The effect of l carnitine on fat oxidation, protein turnover, and body composition in slightly overweight subjects. Semantic Scholar In terms of fat burning ability.. L Carnitine may not be the brightest star in the sky, but it has another effect that few people actually know about. This content is for educational Frontiers The effect of L carnitine supplementation on lipid profile in adults: an umbrella meta analysis on interventional meta analyses The Role of l Carnitine in Mitochondria, Prevention of Metabolic Inflexibility and Disease Initiation L Carnitine Linus Pauling Institute Oregon State University