Excretion Immediately after oral dosing of radiolabeled methylphenidate in people, about 90% from the radioactivity was recovered in urine. The leading urinary metabolite was ritalinic acid, accounting for about 80% on the dose. The improvement of dopamine action is considered to blame for cocaine’s “large” and its addictive Homes. After https://raelr530iqx7.bloguerosa.com/profile