A Meta Analysis of the Efficacy of L Carnitine L Acetyl Carnitine or N Acetyl Cysteine in Men With Idiopathic Asthenozoospermia Guangzhu Wei, Zhongbao Zhou, Yuanshan Cui, Yongjin Huang, Zijin Wan, Xuanyan Che, Yumeng Chai, Yong Zhang, 2021 The bright and the dark sides of L carnitine supplementation: a systematic review Journal of the International Society of Sports Nutrition Springer Nature Link Comparison of short term and long term effects of peroral L carnitine intake: clinical implications of elevated TMAO levels in cardiovascular complications Full article: Acetyl L carnitine: from a biological curiosity to a drug for the peripheral nervous system and beyond Acetyl L Carnitine Core Nutritionals Medium chain fatty acid oxidation is independent of l carnitine in liver and kidney but not in heart and skeletal muscle American Journal of Physiology Gastrointestinal and Liver Physiology American Physiological Society