Mitachondral Injection with Amino AcidsManufacturer: Nature Vet Pty LimitedComposition Each mL contains carnitine 200 mg, d-phenylalanine 4 mg, l-isoleucine 5.33 mg.Actions Carnitine is an essential cofactor of lipid metabolism found in living tissues, particularly the heart and skeletal muscles, where it is involved in cellular energy production.