Active Folate B12 Chewable combines the most active, stable, and highly bioavailable forms of folic acid (Quatrefolic® brand) and vitamin B12 (methylcobalamin). Active Folate B12 Chewable is the most stable, bioavailable and active form of folate andvitamin B12. It is also recommended for methylation, cellular health, and child-bearing years/pregnancy.* Active Folate B12 Chewable is a preferred form of folate for the support of homocysteine management, heart health and nerve function*