Methylphenidate, The active ingredient in Ritalin, works by influencing certain substances while in the brain and nerves, specifically dopamine and norepinephrine. Impaired levels of these neurotransmitters lead to hyperactivity and reduced impulse control. Hassle-free Ordering: With the convenience of online obtaining, you can swiftly get Oxycodone over the internet from https://www.justmedusa.com/product-page/buypercocetwithoutprescription