Acetyl L Carnitine 400 mg with Alpha Lipoic Acid 200 mg, 30 Capsules (66070) Puritan's Pride Supplement stack for ADHD focus and mood improvement Amazon.com: Acetyl L Carnitine 1,000mg Per Serving, 150 Capsules (ALCAR for Brain Function Support, Memory, Attention, and Stamina) Acetyl L Carnitine that is Third Party Tested by Double Wood : Everything Else Acetyl L Carnitine HCL 500mg per serving 180 Capsules In the double blind, placebo controlled, double crossover trial published in Prostaglandins, Leukotrienes & Essential Fatty Acids, boys diagnosed with ADHD were given acetyl L carnitine at 100 mg per kg of body weight per day, divided