L Carnitine has become one of the most commonly asked about supplements over the past 18 months and I can see why when looking at all the research that has come out about Healthwise ALCAR (Acetyl L Carnitine) 150g Frontiers A machine learning approach for predicting the effect of carnitine supplementation on body weight in patients with polycystic ovary syndrome Polycystic Ovary Syndrome (PCOS): Symptoms & Nutritional Strategies. Life Extension 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