L CARNITINE increases muscle mass, reduces fat mass. Bangkok Hospital Headquarter Confident Sports L Carnitine Confident Health When Should You Take L Carnitine? MuscleTech Summary of studies on oral L carnitine treatment in end stage renal Download Scientific Diagram L Carnitine 1000 mg contains a very effective and pure form of L carnitine: tartrate. Like all other BioTech USA products, L Carnitine 1000 mg contains 100% safe, carefully selected ingredients. l Carnitine reduces reactive oxygen species endoplasmic reticulum stress and maintains mitochondrial function during autophagy mediated cell apoptosis in perfluorooctanesulfonate treated renal tubular cells Scientific Reports