Plain Niacin IR 500mg 100 Tablets by Endurance Products provides nicotinic acid in an immediate-release format that supports normal energy metabolism and promotes healthy cardiovascular function as part of a balanced diet.
Key Benefits of Plain Niacin IR 500mg (Nicotinic Acid)
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Cardiovascular Function Support - Promotes healthy cardiovascular function by supporting normal lipid metabolism as part of a heart-healthy dietary approach.
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Nicotinic Acid Form of Niacin - Delivers niacin as nicotinic acid, the form most studied for its role in supporting normal cholesterol metabolism and cardiovascular wellness.
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Energy Metabolism Support - Niacin (vitamin B3) is an essential cofactor in cellular energy production, supporting normal conversion of carbohydrates, fats, and proteins into usable energy.
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NAD and NADP Coenzyme Support - Niacin is a precursor to NAD and NADP, coenzymes involved in hundreds of metabolic reactions throughout the body.
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Nervous System Maintenance - Maintains normal nervous system function as part of adequate daily B-vitamin intake.
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Immediate-Release Delivery - Formulated as an immediate-release tablet to promote prompt availability of nicotinic acid following ingestion.
Why This Formula Matters
Plain niacin as nicotinic acid is the unmodified, immediate-release form of vitamin B3, distinct from flush-free or extended-release niacin formulations. 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.
Dietary and Quality Standards
- Nicotinic acid form of niacin (vitamin B3)
- Immediate-release tablet format
- No extended-release or flush-free modifications
- Manufactured in a GMP-compliant facility
- Third-party tested for quality and potency
- Free from artificial colors and flavors
- Refer to product label for full allergen and excipient information
Frequently Asked Questions
What is plain niacin and how does it differ from flush-free niacin?
Plain 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.
How does niacin support cardiovascular function?
Niacin 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.
What is the niacin flush and is it harmful?
The 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.
Who may benefit from Plain Niacin IR 500mg?
Adults 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.
How should Plain Niacin IR 500mg tablets be taken?
Follow 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.
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.
Suggested Use:
As a dietary supplement for adults, take one (1) tablet daily with food. Do not exceed one tablet daily without consulting a physician.
Supplement Facts:
Serving size: 1 Tablet
Servings per container: 100
Amount Per Serving:
Niacin (as nicotinic acid) ... 500 mg
Other Ingredients:
Isomalt, vegetable wax (rice bran and/or carnauba), stearic acid (vegetable), magnesium stearate (vegetable), and silica.
Does Not Contain:
Milk, egg, fish, shellfish, soy, peanuts, tree nuts or wheat.
Warnings:
Consult your healthcare professional prior to use if you have or suspect a medical condition, are taking any medications, or are pregnant or nursing. Temporary flushing, itching or warming of the skin may occur. Do not use without the advice of your physician if you consume more than modest amounts of alcohol, have poorly controlled diabetes, liver disease, gout, active peptic ulcer disease, or unstable angina.
