Niacin (vitamin B3, nicotinic acid) promotes scalp circulation. It play essential roles in energy metabolism in the living cell.
Food sources for vitamin B3 includes wheat germ, brewer’s yeast, fish, chicken, turkey and meat.

The recommended daily dose of niacin is 14 mg a day for women and 16 mg a day for men. Taking more than 25 mg a day can result in “niacin flushes” (blood cell dialiation and temporary heat sensation).

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