Not trying to start an argument cause I really don't care enough too. I've read a few articles with studies showing how AKG helps release insulin and insulin helps with NO2 production and thus ultimately the "pump" and Vasodilation. So in essence, you are spiking your insulin with AKG (different form of arganine) and the AKG itself is not really doing anything besides helping secretion of insulin.
Also,
NO Xplode has glycocyamine which is extremely dangerous for health of your heart and is very proven to contribute to heart disease.
Lastly, most of the NO/NO2 supplementation in studies showing it "works" was done with IV NO/NO2 and not oral. Most of the oral NO/NO2/AKG etc stuff you are taking is not bioavailable.