L Carnitine vs L Arginine: Understanding Their Differences and Benefit Fitness Health 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 Cutler Nutrition Liquid L Carnitine Supplement with Acetyl L Carnitine & L Carnitine Tartrate Forms Pre I get asked so many questions about my pre workout combo, so here it is! I take Oxyshred + Acetyl L Carnitine. This combo gives me the energy I need to crush my workouts