Vitamin B Complex is composed of eight B vitamins including B1 (Thiamine), B2 (Riboflavin), B3 (Niacin), B5 (Pantothenic), B6 (Pyridoxine), B7 (Biotin), B9 (Folic Acid), and B12 (Cobalamin). Each of these essential vitamins contribute to the overall function of the body, and help maintain good health. B vitamins increase energy levels, improve memory, stimulate the immune system, and boost skin and hair health.