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Source Naturals Niacinamide Vitamin B-3 100mg, 250 Tablets

4.3 out of 5 stars 49 customer reviews
About the product
  • Niacinamide is also known as vitamin B-3
  • Functions in over 50 metabolic reactions, most of which are enzymatic
  • Its bioactive forms NAD+, NADH, NADP, and NADPH play important roles as catalysts in the energy production process in the cells
  • Breakdown of proteins and fatty acids, the synthesis of fatty acids, and the formation of steroid hormones and red blood cells
  • 1 tablet daily, or as recommended by your health care professional

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  • Source Naturals Niacinamide Vitamin B-3 100mg, 250 Tablets
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Total price: $18.65
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Product description

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Vitamin Supplement. Niacinamide, also known as Vitamin B-3, functions in over 50 metabolic reactions, most of which are enzymatic. its bioactive forms - NAD+, NADH, NADP, and NADPH - play important roles as catalysts in the energy production process.


Product details

Package Quantity: 1
  • Product Dimensions: 4.6 x 4.6 x 8.6 inches ; 2.9 ounces
  • Shipping Weight: 3.2 ounces (View shipping rates and policies)
  • Domestic Shipping: Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues.
  • International Shipping: This item is not eligible for international shipping. Learn More
  • ASIN: B00020I7IU
  • UPC: 021078005049
  • Item model number: SN0504
  • Average Customer Review: 4.3 out of 5 stars 49 customer reviews
  • Amazon Best Sellers Rank: #48,960 in Health & Household (See Top 100 in Health & Household)
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Actual product packaging and materials may contain more and different information than what is shown on our website. We recommend that you do not rely solely on the information presented and that you always read labels, warnings, and directions before using or consuming a product. Please see our full disclaimer below.

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Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart
Customer Rating 4 out of 5 stars (49) 4 out of 5 stars (106) 4 out of 5 stars (101) 4 out of 5 stars (181) 4 out of 5 stars (43) 4 out of 5 stars (327)
Price $10.22 $10.22 $7.50 $7.30 $18.45 $6.91
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Sold By American Sports Nutrition American Sports Nutrition Vitamins And More Ideal Gift iServe XSNonline
Directions 1 tablet daily, or as recommended by your health care professional. 1 tablet daily. As a dietary supllement for adults, take one (1) vegetable capsule daily, preferably with a meal or as directed by a healthcare practitioner. Take 1 capsule daily, preferably with food. Take 1 capsule one to three times daily or as recommended by a health-care practitioner. As a dietary supplement, take one capsule daily, preferably with a meal.
Item Form tablets capsules capsules
Safety Warning If you are pregnant, may become pregnant, or breastfeeding, consult your health care professional before using this product. If you are pregnant, may become pregnantor breast feeding, or have diabetes, liver dysfunction, or ulcers, consult your health care professional before using this product. Niacin maycause temporary flushing, tingling, skin reddening and sensations of heat, especially if taken on an empty stomach. This is a natural and harmless reaction. NOTICE: Use of this product may cause a temporary skin flushing (hot feeling and skin redness), burning, itching, or rash caused by an increase in blood flow near the skin. Sensitive individuals may experience an unexpected drop of blood pressure or dizziness. Do not take on an empty stomach. Do not take more than the recommended dose unless prescribed by your doctor. As with any dietary or herbal supplement, you should advise your health care practitioner of the use of this product. If you are nursing, pregnant, or considering pregnancy, you should consult your health care practitioner prior to using this product. Keep out of reach of children. ALLERGY WARNING: This product is contraindicated in an individual with a history of hypersensitivity to any of its ingredients. This product also does not contain lactose, palmitic acid, or magnesium, calcium, or vegetable stearates. PREGNANCY WARNING: If pregnant, consult your health-care practitioner before using this product. INTERACTIONS /CONTRAINDICATIONS: There are no known adverse interactions or contraindications at publication date. Not to be used by pregnant/lactating women or those with liver problems, stomach ulcers or are a diabetic unless recommended by your healthcare practitioner.
Size 250 250 100 Tablets 100 100

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Disclaimer: While we work to ensure that product information is correct, on occasion manufacturers may alter their ingredient lists. Actual product packaging and materials may contain more and/or different information than that shown on our Web site. We recommend that you do not solely rely on the information presented and that you always read labels, warnings, and directions before using or consuming a product. For additional information about a product, please contact the manufacturer. Content on this site is for reference purposes and is not intended to substitute for advice given by a physician, pharmacist, or other licensed health-care professional. You should not use this information as self-diagnosis or for treating a health problem or disease. Contact your health-care provider immediately if you suspect that you have a medical problem. Information and statements regarding dietary supplements have not been evaluated by the Food and Drug Administration and are not intended to diagnose, treat, cure, or prevent any disease or health condition. Amazon.com assumes no liability for inaccuracies or misstatements about products.