L CARNITINE Fat Loss Liquid Fat Burner and Metabolism Activator (1500m 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 Your body already makes L Carnitine, so why do people take it as a supplement? Because while it helps burn fat for energy, it only works when paired with the right lifestyle., So before you jump on Does L Carnitine help you lose weight? Effects of l carnitine supplementation on weight loss and body composition: A systematic review and meta analysis of 37 randomized controlled clinical trials with dose response analysis ScienceDirect