L Carnitine vs CLA: Which Non Stimulant Fat Burner Fits You? MCT OIL (8 fl oz) NEW! L Carnitine, Pink Lemonade, 12 fl oz (360 ml) Say hello to this week's Supp of The Week! Conjugated Linoleic Acid (CLA) supports fat loss, boosts metabolism, preserves lean muscle, and amps up your energy levels. Whether you're hitting the gym L Carnitine vs. CLA: Two popular fat burning supplements, but how do they differ? L Carnitine helps your body turn fat into energy, while CLA targets fat storage and supports muscle preservation.