Methylcobalamin is a form of vitamin B12 that restores its level in the body thereby helping in treating certain anemias and nerve problems. The drug methylcobalamin is a form of vitamin B12, which is most easily absorbed by the body. This drug is also used mainly to improve the health of the liver, brain and central nervous system. Methylcobalamin is used to prevent and treat low vitamin B12. Lack of vitamin B12 may cause anemia and damage to the nerves. It is used to treat diabetic neuropathy and peripheral neuropathy. Methylcobalamin is an essential nutrient that helps the body to make healthy red blood cells and nerve cells. Methylcobalamin normalizes protein transport in the cells of diabetic patient. It exhibits inhibitory effects on nerve degeneration in people with neuropathies. Methylcobalamin accelerates the metabolic pathways of nucleic acids, proteins and lipids through its involvement in the transmethylation reaction; thus, it exerts a repairing effect on injured nerve tissues.