L Carnitine: Benefits, Uses, and Side Effects Lifespan Research Institute So as promised my before and after pic's after taking L Carnitine.. I've taken for 15 days, i didn't exercise or diet at all .. BUT you can still see a difference.. If L Carnitine helps your body turn fat into fuel improving energy, endurance, and recovery. Combine it with consistent training and a clean diet for real results! , ., ., ., ., #LCarnitine #FatLoss Role Of L Carnitine In Enhancing Athletic Performance AS IT IS Nutrition