Pretty interesting stuff OP, how's it all going so far? Stuff from China can be pretty sketchy, wouldn't necessarily recommend consuming that without testing it but if you do or have please let us know it is!! I think my HPA is a little messed up from GABAergic dependency and withdrawal, which led to some chronic stress for a while that's left me with fairly low stress tolerance. I think there are more important things for me to focus on than the HPA axis for right now but down the road I may want to try to fix mine if I can get out of this anhedonia I'm stuck in.
There are a decent number of other things I've heard are good for HPA issues, such as progressive labs pineal concentrate https://www.amazon.c...t/dp/B00LPFIUFQ (someone on reddit recommended it), some of the Russian peptide bioregulators, and personally I like standardized holy basil extract altho that's prob a good bit weaker than the first two things I mentioned.
If you try either of the first two things I suggested please let me know how those are as I've never tried them personally.