Does L Carnitine really help you lose weight?, In this video, I break down the science behind L Carnitine supplements like Fast&Up L Carnitine and how they may help in fat metabolism and weight L Carnitine: Benefits, Uses, Side Effects, and More How L Carnitine Supplements May Contribute to Weight Loss Best Life Carnitine: the claims and why it may not work L Carnitine for weight loss is and heres why. There is zero published scientific data to support that L Carnitine actually helps you lose body fat. I went ahead and purchased the meta analysis