l carnitine naturally L-Carnitine (tartrate) L-Carnitine | Linus Pauling Institute
Description
IV: intravenously

Indeed, U.S

For those sensitive to the smell of fish oil supplements or vegan consider: 3

L-Carnitine Fumarate (CAS 90471-79-7) L-Carnitine Fumarate is a highly bioavailable form of L-Carnitine that is commonly used in weight loss and sports nutrition supplements
Lai JC, Cooper AJ (1986) Brain alpha-ketoglutarate dehydrogenase complex: kinetic properties, regional distribution, and effects of inhibitors

In detail, L-Carnitine is transported into a cell by OCTN2
