One soft gel of Nature Made's Super B Complex supplements contains 1.5 mg of thiamin (vitamin B1), 1.7 mg of riboflavin (vitamin B2), 20 mg of niacin (vitamin B3), 2 mg of vitamin B6, 665 mcg of ...

Vitamin B complex is a product that’s composed of eight B vitamins. Here’s why these vitamins are essential, how much you need, and how to get more.

Vitamin B complex refers to the eight B vitamins. Learn more about each of these vitamins, the benefits of B-complex supplements, and who should use them.