M.V.I. Injection is used for Migraine headache, Vitamin a deficiency, Eye problems, Hartnup's disease, Exertion, Burning feet, Heart problem, Distress, Nerve pain, Brain disorders and other conditions. M.V.I. Injection may also be used for purposes not listed in this medication guide.M.V.I. Injection contains Pantothenic Acid, Vitamin A, Vitamin B1, Vitamin B2 and Vitamin B3 as Active ingredients. M.V.I. Injection works by facilitating retina formation required for low light and color vision; metabolizing carbohydrate thus maintains normal growth; maintaining many tissues of the body to prevent vitamin B2 deficiency; converting food into glucose thus produces energy; raising the level of glutathione thus prevents cells against peroxidative damage;