Amazon.com: Natures Craft Cleansing Herbal Liver Detox Gummies Liver Support Milk Thistle Gummies with Artichoke Extract Turmeric Curcumin and L Carnitine Vegan and Non GMO Sweet Lemon (30 Servings) : Everything Else Liquid L Carnitine Energy, Metabolism & Fat Burning Carnitine metabolism in the human gut: characterization of the two component carnitine monooxygenase CntAB from Acinetobacter baumannii Journal of Biological Chemistry Biomedical Reports Early research into L carnitine was often cited as underwhelming, showing negligible changes in muscle carnitine content and fat loss outcomes. However, these findings may have been limited by a short study window