Tried this one. First time 200mg, followed by 100 mg after 2 hours. Noticeable stimulation after first hour, mild euphoria, some mood elevation, feel a little bit jittery. Another 100mg were taken. Euphoria is still persisted, little more jittery, willing to communicate is increased due to every minor detail may piss me off badly, feeling like my speech is improved and became more fluent, but it may be just self-suggestion, feeling piracetam-like nootropic effect. Effects were persisted for another 3 hours, then dropped of imperceptibly. No hangover after all, but still a little bit jittery. Falling asleep is quite difficult, so better avoid taking before 15.00.
Another 100 mg. experience were quite like first one with 200mg dose, but effects were barely noticeable, faded away after 4 hours and leaved me with quite unpleasant feeling of general numbness and decreased speed of psycho-motor reactions for good 4 hours (strange after-effect though).
Effects of fenotropil are quite distinguish from that of amphetamine. In fact fenotropil is more "goofy" and less "serious", than amphetamine and doesn't provide feelings of confidence and power, neither feeling of noticeable increasing of body energy. Fenotropil molecule is looks alike aminorex molecule, so they can share some of the main effects, but I never tried aminorex and have absolutely no idea what it's action like. Fenotropil stimulant action is observable fully in physical activity. Especially in aerobic activity, less in anaerobic. Increase resistance to cold.
All data is subjective.
It can enduce fast unmotivated mood swings (from sub-depressive, to hypo-maniacal state) for 2 days or so after the day of the usage in persons with hysterical personality disorder with doses from 100mg. (One occasion)
Also it may induce panic-attacks if user is suffer from asthenia (astenodepressive disorder) in doses from 100mg. (One occasion)
If single dose exceed 500mg it can provoke panic attacks and confusion.
Please, excuse my harsh English.