Vitamin Formulation: Each sublingual tablet contains 1000 mcg of B-12 Methylcobalamin, 400 mcg folic acid, and 2 mg B-6 for dietary supplementation Energy Support: Our dietary supplement is designed to support cell production, brain health, energy metabolism, and normal homocysteine levels for heart health Pure Ingredients: Our tablets are non-GMO and contain no preservatives focusing on providing a pure energy supplement Enhanced Delivery: Superior Source's sublingual technology allows for immediate dissolution on or under the tongue, facilitating optimal absorption of B complex nutrients About Us: Superior Source has been formulating sublingual vitamins since 1998 in our family-owned manufacturing facility