{"title":"L-Arginine","description":"\u003cp\u003eL-arginine is an amino acid your body uses to make nitric oxide, a molecule that helps blood vessels relax and widen. That is why arginine is popular for healthy circulation, exercise performance and healthy blood flow. Arginine also supports protein synthesis and immune function.\u003c\/p\u003e\n\u003cp\u003eThis collection includes L-arginine capsules and tablets, sustained-release arginine, arginine powder and arginine with citrulline from practitioner brands such as Thorne, Pure Encapsulations, Jarrow, Metagenics, Douglas Labs, Protocol for Life Balance, Endurance Products and NOW.\u003c\/p\u003e\n\u003ch2\u003eHow to Choose an L-Arginine Supplement\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSustained release:\u003c\/strong\u003e Releases arginine gradually for steadier levels. L-Arginine (Sustained Release) by Thorne is our top seller.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard capsules:\u003c\/strong\u003e L-Arginine 700 mg by Pure Encapsulations is a popular pick.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArginine with citrulline:\u003c\/strong\u003e Citrulline converts to arginine in the body and helps keep arginine levels up longer. Arginine-Citrulline Sustain by Jarrow is an example.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePowder:\u003c\/strong\u003e Makes larger amounts easier and costs less per gram.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMost people take \u003cstrong\u003e2 to 6 grams a day\u003c\/strong\u003e, often split into doses. \u003cstrong\u003eDo not combine arginine with nitrate or PDE5 inhibitor medications\u003c\/strong\u003e, and talk with your practitioner first if you take blood pressure medication. See also \u003ca href=\"\/collections\/cardiovascular-support\"\u003eheart health\u003c\/a\u003e and \u003ca href=\"\/collections\/sports-fitness-nutrition\"\u003esports nutrition\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat does L-arginine do?\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eL-arginine helps your body make nitric oxide, which supports healthy circulation and blood flow.\u003c\/strong\u003e It also supports protein synthesis and immune function.\u003c\/p\u003e\n\u003ch3\u003eWhat is the difference between arginine and citrulline?\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCitrulline is converted into arginine in the body.\u003c\/strong\u003e Many formulas combine them for longer-lasting support.\u003c\/p\u003e\n\u003ch3\u003eHow much L-arginine should I take?\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eMost people take 2 to 6 grams per day.\u003c\/strong\u003e Follow the label or your practitioner's advice.\u003c\/p\u003e\n\u003ch3\u003eIs L-arginine good for workouts?\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eMany athletes use it to support blood flow and exercise performance.\u003c\/strong\u003e It is often taken before training.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRelated categories:\u003c\/strong\u003e \u003ca href=\"\/collections\/cardiovascular-support\"\u003eCardiovascular Support\u003c\/a\u003e | \u003ca href=\"\/collections\/sports-fitness-nutrition\"\u003eSports \u0026amp; Fitness Nutrition\u003c\/a\u003e | \u003ca href=\"\/collections\/amino-acids\"\u003eAmino Acids\u003c\/a\u003e | \u003ca href=\"\/collections\/mens-health\"\u003eMen's Health\u003c\/a\u003e | \u003ca href=\"\/collections\/energy-supplements\"\u003eEnergy \u0026amp; Stamina\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e*These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any disease.\u003c\/em\u003e\u003c\/p\u003e","products":[{"product_id":"l-arginine-700-mg-100-caps-douglas-labs","title":"L-Arginine 700 mg 100 caps by Douglas Labs","description":"\u003cp\u003eDouglas Labs L-Arginine provides 700 mg of L-arginine, an amino acid used to build proteins and to make nitric oxide.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSupports healthy heart function*\u003c\/li\u003e\n\u003cli\u003eSupports healthy circulation*\u003c\/li\u003e\n\u003cli\u003eSupports energy supply to the muscles*\u003c\/li\u003e\n\u003cli\u003e100 capsules\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eConsult your healthcare provider before use, especially if you are pregnant, nursing, taking medication, or have a medical condition.\u003c\/em\u003e\u003c\/p\u003e\u003cp\u003e\u003csmall\u003e*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.\u003c\/small\u003e\u003c\/p\u003e","brand":"Douglas Labs","offers":[{"title":"Default Title","offer_id":29307715518536,"sku":"DL03044","price":31.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0217\/3199\/9816\/products\/douglas-labs-l-arginine-700-mg-100-capsules-front.jpg?v=1790712195"},{"product_id":"l-arginine-1000-mg-120-tabs-now","title":"L-Arginine 1000 mg 120 tablets by NOW","description":"\u003cp\u003e\u003cspan\u003eL-Arginine 1000 mg by NOW is a dietary supplement designed to support healthy cardiovascular function as well as promote optimal immune system function. The main active ingredient in L-Arginine 1000 mg from NOW is the conditionally basic essential amino acid Arginine, necessary for healthy DNA synthesis as well as urea metabolism and excretion. This amino acid causes the creation of nitric oxide, vital for good circulatory function. This is an ideal supplement for individuals experiencing issues with circulation and blood flow.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMen and women who take L-Arginine 1000 mg by NOW on a regular basis as part of their daily dietary routine can expect to experience a number of valuable health benefits: \u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSupports healthy cardiovascular function.\u003c\/li\u003e\n\u003cli\u003ePromotes increased circulation and blood flow.\u003c\/li\u003e\n\u003cli\u003ePromotes optimal functioning of the immune system.\u003c\/li\u003e\n\u003cli\u003eSpeeds up wound healing.\u003c\/li\u003e\n\u003cli\u003eAids in the removal of ammonia in the system.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat does L-Arginine support?\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHealthy cardiovascular function and circulation.\u003c\/strong\u003e It is the conditionally essential amino acid that triggers nitric oxide production, which is vital for good circulatory function.\u003c\/p\u003e\n\u003ch3\u003eWhat role does arginine play in the body?\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIt supports DNA synthesis and helps with urea metabolism and excretion.\u003c\/strong\u003e It also aids in removing ammonia from the system.\u003c\/p\u003e\n\u003ch3\u003eDoes L-Arginine support immune health?\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eYes, it promotes optimal immune system function.\u003c\/strong\u003e This is one of the core benefits noted for regular use as part of a daily dietary routine.\u003c\/p\u003e\n\u003ch3\u003eWho is this supplement designed for?\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIndividuals wanting to support healthy circulation and blood flow.\u003c\/strong\u003e It's intended for men and women taking it as part of their daily routine.\u003c\/p\u003e\n\u003ch3\u003eWhat other benefit is associated with L-Arginine?\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIt may help support the body's natural wound-healing process.\u003c\/strong\u003e This is listed alongside its cardiovascular and immune benefits.\u003c\/p\u003e","brand":"Now","offers":[{"title":"Default Title","offer_id":29343465406536,"sku":"NOW10043","price":23.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0217\/3199\/9816\/products\/now-l-arginine-1000-mg-120-tablets-front.jpg?v=1790697271"},{"product_id":"l-arginine-powder-1-lb-now","title":"L-Arginine Powder 1 lb by NOW","description":"\u003cp\u003eL-Arginine Powder by NOW provides pure L-arginine, a conditionally essential amino acid, in an easy-to-mix powder.*\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSupports nitric oxide production and healthy circulation*\u003c\/li\u003e\n\u003cli\u003eSupports the body's normal processing of ammonia through the urea cycle*\u003c\/li\u003e\n\u003cli\u003eSupports exercise performance*\u003c\/li\u003e\n\u003cli\u003eMixes easily with any liquid\u003c\/li\u003e\n\u003cli\u003e1 lb powder\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eConsult your healthcare provider before use, especially if you are pregnant, nursing, taking medication, or have a medical condition.\u003c\/em\u003e\u003c\/p\u003e\u003cp\u003e\u003csmall\u003e*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.\u003c\/small\u003e\u003c\/p\u003e","brand":"Now","offers":[{"title":"Default Title","offer_id":29343517048904,"sku":"NOW10204","price":31.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0217\/3199\/9816\/files\/now-l-arginine-powder-1-lb-front.png?v=1790697434"},{"product_id":"l-arginine-700-mg-pure-encapsulations","title":"L-Arginine 700 mg by Pure Encapsulations","description":"\u003cp\u003eL-Arginine 700 mg by Pure Encapsulations provides L-arginine, an amino acid the body uses to make nitric oxide, which helps blood vessels relax for healthy blood flow.*\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eProvides 700 mg of L-arginine per serving\u003c\/li\u003e\n\u003cli\u003eSupports nitric oxide production and healthy circulation*\u003c\/li\u003e\n\u003cli\u003eSupports healthy blood vessel function*\u003c\/li\u003e\n\u003cli\u003eSupports exercise performance*\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eConsult your healthcare provider before use, especially if you are pregnant, nursing, taking medication, or have a medical condition.\u003c\/em\u003e\u003c\/p\u003e\u003cp\u003e\u003csmall\u003e*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.\u003c\/small\u003e\u003c\/p\u003e","brand":"Pure Encapsulations","offers":[{"title":"90 Capsules","offer_id":42533126537400,"sku":"PE11955","price":29.0,"currency_code":"USD","in_stock":true},{"title":"180 Capsules","offer_id":42533126570168,"sku":"PE11858","price":49.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0217\/3199\/9816\/files\/pure-encapsulations-l-arginine-700-mg-90-capsules-front.jpg?v=1791507954"},{"product_id":"l-arginine-sustained-release-120-capsules-thorne-research","title":"L-Arginine (Sustained Release) 1000 mg 120 Capsules by Thorne Research","description":"\u003cp\u003e\u003cem\u003e\u003cstrong\u003eFormerly Perfusia-SR\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eThorne L-Arginine (Sustained Release) is a professional and reliable health supplement which is able to offer an amino acid L-arginine in a sustained-release formulation. L-arginine supplementation can help with improving nitric oxide production by vascular endothelial cells. This increases vasodilation while inhibiting monocyte and platelet adhesiveness. This results in support for healthy circulation and cardiovascular health.\u003c\/p\u003e\n\u003cp\u003eL-Arginine (Sustained Release) by Thorne is able to be used twice a day and because of its sustained and unique release method it can easily help to improve blood levels over a long period of time. This formula is hypoallergenic which means it is perfect for sensitive stomachs and features a vegetarian capsule.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat does L-Arginine (Sustained Release) do?\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eSupports nitric oxide production.\u003c\/strong\u003e L-arginine supplementation can help improve nitric oxide production by vascular endothelial cells, which increases vasodilation while inhibiting monocyte and platelet adhesiveness.\u003c\/p\u003e\n\u003ch3\u003eWhat are the resulting benefits of this formula?\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eSupport for healthy circulation and cardiovascular health.\u003c\/strong\u003e This is the result of the increased vasodilation this formula supports.\u003c\/p\u003e\n\u003ch3\u003eHow often should this supplement be taken?\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eTwice a day.\u003c\/strong\u003e L-Arginine (Sustained Release) is able to be used twice daily.\u003c\/p\u003e\n\u003ch3\u003eWhat makes the sustained release method different?\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIt helps maintain blood levels over time.\u003c\/strong\u003e Because of its sustained and unique release method, it can easily help improve blood levels over a longer period of time compared to a standard release formula.\u003c\/p\u003e\n\u003ch3\u003eWhat form does this supplement come in?\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eVegetarian capsules.\u003c\/strong\u003e L-Arginine (Sustained Release) comes in a 120 capsule bottle at 1000 mg.\u003c\/p\u003e\n\u003ch3\u003eIs this formula suitable for sensitive stomachs?\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eYes.\u003c\/strong\u003e This formula is hypoallergenic, making it perfect for sensitive stomachs.\u003c\/p\u003e","brand":"Thorne Research","offers":[{"title":"Default Title","offer_id":29360409870408,"sku":"TR0233","price":44.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0217\/3199\/9816\/files\/thorne-l-arginine-sustained-release-1000-mg-120-capsules-front.jpg?v=1790649619"},{"product_id":"arginine-citrulline-120-caps-now","title":"Arginine \u0026 Citrulline 120 caps by NOW","description":"\u003cp\u003e\u003cspan\u003eArginine \u0026amp; Citrulline from NOW is a dietary supplement designed to support healthy protein metabolism and the maintenance of healthy muscle tissue. NOW combines two amino acids in its formula for Arginine \u0026amp; Citrulline that are essential to the protein metabolism process and the proper utilization of protein in maintaining lean muscle tissue. Arginine and citrulline play an important role in the urea cycle, detoxifying ammonia from the body as urea is produced. This is an excellent supplement choice for athletes, as it increases nitric oxide levels in the blood, helping dilate blood vessels and improve blood circulation to all major organis of the body.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIndividuals who take Arginine \u0026amp; Citrulline by NOW on a daily basis as directed can expect to receive several important health benefits:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSupports healthy metabolism of protein.\u003c\/li\u003e\n\u003cli\u003eContributes to urea production and ammonia detoxification.\u003c\/li\u003e\n\u003cli\u003ePromotes the maintenance of lean, healthy muscle tissue.\u003c\/li\u003e\n\u003cli\u003eImproves circulation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eWhat amino acids are in Arginine \u0026amp; Citrulline?\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eArginine and citrulline.\u003c\/strong\u003e NOW combines these two amino acids, essential to protein metabolism and lean muscle maintenance.\u003c\/p\u003e\u003ch3\u003eHow do arginine and citrulline work in the body?\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eThey play a role in the urea cycle.\u003c\/strong\u003e Both amino acids help detoxify ammonia from the body as urea is produced.\u003c\/p\u003e\u003ch3\u003eIs this supplement good for athletes?\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eYes, it's an excellent choice for athletes.\u003c\/strong\u003e It increases nitric oxide levels in the blood, helping dilate blood vessels and improve circulation to major organs.\u003c\/p\u003e\u003ch3\u003eWhat benefits does daily use support?\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eProtein metabolism and muscle maintenance.\u003c\/strong\u003e Taken daily as directed, it supports healthy protein metabolism, contributes to urea production and ammonia detoxification, promotes lean, healthy muscle tissue, and improves circulation.\u003c\/p\u003e","brand":"Now","offers":[{"title":"Default Title","offer_id":29360640622664,"sku":"NOW10430","price":21.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0217\/3199\/9816\/products\/now-arginine-citrulline-120-capsules-front.jpg?v=1790698373"},{"product_id":"protocol-for-life-balance-l-arginine-1000-mg-120-tablets","title":"L-Arginine 1000 mg 120 tablets by Protocol for Life Balance","description":"\u003cp\u003eL-Arginine 1,000 mg by Protocol For Life Balance contains arginine. Arginine is a conditionally essential basic amino acid involved primarily in urea metabolism and excretion, as well as in DNA synthesis and protein production. It is an important precursor of nitric oxide and thus plays a role in the dilation of blood vessels. L-Arginine 1000 mg by Protocol For Life Balance is made up of natural formula including l-arginine (from l-arginine HCI).\u003c\/p\u003e\n\u003cp\u003eThis supplement does not contain wheat, gluten, soy, milk, egg, fish, or shellfish ingredients. This product contains ingredients like: hydroxypropyl cellulose, microcrystalline cellulose, vegetarian coating hypromellose (cellulose), calcium carbonate, MCT oil (medium-chain triglycerides) (from coconut\/palm kernel oil), xylitol, stearic acid (vegetable source), croscarmellose Sodium, and Silicon Dioxide.\u003c\/p\u003e\n\u003cp\u003eL-Arginine 1,000 mg by Protocol For Life Balance has the following features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRich in protein\u003c\/li\u003e\n\u003cli\u003eIt repairs worn-out body tissues\u003c\/li\u003e\n\u003cli\u003eSupports healthy dilation of blood vessels\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eWhat is L-Arginine 1,000 mg by Protocol For Life Balance?\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIt contains arginine, a conditionally essential basic amino acid.\u003c\/strong\u003e It is made up of a natural formula including l-arginine, from l-arginine HCI.\u003c\/p\u003e\u003ch3\u003eWhat role does arginine play in the body?\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIt is involved primarily in urea metabolism and excretion, as well as DNA synthesis and protein production.\u003c\/strong\u003e It is also an important precursor of nitric oxide.\u003c\/p\u003e\u003ch3\u003eHow does it support blood vessels?\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIt supports healthy dilation of blood vessels.\u003c\/strong\u003e This is connected to arginine's role as a precursor of nitric oxide, which plays a part in the dilation of blood vessels.\u003c\/p\u003e\u003ch3\u003eIs this product free of common allergens?\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eYes, it does not contain wheat, gluten, soy, milk, egg, fish, or shellfish ingredients.\u003c\/strong\u003e This applies to the L-Arginine 1,000 mg formula by Protocol For Life Balance.\u003c\/p\u003e\u003ch3\u003eWhat other ingredients are in this product?\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIngredients such as hydroxypropyl cellulose, microcrystalline cellulose, and calcium carbonate.\u003c\/strong\u003e The formula also includes MCT oil (from coconut\/palm kernel oil), xylitol, stearic acid, croscarmellose sodium, and silicon dioxide.\u003c\/p\u003e","brand":"Protocol For Life Balance","offers":[{"title":"Default Title","offer_id":35430234751048,"sku":"PLB11424","price":32.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0217\/3199\/9816\/products\/protocol-for-life-balance-l-arginine-1000-mg-120-tablets-front.png?v=1791559191"},{"product_id":"jarrow-formulas-arginine-citrulline-sustain-120-tablets","title":"Arginine-Citrulline Sustain 120 tablets by Jarrow Formulas","description":"\u003cp\u003eJarrow Formulas Arginine-Citrulline Sustain combines L-arginine and L-citrulline in a sustained-release tablet. The body converts citrulline into arginine, and together they support steady nitric oxide production.*\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e500 mg L-arginine per 2 tablets\u003c\/li\u003e\n\u003cli\u003e500 mg L-citrulline per 2 tablets\u003c\/li\u003e\n\u003cli\u003e10 mg vitamin C (as calcium ascorbate) per 2 tablets\u003c\/li\u003e\n\u003cli\u003eSustained-release tablet\u003c\/li\u003e\n\u003cli\u003eVegan, non-GMO, gluten-free\u003c\/li\u003e\n\u003cli\u003e120 tablets (60 servings)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eHow do I take it?\u003c\/h3\u003e\u003cp\u003eTake 2 tablets 1 to 2 times a day on an empty stomach before meals, or as directed by your healthcare professional.\u003c\/p\u003e\u003ch3\u003eCan I split the tablets?\u003c\/h3\u003e\u003cp\u003eSwallow them whole so the sustained-release layer works as designed.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eConsult your healthcare provider before use, especially if you are pregnant, nursing, taking medication, or have a medical condition.\u003c\/em\u003e\u003c\/p\u003e\u003cp\u003e\u003csmall\u003e*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.\u003c\/small\u003e\u003c\/p\u003e","brand":"Jarrow Formulas","offers":[{"title":"Default Title","offer_id":36446465327176,"sku":"JF06865","price":32.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0217\/3199\/9816\/files\/jarrow-formulas-arginine-citrulline-sustain-120-tablets-front.png?v=1790790622"},{"product_id":"l-arginine-high-2-oz-by-professional-formulas","title":"L-Arginine High 2 oz by Professional Formulas","description":"\u003cp\u003eIf you’re looking to support overall wellness, L-Arginine High 2 oz by Professional Formulas is designed to fit into a practitioner-informed wellness routine. This Professional Formulas product provides targeted nutritional support for consistent daily use.\u003c\/p\u003e\n\n\u003ch2\u003eKey Benefits \u0026amp; Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTargeted Support:\u003c\/strong\u003e Helps maintain balance in key areas of everyday wellness.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficient Delivery:\u003c\/strong\u003e Designed for effective absorption and utilization.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional Quality Standards:\u003c\/strong\u003e Manufactured with attention to purity and consistency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean Formula:\u003c\/strong\u003e Free from gluten and common allergens.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Choose Professional Formulas?\u003c\/h3\u003e\n\u003cp\u003eSince 1984, Professional Formulas has been a trusted provider of practitioner-grade nutritional solutions designed to support the body’s natural balance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eExpertise You Can Trust:\u003c\/strong\u003e Blue Sky Vitamin’s product standards are guided by Dr. Ron Ledoux, DC, CCN, bringing a practitioner-level perspective rooted in chiropractic care and clinical nutrition.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eIs L-Arginine High 2 oz by Professional Formulas gluten-free?\u003c\/strong\u003e\u003cbr\u003e\nYes, this formula is strictly gluten-free and manufactured in a facility that avoids common allergens.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow long does one bottle last?\u003c\/strong\u003e\u003cbr\u003e\nAt the recommended dosage listed on the product label, one bottle typically provides a 30–60 day supply depending on usage.\u003c\/p\u003e","brand":"Professional Formulas","offers":[{"title":"Default Title","offer_id":48308530348216,"sku":"PRF1445","price":25.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0217\/3199\/9816\/files\/professional-formulas-l-arginine-high-2-oz-front.jpg?v=1790693734"},{"product_id":"l-arginine-2-oz-by-professional-formulas","title":"L-Arginine 2 oz by Professional Formulas","description":"\u003cp\u003eIf you’re looking to support overall wellness, L-Arginine 2 oz by Professional Formulas is designed to fit into a practitioner-informed wellness routine. This Professional Formulas product provides targeted nutritional support for consistent daily use.\u003c\/p\u003e\n\n\u003ch2\u003eKey Benefits \u0026amp; Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTargeted Support:\u003c\/strong\u003e Helps maintain balance in key areas of everyday wellness.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficient Delivery:\u003c\/strong\u003e Designed for effective absorption and utilization.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional Quality Standards:\u003c\/strong\u003e Manufactured with attention to purity and consistency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean Formula:\u003c\/strong\u003e Free from gluten and common allergens.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Choose Professional Formulas?\u003c\/h3\u003e\n\u003cp\u003eSince 1984, Professional Formulas has been a trusted provider of practitioner-grade nutritional solutions designed to support the body’s natural balance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eExpertise You Can Trust:\u003c\/strong\u003e Blue Sky Vitamin’s product standards are guided by Dr. Ron Ledoux, DC, CCN, bringing a practitioner-level perspective rooted in chiropractic care and clinical nutrition.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eIs L-Arginine 2 oz by Professional Formulas gluten-free?\u003c\/strong\u003e\u003cbr\u003e\nYes, this formula is strictly gluten-free and manufactured in a facility that avoids common allergens.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow long does one bottle last?\u003c\/strong\u003e\u003cbr\u003e\nAt the recommended dosage listed on the product label, one bottle typically provides a 30–60 day supply depending on usage.\u003c\/p\u003e","brand":"Professional Formulas","offers":[{"title":"Default Title","offer_id":48308541489336,"sku":"PRF1446","price":21.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0217\/3199\/9816\/files\/professional-formulas-l-arginine-2-oz-front.jpg?v=1790693734"},{"product_id":"arginine-plus-120-tablets-metagenics","title":"Arginine Plus 120 tablets by Metagenics","description":"\u003cdiv class=\"OutlineElement Ltr SCXW76077254 BCX0\"\u003e\n\u003ch2 class=\"Paragraph SCXW76077254 BCX0\" role=\"heading\" aria-level=\"2\" lang=\"EN-US\"\u003e\n\u003cspan data-contrast=\"none\" lang=\"EN-US\" class=\"TextRun SCXW76077254 BCX0\"\u003e\u003cspan class=\"NormalTextRun SCXW76077254 BCX0\" data-ccp-parastyle=\"heading 2\"\u003eArginine Plus | 120 Tablets\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"EOP SCXW76077254 BCX0\" data-ccp-props='{\"134233117\":false,\"134233118\":false,\"134245418\":true,\"134245529\":true,\"335551550\":0,\"335551620\":0,\"335559738\":299,\"335559739\":299}'\u003e by \u003cspan data-contrast=\"none\" lang=\"EN-US\" class=\"TextRun SCXW76077254 BCX0\"\u003e\u003cspan class=\"NormalTextRun SCXW76077254 BCX0\" data-ccp-parastyle=\"heading 2\"\u003eMetagenics \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"OutlineElement Ltr SCXW76077254 BCX0\"\u003e\n\u003cp class=\"Paragraph SCXW76077254 BCX0\" lang=\"EN-US\"\u003e\u003cspan data-contrast=\"auto\" lang=\"EN-US\" class=\"TextRun SCXW76077254 BCX0\"\u003e\u003cspan class=\"NormalTextRun SCXW76077254 BCX0\"\u003eArginine Plus\u003c\/span\u003e\u003c\/span\u003e\u003cspan data-contrast=\"auto\" lang=\"EN-US\" class=\"TextRun SCXW76077254 BCX0\"\u003e\u003cspan class=\"NormalTextRun SCXW76077254 BCX0\"\u003e\u003cspan\u003e \u003c\/span\u003eby Metagenics is a specialized formula designed to provide a concentrated source of L-arginine combined with L-glycine. This professional-grade supplement offers a high-quality approach to amino acid intake in a convenient tablet format.\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"EOP SCXW76077254 BCX0\" data-ccp-props='{\"134233117\":false,\"134233118\":false,\"335551550\":0,\"335551620\":0,\"335559738\":240,\"335559739\":240}'\u003e \u003c\/span\u003e\u003cspan data-contrast=\"none\" lang=\"EN-US\" class=\"TextRun SCXW76077254 BCX0\"\u003e\u003cspan class=\"NormalTextRun SCXW76077254 BCX0\" data-ccp-parastyle=\"heading 3\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"OutlineElement Ltr SCXW76077254 BCX0\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"OutlineElement Ltr SCXW76077254 BCX0\"\u003e\n\u003cp class=\"Paragraph SCXW76077254 BCX0\" lang=\"EN-US\"\u003e\u003cspan data-contrast=\"auto\" lang=\"EN-US\" class=\"TextRun SCXW76077254 BCX0\"\u003e\u003cspan class=\"NormalTextRun SCXW76077254 BCX0\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"EOP SCXW76077254 BCX0\" data-ccp-props='{\"335551550\":0,\"335551620\":0}'\u003e \u003c\/span\u003e\u003cspan data-contrast=\"none\" lang=\"EN-US\" class=\"TextRun SCXW76077254 BCX0\"\u003e\u003cspan class=\"NormalTextRun SCXW76077254 BCX0\" data-ccp-parastyle=\"heading 3\"\u003eKey Product Features\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"EOP SCXW76077254 BCX0\" data-ccp-props='{\"134233117\":false,\"134233118\":false,\"134245418\":true,\"134245529\":true,\"335551550\":0,\"335551620\":0,\"335559738\":281,\"335559739\":281}'\u003e \u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ListContainerWrapper SCXW76077254 BCX0\"\u003e\n\u003cul class=\"BulletListStyle1 SCXW76077254 BCX0\" role=\"list\"\u003e\n\u003cli aria-setsize=\"-1\" data-leveltext=\"\" data-font=\"Symbol\" data-listid=\"31\" 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SCXW76077254 BCX0\"\u003e\u003cspan class=\"NormalTextRun SCXW76077254 BCX0\"\u003eL-arginine hydrochloride\u003c\/span\u003e\u003c\/span\u003e\u003cspan data-contrast=\"auto\" lang=\"EN-US\" class=\"TextRun SCXW76077254 BCX0\"\u003e\u003cspan class=\"NormalTextRun SCXW76077254 BCX0\"\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan data-contrast=\"auto\" lang=\"EN-US\" class=\"TextRun SCXW76077254 BCX0\"\u003e\u003cspan class=\"NormalTextRun SCXW76077254 BCX0\"\u003eL-glycine\u003c\/span\u003e\u003c\/span\u003e\u003cspan data-contrast=\"auto\" lang=\"EN-US\" class=\"TextRun SCXW76077254 BCX0\"\u003e\u003cspan class=\"NormalTextRun SCXW76077254 BCX0\"\u003e\u003cspan\u003e \u003c\/span\u003ein a specific ratio.\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"EOP SCXW76077254 BCX0\" 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data-list-defn-props='{\"335552541\":1,\"335559683\":0,\"335559684\":-2,\"335559685\":720,\"335559991\":360,\"469769226\":\"Symbol\",\"469769242\":[8226],\"469777803\":\"left\",\"469777804\":\"\",\"469777815\":\"hybridMultilevel\"}' data-aria-posinset=\"3\" data-aria-level=\"1\" role=\"listitem\" class=\"OutlineElement Ltr SCXW76077254 BCX0\"\u003e\n\u003cp class=\"Paragraph SCXW76077254 BCX0\" lang=\"EN-US\"\u003e\u003cstrong\u003e\u003cspan data-contrast=\"auto\" lang=\"EN-US\" class=\"TextRun SCXW76077254 BCX0\"\u003e\u003cspan class=\"NormalTextRun SCXW76077254 BCX0\"\u003eNon-GMO \u0026amp; Gluten-Free:\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-contrast=\"auto\" lang=\"EN-US\" class=\"TextRun SCXW76077254 BCX0\"\u003e\u003cspan class=\"NormalTextRun SCXW76077254 BCX0\"\u003e\u003cstrong\u003e \u003c\/strong\u003eFormulated to meet the needs of individuals with common dietary sensitivities.\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"EOP SCXW76077254 BCX0\" data-ccp-props='{\"134233117\":false,\"134233118\":false,\"335551550\":0,\"335551620\":0,\"335559738\":240,\"335559739\":240}'\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ListContainerWrapper SCXW76077254 BCX0\"\u003e\n\u003cul class=\"BulletListStyle1 SCXW76077254 BCX0\" role=\"list\"\u003e\n\u003cli aria-setsize=\"-1\" data-leveltext=\"\" data-font=\"Symbol\" data-listid=\"31\" data-list-defn-props='{\"335552541\":1,\"335559683\":0,\"335559684\":-2,\"335559685\":720,\"335559991\":360,\"469769226\":\"Symbol\",\"469769242\":[8226],\"469777803\":\"left\",\"469777804\":\"\",\"469777815\":\"hybridMultilevel\"}' data-aria-posinset=\"4\" data-aria-level=\"1\" role=\"listitem\" class=\"OutlineElement Ltr SCXW76077254 BCX0\"\u003e\n\u003cp class=\"Paragraph SCXW76077254 BCX0\" lang=\"EN-US\"\u003e\u003cstrong\u003e\u003cspan data-contrast=\"auto\" lang=\"EN-US\" class=\"TextRun SCXW76077254 BCX0\"\u003e\u003cspan class=\"NormalTextRun SCXW76077254 BCX0\"\u003eConvenient Serving Size:\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-contrast=\"auto\" lang=\"EN-US\" class=\"TextRun SCXW76077254 BCX0\"\u003e\u003cspan class=\"NormalTextRun SCXW76077254 BCX0\"\u003e\u003cspan\u003e \u003c\/span\u003eEach bottle\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW76077254 BCX0\"\u003econtains\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW76077254 BCX0\"\u003e\u003cspan\u003e \u003c\/span\u003e120 tablets, providing a multi-day supply based on standard use.\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"EOP SCXW76077254 BCX0\" data-ccp-props='{\"134233117\":false,\"134233118\":false,\"335551550\":0,\"335551620\":0,\"335559738\":240,\"335559739\":240}'\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ListContainerWrapper SCXW76077254 BCX0\"\u003e\n\u003cul class=\"BulletListStyle1 SCXW76077254 BCX0\" role=\"list\"\u003e\n\u003cli aria-setsize=\"-1\" data-leveltext=\"\" data-font=\"Symbol\" data-listid=\"31\" data-list-defn-props='{\"335552541\":1,\"335559683\":0,\"335559684\":-2,\"335559685\":720,\"335559991\":360,\"469769226\":\"Symbol\",\"469769242\":[8226],\"469777803\":\"left\",\"469777804\":\"\",\"469777815\":\"hybridMultilevel\"}' data-aria-posinset=\"5\" data-aria-level=\"1\" role=\"listitem\" class=\"OutlineElement Ltr SCXW76077254 BCX0\"\u003e\n\u003cp class=\"Paragraph SCXW76077254 BCX0\" lang=\"EN-US\"\u003e\u003cstrong\u003e\u003cspan data-contrast=\"auto\" lang=\"EN-US\" class=\"TextRun SCXW76077254 BCX0\"\u003e\u003cspan class=\"NormalTextRun SCXW76077254 BCX0\"\u003eHigh Purity Standards:\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-contrast=\"auto\" lang=\"EN-US\" class=\"TextRun SCXW76077254 BCX0\"\u003e\u003cspan class=\"NormalTextRun SCXW76077254 BCX0\"\u003e\u003cstrong\u003e \u003c\/strong\u003eUndergoes comprehensive analytical testing for identity, strength, and composition.\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"EOP SCXW76077254 BCX0\" data-ccp-props='{\"134233117\":false,\"134233118\":false,\"335551550\":0,\"335551620\":0,\"335559738\":240,\"335559739\":240}'\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eWhat is the primary ingredient combination in Arginine Plus?\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIt features a blend of L-arginine hydrochloride and L-glycine in a specific ratio.\u003c\/strong\u003e This amino acid synergy is the core of the formula.\u003c\/p\u003e\u003ch3\u003eHow many tablets are in a bottle?\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEach bottle contains 120 tablets, providing a multi-day supply based on standard use.\u003c\/strong\u003e\u003c\/p\u003e\u003ch3\u003eIs Arginine Plus tested for purity?\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eYes, it undergoes comprehensive analytical testing for identity, strength, and composition.\u003c\/strong\u003e\u003c\/p\u003e\u003ch3\u003eIs Arginine Plus suitable for those with dietary sensitivities?\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eYes, it is Non-GMO and Gluten-Free, formulated to meet the needs of individuals with common dietary sensitivities.\u003c\/strong\u003e\u003c\/p\u003e\u003ch3\u003eWhat form does Arginine Plus come in?\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIt is supplied as tablets, developed by Metagenics for a practitioner-grade approach to amino acid intake.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Metagenics","offers":[{"title":"Default Title","offer_id":51106435137720,"sku":"META1010","price":54.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0217\/3199\/9816\/files\/metagenics-arginine-plus-120-tablets-front.png?v=1790653394"},{"product_id":"l-arginine-plus-180-capsules-thorne-research","title":"L-Arginine Plus 180 capsules by Thorne Research","description":"\u003cp\u003eThorne L-Arginine Plus combines the amino acid L-arginine with antioxidant nutrients for circulation and tissue support.*\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eL-arginine supports healthy blood flow*\u003c\/li\u003e\n\u003cli\u003eAntioxidants support heart health and healthy aging*\u003c\/li\u003e\n\u003cli\u003eSupports collagen formation*\u003c\/li\u003e\n\u003cli\u003e180 capsules\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eConsult your healthcare provider before use, especially if you are pregnant, nursing, taking medication, or have a medical condition.\u003c\/em\u003e\u003c\/p\u003e\u003cp\u003e\u003csmall\u003e*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.\u003c\/small\u003e\u003c\/p\u003e","brand":"Thorne Research","offers":[{"title":"Default Title","offer_id":52243716407480,"sku":"TR0460","price":75.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0217\/3199\/9816\/files\/thorne-l-arginine-plus-180-capsules-front.png?v=1790650003"},{"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\/endurance-products-l-arginine-sr-350-mg-60-tablets-front.webp?v=1791293143"},{"product_id":"magnesium-l-arginine-cream-8-oz-nutrasal","title":"Magnesium L-Arginine Cream 8 oz by Nutrasal","description":"\u003cp\u003e\u003cb\u003eMagnesium L-Arginine Cream\u003c\/b\u003e offers high-absorption topical support designed to promote targeted muscular relaxation and healthy localized circulation. By combining elemental magnesium chloride with L-arginine in a soothing dermal base, this formula bypasses the digestive system for direct application where your body needs it most.\u003c\/p\u003e\n\u003ch2\u003eKey Benefits of Magnesium L-Arginine Cream\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eTargeted Muscle Support:\u003c\/b\u003e Delivers topical magnesium directly to fatigued muscles to support normal neuromuscular function and post-exertion recovery.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eLocalized Circulation:\u003c\/b\u003e Features L-arginine, an amino acid precursor to nitric oxide, which helps promote healthy blood flow to applied areas.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eRapid Dermal Absorption:\u003c\/b\u003e Formulated with magnesium chloride and phosphatidylcholine to ensure optimal transdermal delivery without digestive discomfort.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eSkin Hydration \u0026amp; Integrity:\u003c\/b\u003e Uses a nourishing base of coconut oil and glycerin to maintain skin moisture barrier health during application.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy This Formula Matters\u003c\/h2\u003e\n\u003cp\u003eTraditional oral magnesium and amino acid supplements often face absorption barriers or cause gastrointestinal upset at higher doses. This topical formulation pairs magnesium chloride with L-arginine HCl in a lipid-rich base containing phosphatidylcholine to enhance bioavailability. The synergy between muscular relaxation and nitric oxide-mediated microcirculation delivers efficient, localized care precisely where applied.\u003c\/p\u003e\n\u003ch2\u003eDietary \u0026amp; Quality Standards\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eClean Formulations:\u003c\/b\u003e Free from artificial parabens, synthetic fragrances, and phthalates.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eDietary Friendly:\u003c\/b\u003e Gluten-free and non-GMO.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eTopical Safety:\u003c\/b\u003e Formulated with gentle emulsifiers suitable for daily topical application.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eHow do I apply Magnesium L-Arginine Cream for best results?\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eRecommended application\u003c\/b\u003e involves massaging approximately 1\/2 teaspoon (2.5 grams) onto targeted areas of clean, dry skin, such as the calves, shoulders, or feet, up to three times daily as needed.\u003c\/p\u003e\n\u003ch3\u003eCan I use this product every day?\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eDaily use\u003c\/b\u003e is safe and encouraged for consistent topical support, providing approximately 65 mg of elemental magnesium chloride and 330 mg of L-arginine per 2.5 g serving.\u003c\/p\u003e\n\u003ch3\u003eWhy choose topical magnesium over oral supplements?\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eTransdermal delivery\u003c\/b\u003e allows active compounds to absorb directly through the skin, avoiding degradation in the digestive tract and helping to prevent the laxative effect common with oral magnesium salts.\u003c\/p\u003e","brand":"Nutrasal","offers":[{"title":"Default Title","offer_id":54121553363128,"sku":"NUTR000","price":35.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0217\/3199\/9816\/files\/nutrasal-magnesium-l-arginine-cream-8-oz-front.png?v=1791986124"}],"url":"https:\/\/blueskyvitamin.com\/collections\/l-arginine.oembed","provider":"Blue Sky Vitamin","version":"1.0","type":"link"}