Nature's Harbor Vitamin B-12 (Cyanocobalamin) is important for energy production, growth, cell production, and protein and tissue synthesis. In order for vitamins to be utilized by the body, they must first be converted into their active coenzyme forms. This Coenzymated Sublingual B-12 goes directly into your bloodstream in its active form, ready to go to work immediately. Dibencozide is a primary coenzyme form of Vitamin B-12. It is required for processing branch chain amino acids through the Kreb's cycle for sustained energy production. Supplementation with dibencozide may support energy production during prolonged exertion.