Adding malic acid in various tablets and syrups can present a fruity taste and is beneficial to absorption and diffusion in the body. It is often mixed into compound amino acid injections to improve the utilization of amino acids. Its sodium salt is an effective drug for treating liver insufficiency, especially hypertension. Potassium L-malate is a good potassium supplement. It can maintain the body's water balance and treat edema, hypertension and fat accumulation.
L-apple can be used to treat liver disease, anemia, low immunity, uremia, hypertension, Hepatic failure and many other diseases, and can alleviate the toxic effect of anti-cancer drugs on normal cells. It is also used to prepare and synthesize insect repellents, anti-tartar agents, etc. In addition, L-malic acid can also be used as an industrial cleaning agent, resin curing agent, plasticizer for synthetic materials, feed additives, etc.