Lacarnit 1gm injection belongs to a class of medications called amino acids, which contains an active ingredient called levocarnitine. It is a protein used to treat carnitine deficiency in adults, children, infants, and newborns. It is also indicated to prevent and treat carnitine deficiency in end-stage renal disease patients undergoing dialysis. Carnitine deficiency happens when the body lacks levocarnitine. This medicine replenishes this protein, providing energy to the body. Before starting the treatment, inform your doctor about all the underlying medical conditions.