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 Frontiers Ameliorating effects of L carnitine and synbiotic co supplementation on anthropometric measures and cardiometabolic traits in women with obesity: a randomized controlled clinical trial 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 L Carnitine