Behaviors1 mentions

Avoid Kratom Before Age 24–25

Avoid kratom until brain development is complete, around age 24–25. While 18 or 21 may be socially accepted cutoffs, the preferred recommendation is to wait until 24–25.

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“And so the best recommendations are, in my opinion, getting all the way up to that 24, 25. But I would be OK with people saying 18 or 21 because that seems to be more acceptable in society as to where we've set barriers in historical precedent.”

huberman · Health Effects & Risks of Kratom, Opioids & Other Natural Occurring Medicines | Dr. Chris McCurdy · Jul 21, 2025 · 1:10:53 · open ↗

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