Home > Medical Reference > Encyclopedia (English)

Toggle: English / Spanish

 

Video details

Do Not Remove This Text

Related Content


 

Niacin - Overview

Alternative Names

Diet - niacin; Nicotinic acid; Vitamin B3

Definition of Niacin:

Niacin is a type of B vitamin. It is water-soluble, which means it is not stored in the body. Water-soluble vitamins dissolve in water. Leftover amounts of the vitamin leave the body through the urine. That means you need a continuous supply of such vitamins in your diet.

Function:

Niacin assists in the functioning of the digestive system, skin, and nerves. It is also important for the conversion of food to energy.

  • Reviewed last on: 1/2/2007
  • William McGee, M.D., M.H.A., Assistant Professor of Medicine and Surgery, Tufts University School of Medicine, Boston, MA, and Chairman, Nutrition Committee, Baystate Medical Center, Springfield, MA. Review provided by VeriMed Healthcare Network.