L-Carnitine:
A) Protein-Containing, Vitamin-Like Compound Found Mostly in Meat and Vegetable

l-carnitine:

A) protein-containing, vitamin-like compound found mostly in meat and vegetable products
B) liver cells store about 95% of the body's total
C) facilitates long-chain fatty acid influx into the mitochondrial matrix to enter $\beta$ -oxidation during energy metabolism
D) small intestine stores about 95% of the body's total.