Advatages =
1)Greater Intensity
2) Greater Endurance
3) Longer lasting energy with about "3 waves of energy"
First is the first 20 -30 minutes with a strong kick, then about 15 minutes later a Extreme Focus, then about 30 minute later a endorphin rush, and nice tail end to the experience like a good drug.
4) More pronounced vascularity in the muscle that are being worked and a full pumped feeling.