Buy pure high quality Methylphenidate Powder online with Bitcoin - Buy legal drugs online, buy research chemicals, buy raw pharmaceutical powders. Methylphenidate Powder for sale overnight delivery Methylphenidate is a stimulant medication used to treat attention deficit hyperactivity disorder (ADHD) and narcolepsy. It may help to increase attention and decrease impulsiveness and hyperactivity if you have ADHD. Methylphenidate belongs to a class of drugs called central nervous system (CNS) stimulants. It works by increasing the amount of the chemicals norepinephrine and dopamine in your brain. Product Name: Methylphenidate Cas No: 113-45-1 Formula: C14H19NO2 Appearance: White powder Purity: above 98.5%