4F-MPH methylphenidate skype: diana09773
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US $ 1 / g
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4F-MPH (4′-fluoro-methylphenidate) is a stimulant, substituted phenethylamine, piperidine, and close analog of methylphenidate (ritalin). The two substances have very similar pharmacological mechanisms but distinctively different subjective effects as 4F-MPH can be considered significantly more euphoric and recreational in its experience. It also acts as a higher efficiency dopamine reuptake inhibitor than the closely related methylphenidate. It was initially developed as a replacement for ethylphenidate which became illegal in the United Kingdom on April 10, 2015 due to a temporary blanket ban. Anecdotal reports suggest that it is considerably more potent with fewer uncomfortable side effects such as anxiety, muscle spasms and compulsive redosing.
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