Interesting post. I can definitely identify with the journey of exercise, supplementation, and spiritual exploration.
I would like to caution you that your connection between the calming effects of vasodialation and enlightenment might be a bit superficial. It seems you have discovered what it is like to be calm, or have equanimity. While being calm is both a prerequisite and downstream effect of enlightenment, it is not to be confused with the deep knowledge of truth (enlightenment). Enlightenment is a deep subconscious insight, that becomes more likely to...
This is the happiness we are really searching for. The other kind is better described as pleasure.