Mecopen OD is a brand of methylcobalamin. 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. It is an essential nutrient that helps the body to make healthy red blood cells and nerve cells. Methylcobalamin normalizes protein transport in nerve cells in people with diabetes. It exhibits inhibitory effects on nerve degeneration in neuropathies induced by drugs. 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. Clinically, Methylcobalamin is the first pharmaceutical product that has been shown to be effective and useful for the treatment of numbness, pain and paralysis due to peripheral neuropathies. Directions for use: 1 tablet once in a day, to be taken orally. However, it should be taken Use under medical supervision.