The best food sources of Niacin B-3, also known as vitamin B-3, are peanuts, brewer’s yeast, fish, and meat. In smaller quantities, it is also found in grains.

Niacin B-3 assists in the conversion of food to energy
Niacin B-3 is utilized during energy production from carbohydrates
Niacin B-3 helps keep the nervous system, digestive system, skin, hair and eyes healthy.
Since it is a water-soluble vitamin, Niacin B-3 is not stored in the body and therefore requires continuous supplementation
In its Niacin form, vitamin B-3 also regulates cholesterol