O2 Pure L Carnitine transfers long chain fatty acids, such as triglycerides into mitochondria, where they may be oxidized to produce energy. In other words L Carnitine helps our body to use fat as iSatori Liquid L Carnitine LS3 3000 L Carnitine 3500 Metabolic Nutrition Frontiers The effect of L carnitine supplementation on lipid profile in adults: an umbrella meta analysis on interventional meta analyses