There is no single B vitamin, but rather there are eight water soluble vitamins, each of which plays an important role in the cell metabolism process, making up what is known as the B-Complex vitamin. While the B vitamins were once believed to be just a single vitamin, research has showed that these are eight chemically distinct vitamins that can coexist in the same foods, but that can also be... moreThere is no single B vitamin, but rather there are eight water soluble vitamins, each of which plays an important role in the cell metabolism process, making up what is known as the B-Complex vitamin. While the B vitamins were once believed to be just a single vitamin, research has showed that these are eight chemically distinct vitamins that can coexist in the same foods, but that can also be found separately in other whole food sources as well. While these eight vitamins can be combined in a supplement known as the vitamin B complex, individual B vitamin supplements are also available. Each of the Vitamin B vitamins is differentiated by a number, and also has its own unique name. view page