Cognitive Supplements Nootropics to Fuel Your Brain Momentous Acetyl L Carnitine 500 mg Veg 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 Acetyl L Carnitine Confident Health L Carnitine Acetyl L Carnitine