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 Benefits (Simple + Shareable) 1. Fat Energy conversion * Helps transport fat into cells to be burned as energy * This is its main biological role 2. May support The Benefits (and Limitations) of L Carnitine for Fat Loss L Carnitine 1000 mg Tablets Energy & Fat Metabolism Support* NOW Supplements PDF) A Pilot Clinical Trial on L Carnitine Supplementation in Combination with Motivation Training: Effects on Weight Management in Healthy Volunteers Systemic regulation of L carnitine in nutritional metabolism in zebrafish, Danio rerio Scientific Reports