Vitals Vitamin B12 2000 mcg (methyl-/adenosylcobalamine) (100 lozenges)

Vitals Vitamin B12 2000 mcg (100 lozenges), with the biologically active forms methylcobalamin and adenosylcobalamin for optimal absorption. These are the forms as vitamin B12 occurs in the diet and is used by the body. Many other vitamin B12 products use cyanocobalamin, a synthetic form that is so not found in nature. These high-dose lozenges are specially designed for direct absorption through the oral mucosa, without the use of synthetic flavors or sweeteners.