Life Extension Vitamin B3 Niacin (500 mg)

Niacin is called B3 because it was the third B vitamin to be discovered. Supplementing with niacin can help people maintain already-healthy cholesterol levels, an attribute identified in the 1950s. This makes it one of the most-studied nutrients for this purpose. No wonder Vitamin B3 Niacin is our best-selling supplement for supporting already-healthy cholesterol levels.