The B-complex vitamins are essential for human health. They are water-soluble and often work in synergy with each other. The most important B-complex vitamins are thiamine (B1), riboflavin (B2), niacin (B3), pantothenic acid (B5), pyridoxine (B6), biotin (B7), and cobalamin (B12).
Each of the B-complex vitamins has specific functions in the body. People who don't get enough of the B-complex vitamins can experience a variety of health problems. Let's take a look at B-complex vitamins in detail.