Effects of l carnitine supplementation on weight loss and body composition: A systematic review and meta analysis of 37 randomized controlled clinical trials with dose response analysis Clinical Nutrition ESPEN Effects of l carnitine supplementation on weight loss and body composition: A systematic review and meta analysis of 37 randomized controlled clinical trials with dose response analysis Clinical Nutrition ESPEN When to Take L Carnitine for Weight Loss & Maximize Results Early research into L carnitine was often cited as underwhelming, showing negligible changes in muscle carnitine content and fat loss outcomes. However, these findings may have been limited by a short study window Studies that examine the effects of L carnitine in recovery after Download Table