Methyl B-12 5,000mcg offers high-dose vitamin B12 in delicious, berry-flavored lozenges. 5,000 mcg of Methylcobalamin, which is the activated form of vitamin B12, is in each lozenge for enhanced bioavailability. This dissolvable lozenge delivery format was designed to support superior nutrient absorption through the mucous membranes and is perfect for those with digestive issues.