Methyl B Complex is a superior B complex, providing nutrients in their naturally active forms. Methyl B Complex contains folate as methylfolate or 5-MTHF. 5-MTHF is the natural form of folate found in food such as leafy green vegetables and is already active and ready for the body to use. We use Quatrefolic, the most advanced form of folate supplementation available, with optimum stability and bioavailability. B vitamins are required for the release of energy from food, for the healthy function of the nervous system and for the production of hormones. B vitamins support the circulatory and immune systems and help maintain the health of skin, hair and eyes. Vitamin B2, B3, B5, B6 and B12 contributes to the reduction of tiredness and fatigue. Vitamin B Complex liquid in a simple, hypoallergenic purified water base .