This extraordinary, premium formula packs the most powerful forms of a multitude of B-vitamins, such as methylcobalamin B12. B-vitamins play indispensable roles in the body: B12 and folic acid (Quatrefolic®) are crucial for healthy cell division, vitamins B1, B2, B3, and biotin enable energy production, B6 is essential for amino acid metabolism, vitamin B5 is required for the formation of acetylcholine (a neurotransmitter) and energy production,* and several B vitamins have been connected to wound healing!* Plus, biotin is known to fortify nails!*