B Vitamins, unlike other Vitamins, are a family of nutrients that work well together. At Natures Aid, our potent B Vitamin Complex contains Riboflavin (B1), Thiamine (B2), Niacin (B3), Pantothenic acid (B5), Pyridoxine (B6), Biotin (B7), Folic Acid (B9)’ and Cobalamin (B12).