Bio Nutrition uses Methylcobalamin in the production of sub-lingual B-12 6,000. This more absorbable form of B-12 is pre-converted to make it more readily available for the body to absorb.* B-12 supports various systems of the body and can be a healthy addition to ones diet.**These statements have not be evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure of prevent any diseases.