i took it. it is basically speed. if you have an anxiety disorder, watch out because it can make things rough. Provigi made me feel great for a while but I would start to crash when it wore off and crash and get depressed.
Just to make thing really clear here. There is absolutely no structural or functionnal similarities between speed and provigil. I am sorry but its not even a stimulant, it promote wakefullness emphasis on the promote here. If you had told me Ritalin (Methylphenidate) was basically like speed i would have agreed to some level with you but its really not the case with provigil its in a class of its own absolutely no link to amphetamines. I took it and it actually helped my DR/DP, depression and anxiety. We have to be carefull on stating "truth" base only on our own experience it could lead people not to try meds that could be very helpfull. Sorry that it didn't help you but it did helped me a lot.
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