Emotion suppression - This part has long been described as becoming much more popular than with other stimulants, and is also in-line Along with the observed emotion-suppressing effects that have been observed with other stimulants, but specifically methylphenidate and linked compounds. 4F-MPH has a particularly brief record of leisure use. https://johnnytttsr.activosblog.com/29551659/fascination-about-4f-php-effects