L Carnitine 60 tablets Amazon.com: Swanson Propionyl L Carnitine with Glycine Natural Supplement Promoting Heart Health & Energy Support May Support Muscle Strength & Endurance (60 Veggie Capsules) : Health & Household Acetyl L carnitine Hydrochloride, 5 grams Used Medications in the L carnitine and the Placebo Groups a . Download Scientific Diagram L carnitine helps transport fatty acids into your cells' mitochondria, where they can be used for energy. That's why it's often marketed for fat loss and energy support. Common use: People usually take