B-Complex PlusB Complex Plus from Pure Encapsulations delivers a carefully balanced mix of active B vitamins, including pyridoxal 5 phosphate, riboflavin 5 phosphate, and folate as 5 methyltetrahydrofolate (5 MTHF) the active form your body can use straight away. Unlike many generic B complex supplements on the market, this formula specifically uses methylated and phosphorylated forms of B vitamins, which means your body can utilize them more efficiently without