Compound or practice · Supplement

Kratom (Mitragyna speciosa)

A partial-opioid leaf used for pain, energy and opioid-withdrawal self-treatment — real effects, real dependence and safety risks.

Overall grade
Grade D
Last revised
1
graded outcome
0
references listed

A structured monograph in Prometheus's bundled library. Its grades are the monograph's own reading of the evidence, not a peer-reviewed review.

1 at grade D — 1 graded row

What is known

Each outcome with its grade (how strong the evidence is, A to D), the size of the effect where the entry records one, and how often studies agree.

  • Pain / opioid withdrawalEvidence grade D

    Observational only

    Unclearlow

What is uncertain

Read off the same rows as above. Nothing here is added that the entry does not itself record.

  • Thin evidence: Pain / opioid withdrawal (grade D).
  • Caution with Sedative: Dangerous additive CNS/respiratory depression with alcohol, benzodiazepines, opioids.

Interactions

Documented pairings with supplements and medicines. A medicine on this list is a conversation for whoever prescribes it.

  • SedativeCaution

    Dangerous additive CNS/respiratory depression with alcohol, benzodiazepines, opioids.

The evidence in words

What it is

Kratom is a Southeast Asian tree whose leaves contain mitragynine; low doses stimulate, higher doses are opioid-like.

How it works

Its alkaloids are partial agonists at mu-opioid receptors (with less respiratory depression than classical opioids) plus adrenergic effects at low doses.

What the evidence shows

Human evidence is mostly observational: many people use kratom for pain, energy, or to self-manage opioid withdrawal, and it does have genuine opioid-like activity. But dependence, withdrawal, drug interactions, contamination, and case reports of liver injury and deaths (often with other substances) make it far from benign. Not a validated therapy.

Safety & interactions

Dependence and withdrawal occur; risks rise with high doses, other depressants (alcohol, benzodiazepines) and adulterated products. Liver-injury case reports exist. Legality varies by region. sedative — Dangerous additive CNS/respiratory depression with alcohol, benzodiazepines, opioids.

Bottom line

Pharmacologically real but genuinely risky and habit-forming — not a casual supplement. If used to manage opioid problems, that belongs in a clinical setting, not self-treatment.

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Sources

This entry lists no references of its own.

Last revised . A grade is this entry's reading of the evidence, not medical advice.