http://deepweb4wt3m4dhutpxpe7d7wxdftfdf4hhag4sizgon6th5lcefloid.onion/blog/newest/differences-between-amphetamine-and-methamphetamine
Since methamphetamine is a derivative of amphetamine, it falls under this category as well. Methamphetamine and amphetamine have very similar effects when compared. Both substances produce stimulation and euphoria. Any of these medications will significantly enhance your focus, and they will make you forget about fatigue.