Oxyenergy's L Carnitine 10000mg* Suitable for gym goers and active individuals. It's my personal go to pre post workout supplement. Pre workout I usually take it before my workout session for L Carnitine Liquid 3000 mg I with Vitamin B3, B5, B6 I Pre Workout, Intra Workout L Arginine L Ornithine L Lysine Tablets 1000mg, 180 Count, Vegan Muscle Support Supplement For Strength & Endurance Natural Pre Workout: The Best Pre Workout Supplements and Drinks