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 Acetyl L Carnitine Divine Bounty Male Energy Boost Clinic Pasadena CA L Carnitine Shots Role of L carnitine in exercise training: Anti inflammatory, antioxidant, and metabolic interactions ScienceDirect