Niacin also called nicotinic acid, niacinamide or nicotinic acid and referred to as vitamin B 3, which can be manufactured by the body. Niacin is derived from two compounds — nicotinic acid and niacinamide.

Vitamin B3 is required for cell respiration, helps in the release of energy and metabolism of carbohydrates, fats, and proteins, proper circulation and healthy skin, functioning of the nervous system, and normal secretion of bile and stomach fluids. It is used in the synthesis of sex hormones, treating schizophrenia and other mental illnesses, and a memory-enhancer.