Each tablet includes Thiamine (B1), Riboflavin (B2), Niacin (B3), Pantothenic Acid (B5), Pyridoxine (B6), Biotin (B7), Folic Acid (B9), and Cobalamin (B12). Vitamins B2, B3, B5, B6, and B12 contribute to the reduction of tiredness and fatigue, while Vitamins B1, B2, B3, and B12 help support the normal functioning of the nervous system.