Amazon.com: iSatori L Carnitine 1500, Triple Blend Liquid L Carnitine Supplement, with Acetyl & Tartrate, Stimulant Free Energy, No Calories, Sugar or Gluten, Keto Friendly, Pink Lemonade (24 Servings) : Health & Household SirenLabs L Carnitine Elite Burn Strawberry Blast GNC So as promised my before and after pic's after taking L Carnitine.. I've taken for 15 days, i didn't exercise or diet at all .. BUT you can still see a difference.. If Acetyl L Carnitine 500mg Amino Acid Supplement Nature's Best L Carnitine Benefits: A Complete Research Based Guide