twinlab l carnitine mega 500mg L-Carnitine 1500 Extreme Caps® - 120 Capsules TWINLAB Mega L-Carnitine Liquid (849)
Description
In summary, carnitine behaves as a conditionally essential nutrient, particularly in infants on TPN and dialysis patients
Plasma levels peak right when exercise triggers fat burning

Thats where L-Carnitine and fat burners become different

doi:10.1136/hrt.2007.135277 67
