Note: The U.S. Food and Drug Administration (FDA) does not regulate all supplements. Before taking a supplement, talk to your doctor about potential drug interactions and other safety concerns.

Niacin is a type of B vitamin that offers benefits for you whole body, from your brain to your skin. You can get it from meat, fish, and nuts, or in supplement form. Niacin, also known as vitamin B3, ...

A recent case highlighting a man hospitalised with liver damage after taking high doses of vitamin B3 supplements for longevity has sparked renewed concern about the risks of overusing dietary ...