WOW. First off, I want to say that SWIM's experience should be taken with a grain of salt. THIS IS BY NO MEANS MEDICAL ADVICE, BUT AN EXPERIENCE. I went to the doc today, and got a scrip of 20mg METHYLPHENIDATE tabs, GENERIC RITALIN, to be taken 3x daily. I have been taking 30 mg ADDERALL tabs from one doc, but ran out early (LOL) so saw another doc to try "Rita" as swim calls her. Keep in mind, I has had many many Rita scripts in the past, experimenting orally, nasally. Tonight was the first Rita IV. It was amazing. I weigh 209lbs. I started by crushing 1 20 mg tab, placing on spoon, mixing with purified water, filtering through q-tip cotton, and injecting into vein. SWIM chatted with someone online right after. And swim means CHATTED. Swim said it was like the peak of "E", possibly if it included meth properties. The APEX of the rush lasted possibly 30-45 mins, but I felt not undesired "comedown" effects. It was great, it may be slightly dangerous b/c of binders, but I really don't have much to live for, so it was a highlight in my own drawn-out armageddon.