Vitamin B3 (Niacin)

Helps turn food into energy and keeps the nervous system and skin healthy.

Type: Water-soluble
Main job: Helps turn food into energy and keeps the nervous system and skin healthy

Good to know

The body can make some niacin from the amino acid tryptophan.

Foods rich in Vitamin B3

ChickenLean protein, niacin, vitamin B6Proteins

SalmonOmega-3 (EPA & DHA), protein, vitamin DProteins

PeanutsProtein, heart health, affordableNuts & Seeds

Brown RiceFiber, manganese, sustained energyGrains

Sources

NIH Office of Dietary Supplements: Vitamin B3 fact sheet
USDA FoodData Central

Last reviewed October 2026.

General information only, not medical advice. If you take medicine or manage a health condition, check with your doctor, pharmacist or a registered dietitian before changing your diet. Read our medical disclaimer.