The Science of Carnitine: How It Works and Why It Matters 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 Injectable L Carnitine: Does It Really Work for Fat Loss? The bright and the dark sides of L carnitine supplementation: a systematic review Journal of the International Society of Sports Nutrition Springer Nature Link