“Vitamin B” refers to eight different vitamins, which all play a role in converting food into energy in the body. Each vitamin has a unique role in a person’s health. Vitamin B-complex ...

Your recommended daily allowance (RDA) of 90mg (for adult men ... Niacin is one of the B-vitamins, and is also known as B3. It is naturally present in many foods, including meat, poultry, fish ...

High doses are usually considered to be more than the recommended daily allowance (RDA). Vitamin B complex is a group of ...