This mod changes Drug Production and other drugs (Penox, Flake/Yayo, Go-Juice, Wake-Up) to the Medieval tech level along with removing industrial requirements from the Drug Lab.
I recommend using Farmable Neutroamine Medieval by JoeOwnage for maximum usability.
https://steamcommunity.com/sharedfiles/filedetails/?id=2826944163
Taking the responsibilty of medieval drugs from SirMashedPotato, thank you for your dedication please let me know if you have any issues with this.
https://steamcommunity.com/sharedfiles/filedetails/?id=2097693853
https://steamcommunity.com/sharedfiles/filedetails/?id=2194555905