Acetyl L Carnitine (ALCAR) Supplement for Horses Mad Barn Supplement of the week: L Carnitine! This one doesn't just boost fat metabolismit can also improve recovery, endurance, and even brain function. If you're serious about performance and longevity, this might be Acetyl L Carnitine is more thought of as a fat burner. It's actually powerful tool for athletes looking to improve endurance, energy, and mental performance. Here's how you can integrate it into your routine for Revisiting the Role of Carnitine in Heart Disease Through the Lens of the Gut Microbiota Research Breakdown on L Carnitine Examine