Acetyl L Carnitine vs L Carnitine: 4 Key Differences Momentous What is L Carnitine ??? . L Carnitine job is to pick up fat cells and drop them inside your mitochondriato be burned for pure energy. . The Benefits: . Fat Loss: Role of L carnitine in exercise training: Anti inflammatory, antioxidant, and metabolic interactions ScienceDirect The role of L carnitine in the control of oxidative stress and lipid oxidation during in vitro follicle growth, oocyte maturation, embryonic development and cryopreservation: a review Zygote Cambridge Core Early research into L carnitine was often cited as underwhelming, showing negligible changes in muscle carnitine content and fat loss outcomes. However, these findings may have been limited by a short study window Comparison of short term and long term effects of peroral L carnitine intake: clinical implications of elevated TMAO levels in cardiovascular complications