Methylcobalamin, an active coenzyme form of vitamin B-12, is essential for cell growth and replication
More concentrated than other forms of B-12 in the cerebral spinal fluid, where it can be used by the central nervous system
Donates methyl groups to the myelin sheath that insulates certain nerve fibers

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Width : 1.57 inch
Height : 0.79 inch
Length : 2.83 inch

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ASIN : B001G7R8J2