Niacin, also known as nicotinic acid or vitamin B3, is a water-soluble vitamin whose derivatives such as NADH play essential roles in energy metabolism in the living cell. The designation vitamin B3 also includes the amide form, nicotinamide or niacinamide. Severe lack of niacin causes the deficiency disease pellagra, whereas a mild deficiency slows down the metabolism, which in turn decreases cold tolerance and is a potential contributing factor towards obesity.


... NIACIN, also known as Nicotinic Acid or Vitamin B3, (Niacor®, Nicolar®) is a B-vitamin that occurs naturally in foods, such as meat, fish, milk, eggs, green vegetables, and enriched cereal grains. Proper amounts of niacin are obtained in our diets daily. Niacin supplements are occasionally prescribed to treat pellagra, a serious but rare niacin-deficiency disorder. Niacin is available in many multivitamins in small amounts. Generic niacin tablets are available. However, check with your prescriber before changing the type of niacin you are taking. ...
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Niacin Systematic name 3-Pyridinecarboxylic acid Chemical formula C ...
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