Natural Factors Hi Potency B Complex - 50 mg - B Complex vitamins are co-enzymes involved in energy production, and maintaining optimal intake levels and promoting proper absorption and utilization is critical for excellent overall health. B vitamins assist in the maintenance of healthy nerves, skin, eyes, hair, liver and mouth, as well as balancing brain functions, helping us deal with both physical and mental stress. B Vitamins are most effective when taken together as a complex, as each assists the other in proper absorption and bio-availability. Natural Factors Hi Potency B Complex is 50 mg of the B's, with 50 mg of Lipotropic Factors and 1 full mg of Folic Acid - an excellent mix of the B's insuring optimal levels for better overall health.