Acetyl L Carnitine Hair loss is hardly a random problem. And it is rarely because you forgot collagen or biotin gummies. Most women dealing with hair thinning are also dealing with: Low energy Poor sleep Acetyl L Carnitine, 500 mg, 200 Quick Release Capsules Amazon.com: Natural Factors Acetyl L Carnitine 500 milligrams, 60 Vegetarian Capsules : Everything Else GNC Acetyl L Carnitine Alpha Lipoic Acid 500Mg 200Mg 60 Caplets (30 Servings)