l Carnitine pretreatment ameliorates heat stress induced acute kidney injury by restoring mitochondrial function of tubular cells American Journal of Physiology Renal Physiology American Physiological Society L Carnitine Dosage Explained: A Complete Guide The Science of Good Health Should I Take Acetyl L Carnitine or L Carnitine HealthAid L Carnitine and Chronic Kidney Disease: A Comprehensive Review on Nutrition and Health Perspectives If you are like a lot of people, you may have never heard of carnitine but this important nutrient is critical for our body's ability to optimally burn fat required for energy.