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. Selective inhibition of OCTN2 is more effective than inhibition of gamma butyrobetaine dioxygenase to decrease the availability of l carnitine and to reduce myocardial infarct size ScienceDirect L carnitine is a naturally occurring amino acid structure that is made in the human brain, liver, and kidneys. L carnitine plays a critical role in energy production, as it converts fat into energy. 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 NKF KDOQI Guidelines L Carnitine 340 mg Pure Encapsulations Blue Sky Vitamin