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 Nutrex Research, Liquid L Carnitine 3000, 31 Servings Walmart.com Acetyl L Carnitine HCL Muscle Support for Horses, Powder L Carnitine Liquid 3300mg Triple Strength Fat to Energy Alvista Official Nutrex Research Liquid L Carnitine 3000, Stimulant Free Workout Drink, Passionfruit Guava Walmart.com