PureBulk, B3 Niacin (Immediate Flush) Powder (100g)

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Supplement Facts

Serving Size: 500 milligrams
Servings Per Container: Varies
Amount Per Serving% Daily Value*
Niacin 500 mg 2500%

* Percent Daily Values are based on a 2,000 calorie diet.
† Daily Value Not Established
‡ These supplement facts may vary from the product you receive.    Please call for exact numbers.

Other Ingredients: None

Free of:  Sugar, Soy, Dairy, Yeast, Gluten, Corn & Additives.

Directions:  As a dietary supplement, take 250 mg to 500 mg (1/8 tsp) daily with meals, or as directed by a physician.

Warning: If you are pregnant, nursing, taking any medications or have any medical condition consult your physician before use. Niacin may cause a temporary flushing reaction when taking serving amounts larger than 100 mg. Keep out of reach of children.


Niacin, also called nicotinic acid or Vitamin B3, is a water-soluble member of the complex of B vitamins. Niacin is one of the most stable of the B vitamins owing to the fact that it is resistant to the effects of heat, light, air, acid and alkali.

PureBulk offers two forms of Vitamin B3 that are commonly used as supplements: niacin and niacinamide. The chemical difference between the two forms is that niacinamide has an amide group attached to the basic niacin form. Both compounds can be converted into the coenzymes NAD+, NADP+, NADH and NADPH, playing key roles in energy metabolism and anabolism

PureBulk's Niacin is the immediate release form of this vitamin, not a timed or slow release.


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