Burn fat smarter, not harder., Most people think fat burn = more cardio. Truth is, your body needs the right tools to actually use stored fat as fuel., Thats where L Carnitine comes in its Amazon.com: iSatori L Carnitine 1500, Triple Blend Liquid L Carnitine Supplement, with Acetyl & Tartrate, Stimulant Free Energy, Low Calories, Sugar or Gluten, Keto Friendly, Mixed Berry Flavor (24 Servings) : Health & Household L Carnitine with Apple Cider Vinegar EC Sports Supplements Early research into L carnitine was often cited as underwhelming, showing negligible changes in muscle carnitine content and fat loss outcomes. However, these findings may have been limited by a short study window