I don't think this is something scammers would bother with trying to push bunk products of. In my experience miltiorrhiza is a mild but useful benzo replacement or aid for sleep and coming down, I've often taken it together with mulungu tea. Sorry, not helping with sourcing even if I understand your worry. My go to vendor has been off-line for a couple months because of moving warehouse, so couldn't recommend them even if I could.