Natures Aid carefully balanced B Vitamin Complex provides all eight B Vitamins and is a handy top-up of key nutrients, perfect for particularly busy or stressful periods. Each tablet contains: Vitamin B1 (Thiamine), Vitamin B2 (Riboflavin), Vitamin B3 (Niacin), Vitamin B5 (Pantothenic Acid), Vitamin B6 (Pyridoxine), Vitamin B7 (Biotin), Vitamin B9 (Folic Acid) and Vitamin B12 (Cobalamin). These nutrients work together in the body, and support us in different ways. For example, vitamins B3, B5, B2, B6 and B12 help to reduce tiredness and fatigue. Meanwhile vitamins B1, B2, B3 and B12 contribute to a normal energy-yielding metabolism and also contribute to normal functioning of the nervous system.