Acetyl L Carnitine is more thought of as a fat burner. It's actually powerful tool for athletes looking to improve endurance, energy, and mental performance. Here's how you can integrate it into your routine for 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 Amazon.com: Force Factor L Carnitine Liquid 3000mg, Maximum Strength Supplement to Support Fat Metabolism, Cellular Energy & Muscle Recovery, High Absorbing, Non GMO, Orange Flavor, 16 oz Bottle : Health & Household Nutrex Research Liquid L Carnitine 3000, Stimulant Free Workout Drink, Passionfruit Guava Walmart.com Nutrex Research, Liquid L Carnitine 3000, 31 Servings Walmart.com