how to drink l carnitine coffee L-Carnitine: Benefits, Side Effects, FAQ, Sources, and Dosage L-Carnitine
Description
Most importantly, it facilitates the transport of long-chain fatty acids into the mitochondria for use in ATP production

Dec 2004;15(12):3225-3232

OCTN2VT, a splice variant of OCTN2, does not transport carnitine because of the retention in the endoplasmic reticulum caused by insertion of 24 amino acids in the first extracellular loop of OCTN2

[Experiences with L-carnitine in the post-stress phase]