Nicotinic Acid-13C6 is labelled Nicotinic Acid. It is a precursor of the coenzymes NAD and NADP. Widely distributed in nature; appreciable amounts are found in liver , fish, yeast and cereal grains. Dietary deficiency is associated with pellagra. The term “niacin” has also been applied to nicotinamide or to other derivatives exhibiting the biological activity of nicotinic acid. Vitamin (enzyme cofactor).
Nicotinic acid, also known as niacin, is a water-soluble vitamin of the B complex and an essential human nutrient. Niacin deficiency, often the result of impaired nutritional status associated with conditions ranging from malnutrition to chronic alcoholism, is frequently monitored in patient plasma samples by LC-MS/MS.