Optimal folate and B vitamin intakes are associated with healthy neurological function as well as cardiovascular support. Each B-vitamin exists in multiple forms, often referred to as vitamers. Active forms of vitamers are those that can be directly utilized by the body immediately. Active B-Complex features a potent blend containing the active forms of Vitamins B2, B6, B12, as well as Quatrefolic®-branded methylfolate (the bioactive form of folate). Free from top 8 allergens.