LSD and Mushrooms. They work wonders, I'd start with microdoses, though a good plateau trip works for years after.
Microdoses and an introduction to the culture of these chems, there's ever more material of these online, then, 15 years ago when I first experimented and that's both exciting and sad because if you were to rely solely on social media/reddit/twitter ancedotes you really won't get the full package.
I'd look at forums, erowid and published research journals for the full picture. :)
