u003c\/li\u003e\n\u003cli\u003eGluten-Free\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003ch3\u003eWhat is dihydroberberine and how does it differ from standard berberine?\u003c\/h3\u003e\n\u003cp\u003eDihydroberberine is the reduced, gut-converted form of berberine that is produced naturally in the intestine when standard berberine is metabolized. Research suggests that dihydroberberine is absorbed more efficiently than berberine HCl, with GlucoVantage studies indicating significantly greater bioavailability at comparable doses. This means that lower doses of dihydroberberine may support similar metabolic outcomes to higher doses of standard berberine, with a potentially reduced burden on the gastrointestinal tract.\u003c\/p\u003e\n\n\u003ch3\u003eWhat is GlucoVantage and why does it matter?\u003c\/h3\u003e\n\u003cp\u003eGlucoVantage is a patented, standardized form of dihydroberberine developed to deliver consistent potency and enhanced bioavailability compared to standard berberine HCl. Using a patented ingredient like GlucoVantage provides assurance of identity, purity, and the specific form of dihydroberberine used in the supporting research, which is an important consideration when evaluating supplement quality.\u003c\/p\u003e\n\n\u003ch3\u003eWhat does SR mean in Dihydroberberine SR?\u003c\/h3\u003e\n\u003cp\u003eSR stands for sustained-release. The sustained-release tablet format is designed to extend the delivery of dihydroberberine over a longer period compared to immediate-release capsules or tablets, supporting more consistent plasma levels and potentially reducing the gastrointestinal discomfort that some individuals experience with standard berberine supplements taken in large single doses.\u003c\/p\u003e\n\n\u003ch3\u003eHow do I take Dihydroberberine SR 150mg?\u003c\/h3\u003e\n\u003cp\u003eUse as directed by a qualified healthcare professional. Typical protocols for dihydroberberine supplementation involve taking one or more tablets with meals, but individual dosing should be determined in consultation with a licensed healthcare provider based on your specific health goals and current medications.\u003c\/p\u003e\n\n\u003ch3\u003eCan I take Dihydroberberine SR with other medications or supplements?\u003c\/h3\u003e\n\u003cp\u003eDihydroberberine may interact with certain medications, including those used to support blood glucose management. Always consult a qualified healthcare professional before adding any new supplement to your regimen, particularly if you are currently taking prescription medications or managing a diagnosed health condition.\u003c\/p\u003e\n\n\u003ch3\u003eWho should consult a healthcare professional before use?\u003c\/h3\u003e\n\u003cp\u003ePregnant or nursing women, children under 18, individuals taking prescription medications, and those with known metabolic or gastrointestinal conditions should consult a qualified healthcare professional before use. Keep out of reach of children.\u003c\/p\u003e","brand":"Endurance Products","offers":[{"title":"60 Tablets","offer_id":53940746911928,"sku":"EP1000","price":49.99,"currency_code":"USD","in_stock":true},{"title":"180 Tablets","offer_id":53940746944696,"sku":"EP1001","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0217\/3199\/9816\/files\/Dihydroberberine_SR_150mg_by_Endurance_Products_60.webp?v=1787073247"},{"product_id":"endur-acin-er-500mg-100-tablets-endurance-products","title":"Endur-Acin ER 500mg 100 Tablets by Endurance Products","description":"\u003cp\u003e\u003cstrong\u003eEndur-Acin ER 500mg 100 Tablets by Endurance Products\u003c\/strong\u003e delivers 500mg of extended-release niacin (vitamin B3) per tablet using Endurance Products Company's proprietary wax-matrix sustained-release technology, designed to support healthy lipid balance, cardiovascular function, and cellular energy metabolism.\u003c\/p\u003e\n\n\u003ch2\u003eKey Benefits of Endur-Acin Extended Release Niacin 500mg\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHealthy Lipid Balance Support:\u003c\/strong\u003e Niacin supports healthy HDL cholesterol levels already within the normal range and promotes balanced lipid metabolism as part of a comprehensive cardiovascular wellness protocol.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCardiovascular Function Support:\u003c\/strong\u003e Promotes healthy blood flow and supports vascular function by maintaining healthy lipid profiles and supporting endothelial integrity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtended-Release Delivery:\u003c\/strong\u003e Endur-Acin uses a wax-matrix tablet technology that releases niacin gradually over several hours, designed to reduce the intensity of niacin-associated skin flushing compared to immediate-release niacin formulations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCellular Energy Metabolism:\u003c\/strong\u003e Niacin is a precursor to NAD+ and NADP+, coenzymes essential for mitochondrial energy production, DNA repair, and cellular redox reactions throughout the body.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNervous System Support:\u003c\/strong\u003e As vitamin B3, niacin supports healthy neurological function and promotes neurotransmitter synthesis pathways involved in cognitive and mood balance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEstablished Formula with Decades of Use:\u003c\/strong\u003e Endur-Acin has been manufactured by Endurance Products Company for decades, reflecting a long-standing commitment to sustained-release niacin quality and consistency.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy This Formula Matters\u003c\/h2\u003e\n\u003cp\u003eNiacin is one of the most extensively studied B vitamins for cardiovascular and metabolic support, yet immediate-release niacin is widely associated with prostaglandin-mediated skin flushing that can limit tolerability and long-term compliance. Endur-Acin addresses this through a proprietary wax-matrix extended-release tablet that slows niacin absorption over time, reducing peak plasma concentrations and the associated flushing response while maintaining sustained niacin availability for metabolic and cardiovascular support. Manufactured by Endurance Products Company, a US-based company with specialized expertise in sustained-release tablet technology, Endur-Acin represents a clinically informed approach to niacin supplementation designed for individuals who require consistent, long-term B3 support.\u003c\/p\u003e\n\n\u003ch2\u003eDietary and Quality Standards\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e500mg niacin (vitamin B3) per extended-release tablet\u003c\/li\u003e\n\u003cli\u003eProprietary wax-matrix sustained-release tablet technology\u003c\/li\u003e\n\u003cli\u003eDesigned to reduce niacin-associated flushing compared to immediate-release forms\u003c\/li\u003e\n\u003cli\u003e100 tablets per bottle\u003c\/li\u003e\n\u003cli\u003eGluten-Free\u003c\/li\u003e\n\u003cli\u003eNo artificial colors or flavors\u003c\/li\u003e\n\u003cli\u003eManufactured by Endurance Products Company, a US-based sustained-release tablet specialist with decades of manufacturing experience\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003ch3\u003eWhat is extended-release niacin and how does it differ from immediate-release niacin?\u003c\/h3\u003e\n\u003cp\u003eExtended-release niacin is formulated to release niacin gradually over several hours rather than all at once. Immediate-release niacin is absorbed rapidly, which can cause a significant rise in prostaglandin levels that triggers skin flushing, redness, and warmth, a common and often uncomfortable side effect. The extended-release format used in Endur-Acin is designed to slow this absorption, reducing peak plasma concentrations and the associated flushing response while maintaining sustained niacin availability for metabolic support.\u003c\/p\u003e\n\n\u003ch3\u003eWhat is the wax-matrix technology used in Endur-Acin?\u003c\/h3\u003e\n\u003cp\u003eWax-matrix tablet technology involves embedding the active ingredient within a wax-based matrix that controls the rate at which the ingredient is released as the tablet passes through the gastrointestinal tract. This approach allows for a gradual, sustained release of niacin over time without the use of enteric coatings or polymer shells, and is the proprietary delivery method that Endurance Products Company has refined over decades of sustained-release tablet manufacturing.\u003c\/p\u003e\n\n\u003ch3\u003eHow do I take Endur-Acin ER 500mg?\u003c\/h3\u003e\n\u003cp\u003eUse as directed by a qualified healthcare professional. Niacin dosing for lipid and cardiovascular support varies significantly by individual, and the appropriate dose should be determined in consultation with a licensed healthcare provider. Do not crush or chew the extended-release tablet, as this will disrupt the sustained-release mechanism.\u003c\/p\u003e\n\n\u003ch3\u003eWill I experience flushing with Endur-Acin?\u003c\/h3\u003e\n\u003cp\u003eThe extended-release format of Endur-Acin is designed to reduce the intensity of niacin-associated flushing compared to immediate-release niacin. However, some individuals may still experience mild flushing, particularly when starting supplementation or increasing dose. Taking Endur-Acin with food and avoiding hot beverages or alcohol around the time of dosing may help further minimize this response. Consult a healthcare professional if flushing is persistent or uncomfortable.\u003c\/p\u003e\n\n\u003ch3\u003eCan I take Endur-Acin with other medications or supplements?\u003c\/h3\u003e\n\u003cp\u003eNiacin may interact with certain medications and supplements. Always consult a qualified healthcare professional before adding Endur-Acin to your regimen, particularly if you are currently taking prescription medications or managing a diagnosed health condition.\u003c\/p\u003e\n\n\u003ch3\u003eWho should consult a healthcare professional before use?\u003c\/h3\u003e\n\u003cp\u003ePregnant or nursing women, children under 18, individuals with liver conditions, those taking prescription medications, and anyone with a history of gout or peptic ulcer should consult a qualified healthcare professional before use. Keep out of reach of children.\u003c\/p\u003e","brand":"Endurance Products","offers":[{"title":"Default Title","offer_id":53940871332024,"sku":"EP1002","price":22.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0217\/3199\/9816\/files\/Endur-Acin_ER_500mg_100_Tablets_by_Endurance_Products.webp?v=1787074310"},{"product_id":"endur-c-sr-500mg-90-tablets-endurance-products","title":"Endur-C  SR 500mg 90 Tablets by Endurance Products","description":"\u003cp\u003e\u003cstrong\u003eEndur-C SR 500mg 90 Tablets by Endurance Products\u003c\/strong\u003e delivers 500mg of vitamin C with rose hips in a SmartMatrix sustained-release tablet designed to release ascorbic acid gradually over 5 to 7 hours, supporting sustained immune function, antioxidant defense, and connective tissue integrity throughout the day.\u003c\/p\u003e\n\n\u003ch2\u003eKey Benefits of Endur-C Sustained-Release Vitamin C with Rose Hips\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eImmune System Support:\u003c\/strong\u003e Vitamin C is an essential nutrient that supports the structural and functional components of both the innate and adaptive immune systems, promoting the body's natural defense mechanisms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAntioxidant Defense:\u003c\/strong\u003e As a potent water-soluble antioxidant, vitamin C promotes neutralization of free radicals and supports cellular protection against oxidative stress throughout the body.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnective Tissue and Collagen Synthesis Support:\u003c\/strong\u003e Vitamin C is a required cofactor for collagen biosynthesis, supporting the structural integrity of skin, cartilage, tendons, blood vessels, and bone.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCardiovascular Function Support:\u003c\/strong\u003e Promotes healthy endothelial function and supports vascular integrity as part of a comprehensive cardiovascular wellness protocol.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRose Hips Complex:\u003c\/strong\u003e Includes rose hips as a natural source of vitamin C bioflavonoids and phytonutrients that may support the bioavailability and antioxidant activity of ascorbic acid.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmartMatrix Sustained-Release Technology:\u003c\/strong\u003e Endurance Products Company's proprietary wax-matrix tablet releases vitamin C gradually over 5 to 7 hours, supporting more consistent plasma ascorbate levels compared to immediate-release vitamin C formulations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVegan and Vegetarian Friendly:\u003c\/strong\u003e Formulated with vegetable-sourced wax and stearic acid, free from animal-derived ingredients.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy This Formula Matters\u003c\/h2\u003e\n\u003cp\u003eVitamin C is a water-soluble nutrient that the body cannot synthesize endogenously, making consistent dietary or supplemental intake essential for maintaining optimal ascorbate status. Immediate-release vitamin C supplements are absorbed rapidly but may result in transient plasma peaks followed by urinary excretion before tissues can fully utilize the available ascorbate. Endur-C addresses this through SmartMatrix sustained-release technology, which extends vitamin C release over 5 to 7 hours to support more consistent tissue saturation and reduce the urinary loss associated with high single-dose immediate-release formulations. The inclusion of rose hips provides complementary phytonutrients that support the broader antioxidant and immune-supportive activity of the formula.\u003c\/p\u003e\n\n\u003ch2\u003eDietary and Quality Standards\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e500mg vitamin C (as ascorbic acid with rose hips) per sustained-release tablet\u003c\/li\u003e\n\u003cli\u003eSmartMatrix proprietary wax-matrix sustained-release technology\u003c\/li\u003e\n\u003cli\u003eReleases vitamin C gradually over 5 to 7 hours\u003c\/li\u003e\n\u003cli\u003eGluten-Free\u003c\/li\u003e\n\u003cli\u003eVegan and Vegetarian\u003c\/li\u003e\n\u003cli\u003eFree from milk, egg, fish, shellfish, soy, peanuts, tree nuts, and wheat\u003c\/li\u003e\n\u003cli\u003eNo salt, sugar, starch, preservatives, artificial colors, or flavorings\u003c\/li\u003e\n\u003cli\u003e90 tablets per bottle\u003c\/li\u003e\n\u003cli\u003eManufactured by Endurance Products Company, a US-based sustained-release tablet specialist\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003ch3\u003eWhat is sustained-release vitamin C and how does it differ from standard vitamin C supplements?\u003c\/h3\u003e\n\u003cp\u003eSustained-release vitamin C is formulated to release ascorbic acid gradually over several hours rather than all at once. Standard immediate-release vitamin C is absorbed rapidly, which can result in a sharp rise in plasma ascorbate followed by urinary excretion before tissues can fully utilize the available nutrient. The SmartMatrix sustained-release format used in Endur-C is designed to extend this release over 5 to 7 hours, supporting more consistent plasma and tissue ascorbate levels throughout the day.\u003c\/p\u003e\n\n\u003ch3\u003eWhat is the role of rose hips in this formula?\u003c\/h3\u003e\n\u003cp\u003eRose hips are the fruit of the Rosa canina plant and serve as a natural source of vitamin C along with bioflavonoids and other phytonutrients. In Endur-C, rose hips complement the ascorbic acid content and contribute plant-derived compounds that may support the antioxidant and immune-supportive activity of the overall formula.\u003c\/p\u003e\n\n\u003ch3\u003eHow do I take Endur-C SR 500mg?\u003c\/h3\u003e\n\u003cp\u003eTake one tablet daily, preferably with a meal, or as directed by a qualified healthcare professional. Do not crush or chew the sustained-release tablet, as this will disrupt the SmartMatrix delivery mechanism and result in immediate rather than extended release of the vitamin C content.\u003c\/p\u003e\n\n\u003ch3\u003eWhat are the other ingredients in Endur-C SR?\u003c\/h3\u003e\n\u003cp\u003eOther ingredients include vegetable wax (rice bran and\/or carnauba), stearic acid (vegetable), magnesium stearate (vegetable), and silica. The formula does not contain milk, egg, fish, shellfish, soy, peanuts, tree nuts, wheat, salt, sugar, starch, preservatives, artificial colors, or flavorings.\u003c\/p\u003e\n\n\u003ch3\u003eIs Endur-C SR suitable for vegans and vegetarians?\u003c\/h3\u003e\n\u003cp\u003eYes. Endur-C SR is formulated with vegetable-sourced wax and stearic acid and does not contain any animal-derived ingredients, making it suitable for both vegan and vegetarian lifestyles.\u003c\/p\u003e\n\n\u003ch3\u003eWho should consult a healthcare professional before use?\u003c\/h3\u003e\n\u003cp\u003eIndividuals with a known medical condition, those taking prescription medications, and pregnant or nursing women should consult a qualified healthcare professional prior to use. Keep out of reach of children.\u003c\/p\u003e","brand":"Endurance Products","offers":[{"title":"Default Title","offer_id":53940934115512,"sku":"EP1003","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0217\/3199\/9816\/files\/Endur-C_SR_500mg_90_Tablets_by_Endurance_Products.webp?v=1787075331"},{"product_id":"endur-c-sr-1000mg-90-tablets-endurance-products","title":"Endur-C SR 1000mg 90 Tablets by Endurance Products","description":"\u003cp\u003e\u003cstrong\u003eEndur-C SR 1000mg 90 Tablets by Endurance Products\u003c\/strong\u003e delivers 1000mg of vitamin C with rose hips in a SmartMatrix sustained-release tablet designed to release ascorbic acid gradually over 5 to 7 hours, supporting sustained immune function, antioxidant defense, and connective tissue integrity at a higher potency dose.\u003c\/p\u003e\n\n\u003ch2\u003eKey Benefits of Endur-C SR 1000mg Sustained-Release Vitamin C with Rose Hips\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Potency Immune System Support:\u003c\/strong\u003e Delivers 1000mg of vitamin C per tablet to support the structural and functional components of both the innate and adaptive immune systems, promoting the body's natural defense mechanisms at a clinically relevant dose.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAntioxidant Defense:\u003c\/strong\u003e As a potent water-soluble antioxidant, vitamin C at 1000mg promotes robust neutralization of free radicals and supports cellular protection against oxidative stress throughout the body.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnective Tissue and Collagen Synthesis Support:\u003c\/strong\u003e Vitamin C is a required cofactor for collagen biosynthesis, supporting the structural integrity of skin, cartilage, tendons, blood vessels, and bone at every dose.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCardiovascular Function Support:\u003c\/strong\u003e Promotes healthy endothelial function and supports vascular integrity as part of a comprehensive cardiovascular wellness protocol.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRose Hips Complex:\u003c\/strong\u003e Includes rose hips as a natural source of vitamin C bioflavonoids and phytonutrients that complement the ascorbic acid content and support the antioxidant activity of the formula.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmartMatrix Sustained-Release Technology:\u003c\/strong\u003e Endurance Products Company's proprietary wax-matrix tablet releases vitamin C gradually over 5 to 7 hours, supporting more consistent plasma ascorbate levels and reducing urinary loss compared to immediate-release formulations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVegan and Vegetarian Friendly:\u003c\/strong\u003e Formulated with vegetable-sourced wax and stearic acid, free from animal-derived ingredients.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy This Formula Matters\u003c\/h2\u003e\n\u003cp\u003eVitamin C is a water-soluble nutrient that the body cannot synthesize endogenously, making consistent supplemental intake essential for maintaining optimal ascorbate status, particularly for individuals with elevated oxidative stress, immune demands, or connective tissue support needs. At the 1000mg dose, immediate-release vitamin C supplements are absorbed rapidly but may result in transient plasma peaks followed by significant urinary excretion before tissues can fully utilize the available ascorbate. Endur-C SR 1000mg addresses this through SmartMatrix sustained-release technology, which extends vitamin C release over 5 to 7 hours to support more consistent tissue saturation, reduce urinary loss, and promote sustained antioxidant and immune activity throughout the day without the gastrointestinal discomfort sometimes associated with high single-dose immediate-release vitamin C.\u003c\/p\u003e\n\n\u003ch2\u003eDietary and Quality Standards\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1000mg vitamin C (as ascorbic acid with rose hips) per sustained-release tablet\u003c\/li\u003e\n\u003cli\u003eSmartMatrix proprietary wax-matrix sustained-release technology\u003c\/li\u003e\n\u003cli\u003eReleases vitamin C gradually over 5 to 7 hours\u003c\/li\u003e\n\u003cli\u003eGluten-Free\u003c\/li\u003e\n\u003cli\u003eVegan and Vegetarian\u003c\/li\u003e\n\u003cli\u003eFree from milk, egg, fish, shellfish, soy, peanuts, tree nuts, and wheat\u003c\/li\u003e\n\u003cli\u003eNo salt, sugar, starch, preservatives, artificial colors, or flavorings\u003c\/li\u003e\n\u003cli\u003e90 tablets per bottle\u003c\/li\u003e\n\u003cli\u003eManufactured by Endurance Products Company, a US-based sustained-release tablet specialist\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003ch3\u003eHow does Endur-C SR 1000mg differ from the 500mg version?\u003c\/h3\u003e\n\u003cp\u003eEndur-C SR 1000mg delivers twice the vitamin C per tablet compared to the 500mg version, making it well-suited for individuals with higher daily vitamin C requirements, those under increased oxidative or immune stress, or those following a healthcare provider's protocol that calls for a higher potency dose. Both versions use the same SmartMatrix sustained-release technology and rose hips complex. The appropriate dose should always be determined in consultation with a qualified healthcare professional.\u003c\/p\u003e\n\n\u003ch3\u003eWhat is sustained-release vitamin C and how does it differ from standard vitamin C?\u003c\/h3\u003e\n\u003cp\u003eSustained-release vitamin C is formulated to release ascorbic acid gradually over several hours rather than all at once. Standard immediate-release vitamin C is absorbed rapidly, which can result in a sharp rise in plasma ascorbate followed by urinary excretion before tissues can fully utilize the available nutrient. The SmartMatrix sustained-release format used in Endur-C is designed to extend this release over 5 to 7 hours, supporting more consistent plasma and tissue ascorbate levels and reducing the urinary loss associated with high single-dose immediate-release formulations.\u003c\/p\u003e\n\n\u003ch3\u003eWhat is the role of rose hips in this formula?\u003c\/h3\u003e\n\u003cp\u003eRose hips are the fruit of the Rosa canina plant and serve as a natural source of vitamin C along with bioflavonoids and other phytonutrients. In Endur-C, rose hips complement the ascorbic acid content and contribute plant-derived compounds that may support the antioxidant and immune-supportive activity of the overall formula.\u003c\/p\u003e\n\n\u003ch3\u003eHow do I take Endur-C SR 1000mg?\u003c\/h3\u003e\n\u003cp\u003eTake one tablet daily, preferably with a meal, or as directed by a qualified healthcare professional. Do not crush or chew the sustained-release tablet, as this will disrupt the SmartMatrix delivery mechanism and result in immediate rather than extended release of the vitamin C content.\u003c\/p\u003e\n\n\u003ch3\u003eWhat are the other ingredients in Endur-C SR 1000mg?\u003c\/h3\u003e\n\u003cp\u003eOther ingredients include vegetable wax (rice bran and\/or carnauba), stearic acid (vegetable), magnesium stearate (vegetable), and silica. The formula does not contain milk, egg, fish, shellfish, soy, peanuts, tree nuts, wheat, salt, sugar, starch, preservatives, artificial colors, or flavorings.\u003c\/p\u003e\n\n\u003ch3\u003eWho should consult a healthcare professional before use?\u003c\/h3\u003e\n\u003cp\u003eIndividuals with a known medical condition, those taking prescription medications, and pregnant or nursing women should consult a qualified healthcare professional prior to use. Individuals with a history of kidney stones should discuss high-dose vitamin C supplementation with their healthcare provider before use. Keep out of reach of children.\u003c\/p\u003e","brand":"Endurance Products","offers":[{"title":"Default Title","offer_id":53940956987576,"sku":"EP1004","price":24.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0217\/3199\/9816\/files\/Endur-C_SR_1000mg_90_Tablets_by_Endurance_Products.webp?v=1787076087"},{"product_id":"l-arginine-sr-350mg-60-tablets-endurance-products","title":"L-Arginine SR 350mg 60 Tablets by Endurance Products","description":"\u003cp\u003e\u003cstrong\u003eL-Arginine SR 350mg 60 Tablets by Endurance Products\u003c\/strong\u003e delivers 350mg of L-arginine per tablet as arginine alpha-ketoglutarate in a SmartMatrix sustained-release format designed to release this conditionally essential amino acid gradually over 4 to 6 hours, supporting cardiovascular function, nitric oxide synthesis, and healthy blood flow.\u003c\/p\u003e\n\n\u003ch2\u003eKey Benefits of L-Arginine SR 350mg by Endurance Products\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCardiovascular Function Support:\u003c\/strong\u003e L-arginine is the primary substrate for endothelial nitric oxide synthase (eNOS), the enzyme responsible for producing nitric oxide in blood vessel walls, which supports healthy vasodilation and promotes normal cardiovascular function.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNitric Oxide Synthesis Support:\u003c\/strong\u003e Promotes the body's natural production of nitric oxide, a signaling molecule that supports vascular tone, blood flow, and endothelial integrity throughout the circulatory system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArginine Alpha-Ketoglutarate Form:\u003c\/strong\u003e Delivers L-arginine as arginine alpha-ketoglutarate (AAKG), a salt form that may support enhanced absorption and utilization compared to standard L-arginine HCl.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmartMatrix Sustained-Release Technology:\u003c\/strong\u003e Endurance Products Company's proprietary wax-matrix tablet releases L-arginine gradually over 4 to 6 hours, supporting more consistent plasma arginine levels and reducing the gastrointestinal discomfort sometimes associated with large single-dose arginine supplementation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExercise Performance and Recovery Support:\u003c\/strong\u003e Promotes healthy blood flow to working muscles during physical activity and supports post-exercise recovery through nitric oxide-mediated vascular mechanisms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImmune Function Support:\u003c\/strong\u003e L-arginine is involved in immune cell proliferation and function, supporting the body's natural immune defense mechanisms at the cellular level.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eServing Flexibility:\u003c\/strong\u003e Each serving of 3 tablets provides 1050mg of L-arginine as AAKG, with dosing frequency adjustable under healthcare professional guidance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy This Formula Matters\u003c\/h2\u003e\n\u003cp\u003eL-arginine is a conditionally essential amino acid that serves as the sole substrate for endogenous nitric oxide production via the nitric oxide synthase pathway, making adequate arginine availability central to healthy vascular tone, endothelial function, and cardiovascular support. Standard immediate-release L-arginine supplements are absorbed rapidly but may result in transient plasma peaks followed by rapid hepatic clearance, limiting the duration of elevated arginine availability for nitric oxide synthesis. Endurance Products Company's SmartMatrix sustained-release technology addresses this by extending L-arginine release over 4 to 6 hours, supporting more consistent plasma arginine levels and promoting sustained nitric oxide production throughout the day without the gastrointestinal side effects commonly reported with high single-dose arginine supplementation.\u003c\/p\u003e\n\n\u003ch2\u003eDietary and Quality Standards\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e350mg L-arginine (as arginine alpha-ketoglutarate) per sustained-release tablet\u003c\/li\u003e\n\u003cli\u003e1050mg L-arginine per 3-tablet serving\u003c\/li\u003e\n\u003cli\u003eSmartMatrix proprietary wax-matrix sustained-release technology\u003c\/li\u003e\n\u003cli\u003eReleases L-arginine gradually over 4 to 6 hours\u003c\/li\u003e\n\u003cli\u003eGluten-Free\u003c\/li\u003e\n\u003cli\u003eFree from milk, egg, fish, shellfish, soy, peanuts, tree nuts, and wheat\u003c\/li\u003e\n\u003cli\u003eNo salt, sugar, starch, preservatives, artificial colors, or flavorings\u003c\/li\u003e\n\u003cli\u003e60 tablets per bottle\u003c\/li\u003e\n\u003cli\u003eManufactured by Endurance Products Company, a US-based sustained-release tablet specialist\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003ch3\u003eWhat is L-arginine and why is it important for cardiovascular function?\u003c\/h3\u003e\n\u003cp\u003eL-arginine is a conditionally essential amino acid that serves as the primary substrate for nitric oxide synthase, the enzyme that produces nitric oxide in the endothelial cells lining blood vessels. Nitric oxide is a critical signaling molecule that supports healthy vasodilation, promotes normal blood flow, and maintains vascular tone throughout the circulatory system. Adequate L-arginine availability supports the body's capacity to produce nitric oxide and maintain healthy cardiovascular function.\u003c\/p\u003e\n\n\u003ch3\u003eWhat is arginine alpha-ketoglutarate and how does it differ from standard L-arginine?\u003c\/h3\u003e\n\u003cp\u003eArginine alpha-ketoglutarate (AAKG) is a salt form of L-arginine in which the amino acid is bound to alpha-ketoglutarate, a Krebs cycle intermediate. This form may support enhanced absorption and utilization compared to standard L-arginine HCl, and is commonly used in research and clinical supplement protocols for cardiovascular and exercise performance support.\u003c\/p\u003e\n\n\u003ch3\u003eHow do I take L-Arginine SR 350mg?\u003c\/h3\u003e\n\u003cp\u003eFor adults, take three tablets twice daily, preferably with meals, or as directed by a qualified healthcare professional. Each 3-tablet serving provides 1050mg of L-arginine as arginine alpha-ketoglutarate. Do not crush or chew the sustained-release tablets, as this will disrupt the SmartMatrix delivery mechanism.\u003c\/p\u003e\n\n\u003ch3\u003eWhy is a sustained-release format beneficial for L-arginine supplementation?\u003c\/h3\u003e\n\u003cp\u003eStandard immediate-release L-arginine is absorbed rapidly, which can result in transient plasma peaks followed by rapid hepatic clearance, limiting the duration of elevated arginine availability for nitric oxide synthesis. The SmartMatrix sustained-release format extends L-arginine release over 4 to 6 hours, supporting more consistent plasma arginine levels throughout the day and reducing the gastrointestinal discomfort sometimes associated with large single-dose arginine supplementation.\u003c\/p\u003e\n\n\u003ch3\u003eWhat are the other ingredients in L-Arginine SR 350mg?\u003c\/h3\u003e\n\u003cp\u003eOther ingredients include calcium phosphate, vegetable wax (rice bran and\/or carnauba wax), stearic acid (vegetable), magnesium stearate (vegetable), and silica. The formula does not contain milk, egg, fish, shellfish, soy, peanuts, tree nuts, wheat, salt, sugar, starch, preservatives, artificial colors, or flavorings.\u003c\/p\u003e\n\n\u003ch3\u003eWho should consult a healthcare professional before use?\u003c\/h3\u003e\n\u003cp\u003eIndividuals with a known medical condition, those taking prescription medications including medications that affect blood pressure or cardiovascular function, and pregnant or nursing women should consult a qualified healthcare professional prior to use. Keep out of reach of children.\u003c\/p\u003e","brand":"Endurance Products","offers":[{"title":"Default Title","offer_id":53941004337336,"sku":"EP1005","price":23.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0217\/3199\/9816\/files\/L-Arginine_SR_350mg_60_Tablets_by_Endurance_Products.webp?v=1787077004"},{"product_id":"pepzingi-75mg-60-tablets-endurance-products","title":"PepzinGI 75mg 60 Tablets by Endurance Products","description":"\u003cp\u003e\u003cstrong\u003ePepzinGI 75mg 60 Tablets by Endurance Products\u003c\/strong\u003e delivers a clinically studied form of zinc-carnosine that supports gastric mucosal integrity and promotes a balanced gastrointestinal environment.\u003c\/p\u003e\n\n\u003ch2\u003eKey Benefits of PepzinGI Zinc-Carnosine\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGastric Mucosal Support\u003c\/strong\u003e - Promotes the structural integrity of the stomach lining for day-to-day digestive comfort.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZinc-Carnosine Complex\u003c\/strong\u003e - Delivers a chelated form of zinc and L-carnosine that supports targeted activity in the gastric environment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigestive Comfort\u003c\/strong\u003e - Supports a balanced stomach environment and promotes normal digestive function.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAntioxidant Activity\u003c\/strong\u003e - Zinc contributes to normal antioxidant defense mechanisms within gastrointestinal tissue.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImmune Function Support\u003c\/strong\u003e - Zinc maintains normal immune system function as part of daily nutritional intake.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChewable Delivery Format\u003c\/strong\u003e - Formulated as a chewable tablet for convenient administration without water.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy This Formula Matters\u003c\/h2\u003e\n\u003cp\u003ePepzinGI uses a patented zinc-carnosine chelate in which zinc and L-carnosine are bound together in a 1:1 molar ratio, allowing the complex to remain stable in the gastric environment longer than either compound alone. This extended residence time supports the formula's ability to promote mucosal integrity at the site of activity. Endurance Products has formulated this product as a chewable tablet to optimize contact time with gastric tissue prior to absorption.\u003c\/p\u003e\n\n\u003ch2\u003eDietary and Quality Standards\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGluten-Free\u003c\/li\u003e\n\u003cli\u003eNo artificial colors or flavors\u003c\/li\u003e\n\u003cli\u003eManufactured in a GMP-compliant facility\u003c\/li\u003e\n\u003cli\u003eThird-party tested for quality and potency\u003c\/li\u003e\n\u003cli\u003eFree from common allergens (refer to label for full allergen information)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003ch3\u003eWhat is PepzinGI?\u003c\/h3\u003e\n\u003cp\u003ePepzinGI is a patented zinc-carnosine complex that supports gastric mucosal integrity. It is formulated to promote a balanced stomach environment and maintain normal digestive function as part of a daily supplement routine.\u003c\/p\u003e\n\n\u003ch3\u003eHow does zinc-carnosine support the stomach lining?\u003c\/h3\u003e\n\u003cp\u003eZinc-carnosine forms a stable chelate that adheres to gastric mucosal tissue, supporting structural integrity and promoting a balanced environment within the stomach. The chelated form is designed to remain active in the gastric environment longer than unchelated zinc or carnosine alone.\u003c\/p\u003e\n\n\u003ch3\u003eWho may benefit from PepzinGI 75mg?\u003c\/h3\u003e\n\u003cp\u003eAdults seeking to support gastric mucosal health, maintain normal digestive comfort, or supplement their zinc intake as part of a comprehensive wellness protocol may find PepzinGI a suitable addition to their daily regimen. Consult a qualified healthcare provider before use.\u003c\/p\u003e\n\n\u003ch3\u003eHow should PepzinGI chewable tablets be taken?\u003c\/h3\u003e\n\u003cp\u003eChew one tablet as directed by your healthcare provider. The chewable format promotes contact with gastric tissue prior to swallowing. Follow label directions and consult your practitioner for personalized dosing guidance.\u003c\/p\u003e\n\n\u003ch3\u003eIs PepzinGI safe to use long-term?\u003c\/h3\u003e\n\u003cp\u003ePepzinGI has been studied in clinical settings and is generally well tolerated. Long-term use should be supervised by a qualified healthcare provider who can assess individual nutritional needs and monitor zinc status over time.\u003c\/p\u003e","brand":"Endurance Products","offers":[{"title":"Default Title","offer_id":53941151957176,"sku":"EP1006","price":39.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0217\/3199\/9816\/files\/PepzinGI_75mg_60_Tablets_by_Endurance_Products.webp?v=1787081148"},{"product_id":"phytosterols-ir-450mg-60-tablets-endurance-products","title":"Phytosterols IR 450mg 60 Tablets by Endurance Products","description":"\u003cp\u003e\u003cstrong\u003ePhytosterols IR 450mg 60 Tablets by Endurance Products\u003c\/strong\u003e delivers a concentrated plant sterol complex that supports healthy cholesterol metabolism and promotes normal cardiovascular function as part of a balanced diet.\u003c\/p\u003e\n\n\u003ch2\u003eKey Benefits of Phytosterols IR 450mg\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCardiovascular Function Support\u003c\/strong\u003e - Promotes normal cardiovascular function by supporting healthy cholesterol metabolism within the digestive tract.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlant Sterol Complex\u003c\/strong\u003e - Provides 450mg of concentrated phytosterols derived from plant sources, delivering a clinically relevant dose per serving.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCholesterol Absorption Modulation\u003c\/strong\u003e - Supports the body's normal regulation of dietary cholesterol absorption in the small intestine.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImmediate-Release Tablet Format\u003c\/strong\u003e - Formulated as an immediate-release tablet to promote timely delivery of plant sterols in the gastrointestinal tract.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLipid Metabolism Support\u003c\/strong\u003e - Maintains normal lipid metabolism as part of a diet low in saturated fat and cholesterol.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStructural Integrity of Cell Membranes\u003c\/strong\u003e - Phytosterols are naturally occurring structural components of plant cell membranes and contribute to normal cellular function.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy This Formula Matters\u003c\/h2\u003e\n\u003cp\u003ePhytosterols are structurally similar to cholesterol and compete with dietary cholesterol for absorption in the small intestine, supporting the body's normal cholesterol balance. Endurance Products formulates this product at 450mg per tablet to provide a meaningful plant sterol dose in a convenient immediate-release format. The IR delivery system promotes consistent availability of phytosterols at the site of activity in the gastrointestinal tract, supporting the formula's role in a heart-healthy dietary approach.\u003c\/p\u003e\n\n\u003ch2\u003eDietary and Quality Standards\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePlant-sourced phytosterols\u003c\/li\u003e\n\u003cli\u003eImmediate-release tablet format\u003c\/li\u003e\n\u003cli\u003eManufactured in a GMP-compliant facility\u003c\/li\u003e\n\u003cli\u003eThird-party tested for quality and potency\u003c\/li\u003e\n\u003cli\u003eFree from artificial colors and flavors\u003c\/li\u003e\n\u003cli\u003eRefer to product label for full allergen and excipient information\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003ch3\u003eWhat are phytosterols?\u003c\/h3\u003e\n\u003cp\u003ePhytosterols are naturally occurring compounds found in plant cell membranes. They are structurally similar to cholesterol and are recognized for their role in supporting normal cholesterol metabolism when consumed as part of a diet low in saturated fat and cholesterol.\u003c\/p\u003e\n\n\u003ch3\u003eHow do phytosterols support cardiovascular function?\u003c\/h3\u003e\n\u003cp\u003ePhytosterols compete with dietary cholesterol for absorption sites in the small intestine. This mechanism supports the body's normal regulation of cholesterol levels, which in turn promotes healthy cardiovascular function as part of an overall heart-healthy lifestyle.\u003c\/p\u003e\n\n\u003ch3\u003eWhat does IR mean in Phytosterols IR 450mg?\u003c\/h3\u003e\n\u003cp\u003eIR stands for immediate release. The immediate-release tablet format is designed to deliver phytosterols promptly in the gastrointestinal tract, supporting their activity at the site where cholesterol absorption occurs.\u003c\/p\u003e\n\n\u003ch3\u003eWho may benefit from Phytosterols IR 450mg?\u003c\/h3\u003e\n\u003cp\u003eAdults seeking to support normal cholesterol metabolism and cardiovascular function as part of a balanced, heart-healthy diet may find this product a suitable addition to their daily supplement regimen. Consult a qualified healthcare provider before beginning any new supplement protocol.\u003c\/p\u003e\n\n\u003ch3\u003eHow should Phytosterols IR 450mg tablets be taken?\u003c\/h3\u003e\n\u003cp\u003eFollow the dosing directions on the product label or as recommended by your healthcare provider. Phytosterols are generally most effective when taken with meals that contain dietary fat. 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Endurance Products formulates this product without modification to preserve the full activity profile of nicotinic acid, which supports its recognized role in normal lipid metabolism and cardiovascular function. The immediate-release format promotes consistent delivery of niacin at a clinically relevant 500mg dose, making it a straightforward option for practitioners and individuals seeking a well-characterized B-vitamin supplement.\u003c\/p\u003e\n\n\u003ch2\u003eDietary and Quality Standards\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eNicotinic acid form of niacin (vitamin B3)\u003c\/li\u003e\n\u003cli\u003eImmediate-release tablet format\u003c\/li\u003e\n\u003cli\u003eNo extended-release or flush-free modifications\u003c\/li\u003e\n\u003cli\u003eManufactured in a GMP-compliant facility\u003c\/li\u003e\n\u003cli\u003eThird-party tested for quality and potency\u003c\/li\u003e\n\u003cli\u003eFree from artificial colors and flavors\u003c\/li\u003e\n\u003cli\u003eRefer to product label for full allergen and excipient information\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003ch3\u003eWhat is plain niacin and how does it differ from flush-free niacin?\u003c\/h3\u003e\n\u003cp\u003ePlain niacin refers to nicotinic acid in its unmodified, immediate-release form. Unlike flush-free niacin (inositol hexanicotinate) or extended-release formulations, plain nicotinic acid is absorbed rapidly and is the form most studied for supporting normal lipid metabolism and cardiovascular function. Some individuals experience a temporary skin flushing sensation with nicotinic acid, which is a normal physiological response.\u003c\/p\u003e\n\n\u003ch3\u003eHow does niacin support cardiovascular function?\u003c\/h3\u003e\n\u003cp\u003eNiacin as nicotinic acid supports normal lipid metabolism, which plays a role in maintaining healthy cardiovascular function. It is an essential B-vitamin involved in the metabolic pathways that regulate how the body processes fats and cholesterol as part of a balanced, heart-healthy diet.\u003c\/p\u003e\n\n\u003ch3\u003eWhat is the niacin flush and is it harmful?\u003c\/h3\u003e\n\u003cp\u003eThe niacin flush is a temporary sensation of warmth, redness, or tingling of the skin that may occur after taking nicotinic acid. This response is a normal physiological reaction related to the vasodilatory activity of nicotinic acid and is generally transient. Individuals with specific health conditions should consult a healthcare provider before use.\u003c\/p\u003e\n\n\u003ch3\u003eWho may benefit from Plain Niacin IR 500mg?\u003c\/h3\u003e\n\u003cp\u003eAdults seeking to support normal energy metabolism, cardiovascular function, and adequate vitamin B3 intake may find this product a suitable addition to their daily supplement regimen. This product is best used under the guidance of a qualified healthcare provider, particularly at doses above the recommended dietary allowance.\u003c\/p\u003e\n\n\u003ch3\u003eHow should Plain Niacin IR 500mg tablets be taken?\u003c\/h3\u003e\n\u003cp\u003eFollow the dosing directions on the product label or as recommended by your healthcare provider. Taking niacin with food may help minimize the flushing response. Individual needs and tolerances vary, so practitioner guidance is advised before beginning use.\u003c\/p\u003e","brand":"Endurance Products","offers":[{"title":"Default Title","offer_id":53941198454968,"sku":"EP1008","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0217\/3199\/9816\/files\/Plain_Niacin_IR_500mg_100_Tablets_by_Endurance_Products.webp?v=1787083450"},{"product_id":"resveratrol-100mg-endurance-products","title":"Resveratrol 100mg by Endurance Products","description":"\u003cp\u003e\u003cstrong\u003eResveratrol 100mg by Endurance Products\u003c\/strong\u003e delivers trans-resveratrol, a potent polyphenol antioxidant, that supports healthy aging and promotes normal cardiovascular function as part of a balanced lifestyle.\u003c\/p\u003e\n\u003ch2\u003eKey Benefits of Resveratrol 100mg (Trans-Resveratrol Antioxidant Complex)\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAntioxidant Protection\u003c\/strong\u003e - Supports the body's natural antioxidant defense mechanisms by neutralizing free radicals that contribute to oxidative stress.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCardiovascular Function Support\u003c\/strong\u003e - Promotes normal cardiovascular function by supporting healthy vascular tone and normal circulation as part of a heart-healthy lifestyle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHealthy Aging Support\u003c\/strong\u003e - Trans-resveratrol is studied for its role in supporting cellular longevity pathways, including sirtuin activation, which is associated with normal aging processes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eresVida Trans-Resveratrol\u003c\/strong\u003e - Formulated with resVida, a highly purified form of trans-resveratrol with documented bioavailability and stability characteristics.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrape Skin Extract\u003c\/strong\u003e - Includes 10mg of grape skin extract, a natural source of polyphenols that complements the antioxidant activity of trans-resveratrol.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCellular Health Maintenance\u003c\/strong\u003e - Maintains normal cellular function by supporting the body's response to oxidative stress at the cellular level.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwice-Daily Dosing Convenience\u003c\/strong\u003e - Formulated for twice-daily administration with meals, supporting consistent polyphenol levels throughout the day.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy This Formula Matters\u003c\/h2\u003e\n\u003cp\u003eTrans-resveratrol is the biologically active isomer of resveratrol and is the form most studied for antioxidant and cardiovascular support. Endurance Products uses resVida, a pharmaceutical-grade trans-resveratrol ingredient with established purity and bioavailability data, ensuring that each 100mg tablet delivers a well-characterized dose. 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The trans form is the isomer most studied for antioxidant activity and cardiovascular support. Not all resveratrol supplements specify the isomer used, so choosing a product that identifies trans-resveratrol helps ensure you are receiving the form with the most documented activity profile.\u003c\/p\u003e\n\u003ch3\u003eHow does resveratrol support cardiovascular function?\u003c\/h3\u003e\n\u003cp\u003eResveratrol supports normal cardiovascular function through its antioxidant activity, which helps maintain healthy vascular tissue by reducing oxidative stress. It also supports normal endothelial function and healthy circulation as part of a balanced, heart-healthy diet and lifestyle.\u003c\/p\u003e\n\u003ch3\u003eWhat is resVida and why is it used in this formula?\u003c\/h3\u003e\n\u003cp\u003eresVida is a highly purified, pharmaceutical-grade trans-resveratrol ingredient developed for consistent potency and bioavailability. It is produced to stringent quality standards and has been used in clinical research, making it a well-characterized ingredient choice for supplement formulations that prioritize ingredient integrity.\u003c\/p\u003e\n\u003ch3\u003eWho may benefit from Resveratrol 100mg 150 Tablets?\u003c\/h3\u003e\n\u003cp\u003eAdults seeking to support antioxidant defense, healthy aging, and normal cardiovascular function may find this product a suitable addition to their daily supplement regimen. As with all dietary supplements, consult a qualified healthcare provider before use, particularly if you have a medical condition, are taking medications, or are pregnant or nursing.\u003c\/p\u003e\n\u003ch3\u003eHow should Resveratrol 100mg tablets be taken?\u003c\/h3\u003e\n\u003cp\u003eThe suggested use is one tablet twice daily with morning and evening meals, or as directed by your healthcare practitioner. Taking resveratrol with meals may support absorption. Individual needs vary, so practitioner guidance is recommended.\u003c\/p\u003e","brand":"Endurance Products","offers":[{"title":"60 Tablets","offer_id":53941351252152,"sku":"EP1010","price":39.99,"currency_code":"USD","in_stock":true},{"title":"150 Tablets","offer_id":53941351284920,"sku":"EP1009","price":72.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0217\/3199\/9816\/files\/Resveratrol_100mg_150_Tablets_by_Endurance_Products.webp?v=1787086094"},{"product_id":"riagev-sr-90-tablets-endurance-products","title":"RiaGev-SR 90 Tablets by Endurance Products","description":"\u003cp\u003e\u003cstrong\u003eRiaGev-SR 90 Tablets by Endurance Products\u003c\/strong\u003e delivers a sustained-release combination of D-Ribose and Niacinamide (Vitamin B3) designed to support cellular energy metabolism and promote healthy NAD+ levels throughout the day.\u003c\/p\u003e\u003ch2\u003eKey Benefits of RiaGev-SR Ribose and Niacinamide\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCellular Energy Support:\u003c\/strong\u003e D-Ribose promotes the synthesis of ATP, the primary energy currency of the cell, supporting sustained physical and cognitive performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNAD+ Precursor Activity:\u003c\/strong\u003e Niacinamide serves as a direct precursor to NAD+, a coenzyme essential for mitochondrial function and cellular repair processes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSustained-Release Delivery:\u003c\/strong\u003e The SR (sustained-release) tablet matrix supports a gradual, time-controlled release of active ingredients to maintain consistent plasma levels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCardiovascular Function:\u003c\/strong\u003e D-Ribose supports myocardial energy reserves, promoting healthy cardiovascular function and normal cardiac output.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMitochondrial Health:\u003c\/strong\u003e The synergistic combination of ribose and niacinamide supports mitochondrial biogenesis and helps maintain optimal cellular respiration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMuscle Recovery:\u003c\/strong\u003e Supports replenishment of energy substrates in skeletal muscle following physical exertion, promoting normal recovery time.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhy This Formula Matters\u003c\/h2\u003e\u003cp\u003eRiaGev-SR combines two well-researched compounds that work synergistically at the cellular level: D-Ribose provides the structural backbone for ATP and NAD+ synthesis, while Niacinamide directly fuels the NAD+ biosynthesis pathway. The sustained-release format is specifically engineered to optimize bioavailability and maintain steady-state concentrations, avoiding the rapid clearance associated with standard immediate-release formulations. Endurance Products Company has applied over five decades of sustained-release tablet manufacturing expertise to this formulation.\u003c\/p\u003e\u003ch2\u003eDietary and Quality Standards\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSustained-Release Tablet Technology\u003c\/li\u003e\n\u003cli\u003eNo Artificial Colors or Flavors\u003c\/li\u003e\n\u003cli\u003eManufactured in a GMP-Certified Facility\u003c\/li\u003e\n\u003cli\u003eThird-Party Tested for Purity and Potency\u003c\/li\u003e\n\u003cli\u003eFree from Common Allergens (consult label for full allergen information)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eWhat is RiaGev-SR and how does it work?\u003c\/h3\u003e\u003cp\u003eRiaGev-SR is a sustained-release tablet combining D-Ribose and Niacinamide. D-Ribose supports ATP synthesis at the cellular level, while Niacinamide promotes NAD+ production. Together, they support mitochondrial energy metabolism and healthy cellular function over an extended release period.\u003c\/p\u003e\u003ch3\u003eWho may benefit from taking RiaGev-SR?\u003c\/h3\u003e\u003cp\u003eRiaGev-SR is formulated for adults seeking to support cellular energy levels, mitochondrial health, and normal cardiovascular function. It is commonly used by individuals with active lifestyles or those looking to maintain healthy energy metabolism as part of a wellness routine.\u003c\/p\u003e\u003ch3\u003eWhat is the recommended serving for RiaGev-SR 90 Tablets?\u003c\/h3\u003e\u003cp\u003eServing recommendations are provided on the product label. 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The SmartMatrix sustained-release technology is engineered to release the active compound gradually over 5 to 7 hours, avoiding the gastrointestinal discomfort associated with high-dose immediate-release magnesium supplements while maintaining steady-state tissue concentrations. 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Unlike standard magnesium oxide or citrate supplements, this form is specifically designed to support neurological bioavailability. The sustained-release SmartMatrix tablet releases the active compound over 5 to 7 hours, supporting consistent magnesium levels and reducing the likelihood of gastrointestinal discomfort common with immediate-release formats.\u003c\/p\u003e\u003ch3\u003eHow much magnesium does each tablet of TauroMag SR provide?\u003c\/h3\u003e\u003cp\u003eEach tablet provides 375 mg of Magnesium N-Acetyltaurinate, which yields 24 mg of elemental magnesium per serving. The suggested use is one tablet taken twice daily with a meal, or as directed by a healthcare practitioner.\u003c\/p\u003e\u003ch3\u003eWho may benefit from TauroMag SR 375mg?\u003c\/h3\u003e\u003cp\u003eTauroMag SR is formulated for adults seeking to support brain health, cognitive function, positive mood, and healthy magnesium status. It is particularly relevant for individuals whose dietary intake of magnesium may be insufficient or who are looking for a brain-targeted magnesium supplement with sustained delivery.\u003c\/p\u003e\u003ch3\u003eAre there any allergens or artificial ingredients in TauroMag SR?\u003c\/h3\u003e\u003cp\u003eTauroMag SR contains no salt, sugar, starch, preservatives, artificial colors, or artificial flavorings. Excipients are vegetable-sourced. Consult the product label for a complete ingredient list and allergen information.\u003c\/p\u003e\u003ch3\u003eShould I consult a healthcare provider before taking TauroMag SR?\u003c\/h3\u003e\u003cp\u003eConsulting a qualified healthcare professional prior to use is recommended, particularly if you have or suspect a medical condition, are taking prescription medications, or are pregnant or nursing. This product is a dietary supplement and is not intended to diagnose, treat, cure, or prevent any disease.\u003c\/p\u003e","brand":"Endurance Products","offers":[{"title":"Default Title","offer_id":53947940405432,"sku":"EP1012","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0217\/3199\/9816\/files\/TauroMag_SR_375mg_90_Tablets_by_Endurance_Products.webp?v=1787148676"},{"product_id":"taxifolin-complex-sr-60-tablets-endurance-products","title":"Taxifolin Complex SR 60 Tablets by Endurance Products","description":"\u003cp\u003e\u003cstrong\u003eTaxifolin Complex SR 60 Tablets by Endurance Products\u003c\/strong\u003e delivers a sustained-release combination of Lavitol Dihydroquercetin (Taxifolin), Vitamin C, and Zinc to support antioxidant defense, immune function, and healthy inflammatory response throughout the day.\u003c\/p\u003e\u003ch2\u003eKey Benefits of Taxifolin Complex SR Antioxidant and Immune Support Ingredients\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAntioxidant Defense:\u003c\/strong\u003e Taxifolin (Dihydroquercetin) is a potent bioflavonoid that supports the body's natural antioxidant systems, helping to neutralize free radicals and maintain cellular integrity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImmune System Support:\u003c\/strong\u003e The combination of Taxifolin, Vitamin C, and Zinc provides complementary support for healthy immune function, promoting normal immune cell activity and response.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHealthy Inflammatory Response:\u003c\/strong\u003e Taxifolin supports the body's normal inflammatory signaling pathways, promoting a balanced inflammatory response at the cellular level.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVitamin C Synergy:\u003c\/strong\u003e Vitamin C works in concert with Taxifolin to support collagen synthesis, enhance antioxidant recycling, and promote connective tissue integrity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZinc for Immune and Cellular Health:\u003c\/strong\u003e Zinc is an essential trace mineral that supports normal immune cell development, DNA synthesis, and antioxidant enzyme activity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCardiovascular Function:\u003c\/strong\u003e Taxifolin supports healthy endothelial function and normal vascular tone, contributing to overall cardiovascular function and circulatory health.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSustained-Release Delivery:\u003c\/strong\u003e The sustained-release tablet matrix supports a gradual, time-controlled release of active ingredients, promoting consistent plasma levels and extended antioxidant coverage throughout the day.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCollagen and Connective Tissue Support:\u003c\/strong\u003e The Vitamin C and Taxifolin combination supports normal collagen biosynthesis, promoting healthy skin, joint, and connective tissue structure.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhy This Formula Matters\u003c\/h2\u003e\u003cp\u003eTaxifolin Complex SR combines Lavitol Dihydroquercetin, a pharmaceutical-grade Taxifolin sourced from Siberian larch, with Vitamin C and Zinc in a sustained-release format that optimizes the bioavailability and duration of action of each ingredient. Taxifolin and Vitamin C share complementary antioxidant mechanisms: Vitamin C regenerates oxidized Taxifolin, extending its functional activity, while Zinc anchors the formula's immune support through its role as a cofactor in superoxide dismutase and other antioxidant enzymes. Endurance Products Company applies its sustained-release SmartMatrix tablet technology to deliver this synergistic complex over an extended period, supporting consistent antioxidant and immune defense throughout the day.\u003c\/p\u003e\u003ch2\u003eDietary and Quality Standards\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFeatures Lavitol Dihydroquercetin, a Pharmaceutical-Grade Taxifolin\u003c\/li\u003e\n\u003cli\u003eSustained-Release Tablet Technology for Extended Antioxidant Coverage\u003c\/li\u003e\n\u003cli\u003eNo Artificial Colors or Flavorings\u003c\/li\u003e\n\u003cli\u003eNo Preservatives\u003c\/li\u003e\n\u003cli\u003eManufactured in a GMP-Compliant Facility\u003c\/li\u003e\n\u003cli\u003eThird-Party Tested for Purity and Potency\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eWhat is Taxifolin and why is it used in this formula?\u003c\/h3\u003e\u003cp\u003eTaxifolin, also known as Dihydroquercetin, is a bioflavonoid antioxidant derived from Siberian larch wood. Lavitol is a pharmaceutical-grade, standardized form of Taxifolin with well-documented antioxidant properties. In this formula, it serves as the primary antioxidant compound, working alongside Vitamin C and Zinc to support immune function and healthy cellular defense.\u003c\/p\u003e\u003ch3\u003eHow does the sustained-release format benefit Taxifolin Complex SR?\u003c\/h3\u003e\u003cp\u003eThe sustained-release tablet matrix releases the active ingredients gradually over several hours, supporting more consistent plasma concentrations compared to immediate-release formats. This extended delivery helps maintain antioxidant coverage throughout the day and may reduce the peak-and-trough fluctuations associated with single-dose immediate-release supplements.\u003c\/p\u003e\u003ch3\u003eWho may benefit from taking Taxifolin Complex SR?\u003c\/h3\u003e\u003cp\u003eTaxifolin Complex SR is formulated for adults seeking to support antioxidant defense, immune function, and healthy inflammatory response. It may be particularly relevant for individuals with increased oxidative stress, those looking to support cardiovascular function, or anyone seeking a sustained-release antioxidant supplement with complementary immune-supporting nutrients.\u003c\/p\u003e\u003ch3\u003eWhat is the recommended serving for Taxifolin Complex SR 60 Tablets?\u003c\/h3\u003e\u003cp\u003eServing recommendations are provided on the product label. Consult your healthcare practitioner for personalized guidance, particularly if you are managing a health condition or taking prescription medications.\u003c\/p\u003e\u003ch3\u003eIs Taxifolin Complex SR suitable for long-term use?\u003c\/h3\u003e\u003cp\u003eTaxifolin, Vitamin C, and Zinc are well-tolerated nutrients with established safety profiles at commonly used dietary supplement levels. As with any dietary supplement, long-term use should be discussed with a qualified healthcare provider to ensure it aligns with your individual health goals and current medication regimen.\u003c\/p\u003e","brand":"Endurance Products","offers":[{"title":"Default Title","offer_id":53947970650296,"sku":"EP1013","price":65.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0217\/3199\/9816\/files\/Taxifolin_Complex_SR_60_Tablets_by_Endurance_Products.webp?v=1787150227"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0217\/3199\/9816\/collections\/Endurance_Products_logo.webp?v=1788901221","url":"https:\/\/blueskyvitamin.com\/collections\/endurance-products.oembed","provider":"Blue Sky Vitamin","version":"1.0","type":"link"}