I tried taking 3 Thermorexins today along with 2 L-Rex and 2 Neurogenex. I felt like I could basically kill somebody.. Guess it's working..... It is that if I didn't feel shit from it that I was worried... BTW: I can take over 200mcg of Clen a day (real ones for sure) and I absolutly feel nada.. but 3 thermos and I really feel like I could stay awake for ever.