Niacin is with vitamin B complex vitamins and is known as vitamin B3. Its main function is in metabolic pathways, especially those involved in making energy for the body. It is also useful in the making of fatty acids. A deficiency in niacin results in pellagra by symptoms of inflammation of the skin, diarrhea, dementia, dermatitis, and hallucinations.

recommendation: 16 mg for men 14-70+ years, 14 mg for women 14-70+ years.
foods in: mushrooms, wheat bran, tuna, chicken, and peanuts.

Nicotinic Acid, a member of the vitamin B-complex, C5 H4 NCOOH, occurring in living cells as an essential substance for growth and synthesized for use in treating pellagra.

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