Day 2 - Push Day - BSN NO-Xplode RTD - good workout. No crash. Energy throughout.
Day 3 - Pull Day - AEN Presurge Unleashed - Good Energy. I felt like I could keep going. No crash.
Day 4 - Arms - MuscleMeds NO Bull XT
All were stacked with Purus Labs Noxygen.
The rankings
1) MuscleMeds NO Bull XT
2) AEN Presurge Unleashed
3) BSN NO-Xplode
4) ABB N.O. Speed Stack