Vitamin B1 (Thiamine): Energy metabolism, nerve function. * Vitamin B2 (Riboflavin): Energy production, antioxidant. * Vitamin B3 (Niacinamide): Energy metabolism, DNA repair, skin health. * Vitamin B5 (Calcium Pantothenate): Energy production, synthesis of hormones and cholesterol. * Vitamin B6 (Pyridoxine): Neurotransmitter synthesis, red blood cell formation, protein metabolism. * Vitamin B9 (Folic Acid): DNA synthesis, cell growth, red blood cell formation, neurotransmitter health. * Vitamin B12 (Cyanocobalamin): Nerve health, red blood cell production, DNA synthesis. * Biotin (Vitamin B7): Metabolism of fats, carbohydrates, and proteins; healthy hair, skin, and nails. * Choline bitartrate: Essential for brain and nerve function, liver metabolism, and cell membrane structure.