L CARNITINE increases muscle mass, reduces fat mass. Bangkok Hospital Headquarter Creatine Vs L Carnitine Key Differences: Creatine primarily aids in increasing muscle mass and strength when combined with other supplements like L carnitine. L carnitine seems more effective for improving high intensity exercise performance, recovery Creatine vs Carnitine: Do You Need Both? Differences Explained FeastGood.com Hey yall, what's the difference between l carnitine and creatine? Can I use them both? I want to lose weight, but maintain my curves