Drug info - swim is tired of scripts and has a q?

[RX420]

Swim ia very sorry if this asked so much, but my friend got a few head on collisions the past few years and is tired of having to take the strongest and most addictive things out.

would kratom extracts or powder drinks, etc... at medium/higher dosages(how much would swiy think for severe pain?) be good for a nice feeling and rid his neck/shoulder and migraines and back/knee pains??

and if so how often should he redose? can he take them with perhaps one T4 or perc??