This is not a SFW instance. NSFW communities will be tagged, and efforts will be made to keep SFW communities clean, but proceed at your own comfort level.
University of Florida professor Christopher McCurdy has accepted travel reimbursements, donations to his university’s foundation and funding for symposiums from the American Kratom Association. None of this is mentioned in the papers he publishes.
Kratom is revolting stuff.
Prescription painkillers are worse by several orders of magnitude. There’s a reason why the DEA gave up on trying to ban kratom.