Levocarnitine, commonly known as L Carnitine, is a naturally occurring compound that the body produces from the amino acids lysine and methionine. It plays a critical role in energy production by transporting fatty History of L carnitine: Implications for renal disease Journal of Renal Nutrition CARNITINE & KIDNEY DISEASE Amazon.com : InClover Kidney Bladder and Urinary Health Supplement for Dogs & Cats with Resveratrol (Found in Cranberries), L Carnitine & D Mannose Supports a Healthy Urinary Tract and Optimal Renal Protective effects of l carnitine on isoprenaline induced heart and kidney dysfunctions: Modulation of inflammation and oxidative stress related gene expression in rats ScienceDirect