When to Take L Carnitine for Optimal Training Benefits Transparent Labs What is L Carnitine, and what does it do? Fit Nutrition Australia Cutler Nutrition Liquid L Carnitine Supplement with Acetyl L Carnitine & L Carnitine Tartrate Forms Pre 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