This group of essential vitamins includes thiamine (B1), riboflavin (B2), niacin (B3), pantothenic acid (B5), B6, biotin (B7), B12, and folic acid. These vitamins are necessary for normal growth and development of the body, as well as for obtaining energy from the food we eat. Vitamin B12 is especially important for the production of melatonin, a hormone that regulates sleep.
