Vitamin B12 is highly beneficial in various forms but DEVA Fast Dissolve B-12 contains only one form: Methylcobalamin. Methylcobalamin, the coenzyme form of vitamin B12 is a body-friendly version and it can be used in its normal form. Our product comes as a small fast dissolve lozenge tablet that can dissolve in mouth before swallowing so people who have difficulty swallowing pills can take it easily as well. Each lozenge tablet provides 2500 mcg (41,667% of Daily Value) to ensure adequate intake. Tablets are pleasant tasting, dissolve in a short amount of time and, can also be chewed if desired.