Methylcobalamin Vitamin B 12 Cherry Sublingual 1 mg and 5 mgMethylcobalamin, an active coenzyme form of vitamin B 12, is essential for cell growth and replication. Methylcobalamin is more concentrated than other forms of B 12 in the cerebral spinal fluid where it can be used by the central nervous system. Methylcobalamin donates methyl groups to the myelin sheath that insulates certain nerve fibers. Methylcobalamin may also play a role in maintaining a healthy sleep wake cycle, as well as normal nerve function.Supplement Facts for 5 mg Serving Size 1 tablet Amount %DV Vitamin B 12 as methylcobalamin 5 mg 83,330Other Ingredients mannitol, sorbitol, natural cherry flavor, stearic acid, and magnesium stearate.Warning If you are pregnant or breastfeeding, consult your health care professional before using Methylcobalamin vitamin product.Suggested Use One Methylcobalamin tablet daily.