A balanced, hypoallergenic B-complex featuring the active forms of vitamins B1, B2, B6, B12 and Quatrefolic® brand of (6S)-5-methyltetrahydrofolate.Active B-Complex is a balanced, hypoallergenic B-complex formula featuring the active forms of vitamins B1, B2, B6, and B12. It also contains Quatrefolic, the stabilized glucosamine salt of (6S)-5-methyltetrahydrofolate, a reduced and active form of folic acid. 5-methyltetrahydrofolate (5-MTHF) is directly usable by the human body as a methyl donor and as such, supports healthy homocysteine blood levels.** * Pure, hypoallergenic, vegetarian B-complex formula Features the active forms of vitamins B1, B2, B6, B12, and folate Contains Quatrefolic brand L-Methylfolate, the bioactive form of folate Supports healthy methylation* **levels already within normal limits