What Is Carnitine and Why Is It Important? The Amino Company l carnitine, a friend or foe for cardiovascular disease? A Mendelian randomization study BMC Medicine Springer Nature Link The adverse effects of long term l carnitine supplementation on liver and kidney function in rats L Liu, D M Zhang, M X Wang, C Y Fan, F Zhou, S J Wang, L D Kong, 2015 Comparison of short term and long term effects of peroral L carnitine intake: clinical implications of elevated TMAO levels in cardiovascular complications Full article: Increase in Nitric Oxide and Reductions in Blood Pressure, Protein Kinase C II and Oxidative Stress by L Carnitine: A Study in the Fructose Fed Hypertensive Rat