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 L Carnitine L Tartrate: 8 Key Benefits Dr. Lam 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 Effect of Acute and Chronic Oral l Carnitine Supplementation on Exercise Performance Based on the Exercise Intensity: A Systematic Review Benefits of L Carnitine for PCOS Landys Chemist