User's Guide to the B-Complex Vitamins

The B-complex vitamins are a family of nutrients that play multifaceted and essential roles in health and preventing disease. They are needed to make and repair DNA and increase energy levels-both key steps for slowing the aging process. Some B vitamins are needed to make mood-enhancing neurotransmitters, such as serotonin, and can have powerful antidepressant benefits. The B vitamin folic acid re...