Niacin, Vitamin B3, Nicotinic Acid

Medline Plus, A service of the U.S. National Library of Medicine and the National Institute of Health, points out the function and dosage recommendations of vitamin B3. An important point stated is the Food Sources, "Niacin (also known as vitamin B3) is found in dairy products, poultry, fish, lean meats, nuts, and eggs. Legumes and enriched breads and cereals also supply some niacin." Many of these are foods high in choline that TMAU sufferers need to stay away from to prevent body odor. Therefore, it's important to review the recommended dose noted in this encyclopedic article to meet the known nutrient needs.

Of particular interest is the Side Effects section which depicts the consequence of a niacin deficiency and a large dose of niacin,

A deficiency of niacin causes pellagra. The symptoms include inflamed skin, digestive problems, and mental impairment.

Large doses of niacin can cause liver damage, peptic ulcers, and skin rashes. Even normal doses can be associated with skin flushing. It can be prescribed as a treatment for elevated total cholesterol and other types of lipid disorders, but it should only be used with medical supervision due to its potential side effects.

full article :

http://wwwils.nlm.nih.gov/medlineplus/ency/article/002409.htm