Bioclinic Naturals B12 supplies the active form of b12, methylcobalamin is the active form  for maximum benefit.
Superior bioavailability to the more common form, cyanocobalamin
Lozenges allow for a fast-acting delivery system 
Each lozenge contains 1000 mcg of b12, as methylcobalamin
 
Suggested Use: One lozenge daily or as directed by your healthcare practitioner.
 
Ingredients: B12 (methylcobalamin), lactose (from milk), cellulose, croscarmellose sodium, magnesium stearate (vegetable grade).
 
It contains no artificial preservatives, colors, or sweeteners; no corn, soy, gluten, starch, wheat, or yeast