Can I take l carnitine and protein at the same time? (L Carnitine) Why take L Carnitine? L Carnitine helps your body turn fat into fuel making it a go to supplement for fat loss, endurance, and performance. Here's what it can do for you: L carnitine, creatine and whey protein effective for strength training Amazon.com: Performance Inspired Diet & Energy Whey Protein 25G Clean Protein L Carnitine & Leucine Digestive Enzymes Green Tea Extract Gluten Free 1g Sugar Vanilla Latte 2.4 lb : Health & Household What Is Carnitine and Why Is It Important? The Amino Company Meet L Carnitine a naturally occurring amino acid that plays a key role in helping the body convert fat into usable energy. It works by transporting fatty acids into your cells to