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 Didn't another study show carnitine was good for the heart? L Carnitine: Benefits, Uses, Side Effects, and More Frontiers Role of Carnitine in Non alcoholic Fatty Liver Disease and Other Related Diseases: An Update 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.