If I am not mistaken, the DMAA was found only in the old version of Jack3d, and it is not found any more in the newer versions of this preworkout supplement, so if you want precisely DMAA, then you are going to be out of luck with Jack3d.
The FDA recently released the ban on DMAA. I have never heard of the FDA removing a supplement ban before. Jared Wheat from Hi-tech pharmaceuticals lobbied them hard and they eventually removed the ban. I am guessing he donated a huge amount of money into the college fund of someone on the FDA board lol.
Even though it's still legal - I would stay away from it. It is a derivative of speed. It'll wire you up and jack you up, but it'll sky rocket cortisol levels and cause you to crash hard.
Stimulants are the last thing you want as a bodybuilder. If you want a small boost before your workout, drink a small cup of black coffee.
Before my workouts I take a creatine supplement (ancient strength from n2bm.com), a b100 vitamin and a small cup of black coffee. It gives me a nice boost before my workouts without a crazy amount of stimulants and no crash. Give it a try.
Its one of those things you might just have to try for yourself. Personally I will never use stimulants in my pre workout meal because they will just cause a crash later. I also want my heart rate to be elevated by the exercise I am doing and not by a drug I put in my body.
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