Acetyl L Carnitine: Here's Why Fitness and Longevity Communities Embrace It by Dr Mehmet Yildiz ILLUMINATION Medium Acetyl carnitine improves hyperactivity and learning deficits in KAT6A haploinsufficient mice Life Science Alliance Nature's Lab CoQ10 200 mg + Alpha Lipoic Acid + Acetyl L Carnitine, 120 Vegetarian Capsules Costco If you are like a lot of people, you may have never heard of carnitine but this important nutrient is critical for our body's ability to optimally burn fat required for energy.