Pycnogenol has shown improvement of Attention Deficit/Hyperactivity Disorder (ADHD) in this contribution to European Child & Adolescent Psychiatry. Results show that after one month of Pycnogenol administration, hyperactivity was reduced and visual-motoric coordination and concentration was improved in children with ADHD. A relapse occurred after the administration of Pycnogenol was stopped, pointing to Pycnogenol’s use in treatment.