5-HTP: what the evidence actually shows
settled 5-HTP — niche; modest evidence and a real serotonergic interaction risk
Reviewer and governance status are shown on each atomic claim below.
What it is
5-HTP is tracked as a health intervention in this evidence graph. No additional aliases are recorded.
Studied forms and doses
No form-specific catalog record is available. This does not mean all forms are equivalent.
Studied dose and protocol bounds are not reported.
Mechanisms
Mechanistic plausibility is context, not proof that a clinical outcome improves.
No structured mechanism is recorded.
⚠ Safety in context
- seriouswith SSRI: 5-HTP raises serotonin; with an SSRI this risks serotonin syndrome. Do not combine without medical supervision.
Products and verification
No product label snapshot is mapped in this released catalog. Ingredient evidence does not establish any bottle’s identity, potency, purity, availability, or value.
Evidence by outcome
Grade history
- C → CCorrection by Claude (gold-standard provenance sweep): live Postgres source drift replaced with the verified seed source set [pmid-33375373] details →
- C → CCorrection by Claude (gold-standard provenance sweep): live Postgres source drift replaced with the verified seed source set [pmid-11687048] details →
Re-review cadence: every 6 months (Grade C+) · next scheduled by · methodology v1.
By outcome — the money pages
Compare
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More
Cite this page
Citation is encouraged. The proposed reuse license is CC-BY-4.0; status: pending-governance-ratification.
Plain-text citation
Substrate. 5-HTP: what the evidence actually shows. https://evidencebased.info/interventions/5htp. Updated 2026-07-16.
BibTeX
@misc{substrate_nfointerventions5htp,
author = {Substrate editorial},
title = {5-HTP: what the evidence actually shows},
year = {2026},
url = {https://evidencebased.info/interventions/5htp},
note = {evidencebased.info}
}