Quest Super Stress Mega B Complex - 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. Quest Super Stress Mega B Complex is a high-potency B Complex formula with 1000 mg of Vitamin C and 1 mg of Folic Acid, making it one of the most powerful stress formulas available.