Emotion suppression - This part is claimed as staying much more well known than with other stimulants, and is also in-line with the famous emotion-suppressing effects that have been noticed with other stimulants, but particularly methylphenidate and relevant compounds. 4F-MPH has likely for abuse on par with that of amphetamine https://4f-php51457.alltdesign.com/everything-about-4f-php-49975509