Following oral dosing of radiolabelled methylphenidate in humans, about ninety% of the radioactivity was recovered in urine. The most crucial urinary metabolite was PPAA, accounting for roughly eighty% from the dose. The security of Concerta was evaluated in 3782 paediatric and adult patients with ADHD who participated in 12 open https://www.pillshop.co.uk/product/buy-concerta-online/