Day 2 - Push Day (18 sets) - VPX Redline RTD - Clean energy from start to finish and on to work. Good mood and strength in the gym. No crash.
Day 3 - Pull Day (24 sets) - GAT Nitraflex - this was a good pre-workout. Good energy, no crash, taste was O.K. The price is high.
Day 4 - Push/Pull Day (23 sets) - BSN Hyper FX with BSN Nitrix - Really good strength, veins popping.
*** stacked with Purus Labs Noxygen.
The rankings
1) BSN Hyper FX and BSN Nitrix (23 sets)
2) GAT Nitraflex (20 sets)
3) VPX Redline RTD (18 sets)
4) ON Amino Energy Chews (19 sets)