Dietary Supplement. Guaranteed No Added: Egg, fish, crustacean shellfish, tree nuts, peanuts, gluten from wheat and other grains, soybeans. Gluten free. Soy free. Est. 1967. May support general health. Laboratory Tested: Mason guarantee. cGMP: Certified good manufacturing practice. www.MasonVitamins.com. (This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.)