L Carnitine: Benefits, Side Effects, FAQ, Sources, and Dosage If you're putting in the work but the scale isn't moving, your body might just need a little help tapping into its fat stores. That's where L Carnitine comes in. It's not a Liquid L Carnitine is now available from @corenutritionals in their @funsweets collaboration flavors of Orange Cream, Blue Raspberry and Cherry Berry. GNC Total Lean Triple Strength L Carnitine Liquid Supports Fatty Acid Metabolism and Helps to Fuel Muscle Recovery Sugar Free Fruit Punch 16