Carnitine Deficiency: What Is It, Causes, Symptoms, and More Osmosis Frontiers Exogenous L carnitine Administration Ameliorates the Adverse Effects of Heat Stress on Testicular Hemodynamics, Echotexture, and Total Antioxidant Capacity in Rams Propionyl L carnitine induces eNOS activation and nitric oxide synthesis in endothelial cells via PI3 and Akt kinases ScienceDirect Propionyl L carnitine Corrects Metabolic and Cardiovascular Alterations in Diet Induced Obese Mice and Improves Liver Respiratory Chain Activity PLOS One