- A form of
carnitine, which is a substance made in muscle and liver
tissue and found in certain foods, such as meat, poultry,
fish, and some dairy products.
L-carnitine is also a drug that is
used to treat patients who do not make enough carnitine and
is being studied as a way to prevent tissue damage caused
by chemotherapy. Carnitine is a type of dietary
supplement. Also called Carnitor and levocarnitine.