Bio-Tech - B3-500 100 caps. Dietary SupplementServing Size:1 CapsuleServings Per Container:100Amount Per Serving Niacin(from 500 mg of Inositol Niacinate) 455mg Other ingredients: Gelatin One capsule or more daily.Contains no yeast, sugar, dye or preservative. Keep out of reach of children. Store tightly closed in a cool, dry place. Safety sealed for your protection.- Bio-Tech - B3-500 100 caps.
Bio-Tech - Tryptophan 500 mg 100 caps. L-Tryptophan is an essential amino acid, necessary as a building block for niacin (vitamin B3) and protein biosynthesis. It is also required for the production of the neurotransmitters serotonin and melatonin, which are involved in the regulation of ... - Bio-Tech - Tryptophan 500 mg 100 caps.