Methylcobalamin is a predominant and active form of Vitamin B-12 that supports heart health and energy metabolism** Regular Vitamin B-12 supplements must be converted in the body to Methylcobalamin before they can provide any benefits – Methylcobalamin supplements allow you to bypass this step for quicker absorption You may not be able to absorb B-12 as well as you get older, so mature adults may especially benefit from a Methylcobalamin supplement** Our microlozenges supply you with a high-potency source of B-12, and are perfect for vegetarians No Artificial Color, No Artificial Flavor, No Preservatives, No Sugar, No Starch, No Milk, No Lactose, No Soy, No Gluten, No Wheat, No Yeast, No Fish. Sodium Free.