High Strength L carnitine Supplement VitalityUK Acetyl L Carnitine 1500mg High Strength Tablets Energy & Metabolism Support Ehp Labs When Should You Take L Carnitine? MuscleTech JYM L Carnitine L Tartrate Parker Naturals Concentrated L Carnitine Liquid, 5000mg All Natural Citrus Flavored L Carnitine Supplement, Liquid L Carnitine with Vitamin V5, 16.23 Supplements don't replace the workbut they can support it L Carnitine helps your body turn fat into usable energy, so you can push harder and recover better. Consistency first. Supplements second. Results