I know this forum has been dead for a while now, but I feel I can provide some insight as to the quality of 4-flouromethamphetamine. I personally have performed many experiments (all but one through oral ingestion, the other via insufflation) with this particular RC...more so than any of the other RC's of its type. For me and my associates who have involved themselves in experiments with this RC, we have had nothing but positive results. I find my particular dose range to be between 50mgs and 150 mgs. taking it in lower doses such as 15mgs we find there to be mild stimulation, but not to the point of needing to get up and do something. One can easily ignore the stimulation and merely play games or watch tv or go about any of their other typical day to day activities. The euphoria sets in as well at low doses, but is very mild. Some stimulation of the senses is present, such as (but not limited to): more vivid colors, pleasant tactile qualities (rubbing of pants or other surfaces nearby for enjoyment), etc., etc.. At my dose range that all of my associates have used for themselves as well, it provides the same effects every use without fail. Euphoria is highly noticeable, a stimulating effect similar to blending cocaine with ADHD medication. It can get to be a jittery stimulation as you raise the dose to upwards of 120mgs. I find the toxicity rate to be low in regards to overdose abilities and even addictive qualities. Before I extended any invitation to my associates, I felt it was neccessary to have me and the other 2 people who had been involved from the beginning to keep exceeding our dose range at higher and higher levels in order to gauge the ability to harm oneself via intoxication. I personally took a total of approximately 1000mgs over the course of 5 hours, and obviously was kept awake for 2 days straight. The euphoria got extremely intimate at these high levels, but not so intimate that it becomes burdensome. Though the stimulation can be overbearing at times. When exceeding 100mgs in a single dose, some mild visual hallucinations became evident. Not an LSD kind of hallucination where things appear with no rhyme or reason, but more so as with taking low doses of mushrooms (most visuals are in the peripheral areas, lights give off a kaleidoscope of colors, text of any sort tends to dance around [the smaller it is the more it dances], etc., etc.). Through all of these experiments, the only drawback has been in regards to a persons diet in the hours before ingestion. When people hadn't eaten recently, and ingested the dose, they would vomit within about 2 hours of ingestion. Though this is expected with any stimulant. Overall, I personally rate this as a solid A+, for it has gone above and beyond my expectations in all ways. I have noted not a single negative repercussion in regards to this RC. By the way, 4-flouroamphetamine is not to be shortened to 4-FA. It is properly reffered to as 4-FMP. the "P" makes no sense to me personally, though that is how it is. Not being a dick to those of you who mislabeled it as 4-FA...but just trying to educate!