If you're putting in the work but the scale isn't moving, your body might just need a little help tapping into its fat stores. That's where L Carnitine comes in. It's not a Benefits of L Carnitine for PCOS Landys Chemist Episode 129 L Carnitine and Fat Loss The effect of (L)carnitine on weight loss in adults: a systematic review and metaanalysis of randomized controlled trials Pooyandjoo 2016 Obesity Reviews Wiley Online Library 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 Beneficial effects of l carnitine supplementation for weight management in overweight and obese adults: An updated systematic review and dose response meta analysis of randomized controlled trials ScienceDirect