Seriously nobody's gonna come out n be like yeaaahhh!!!! Put that **** in ur delt bra!!!
Uh, you already did it sub q? Why not lower the dose and go IM. Bluelight might have reports on the subject. I would imagine putting that chemical into your body in such a manner would get you really jacked up. IV would be faster than IM; IM would be faster than sub q. If you get the dosage wrong you could have a heart attack. Still want to try?
I've done some crazy psychedelics (2c-b, e, d, t7) oraly, smoked, and IN. There is a big difference in effects from different administration routes. When taking 2c-e oraly, 15-20mg was about right; IN (felt like snorting blisteringly hot broken glass, never again) only took 5mg and got way more intoxicated than I wanted. Sometimes faster isn't better, it's just stupid.
If I had pure ephedrine hcl, I might be inclined to rail it. But I wouldn't use it for the gym. Sounds like a party drug, not a performance enhancer. Again, tachycardia would be my concern.