St. John's wort, valerian, kava, ashwagandha, saffron and oral lavender lack adequate product-specific pregnancy and lactation evidence; nonpregnant extract studies do not validate retail products.
- Public-source certainty descriptor
- Very low product-specific certainty
- Formal appraisal
- Not started — full text and independent appraisal pending
- Exposure window
- Pregnancy and lactation
- Comparator
- Botanical product versus established psychiatric treatment
No adequate comparative pregnancy effectiveness data
Species, extraction, dose, mixtures, contaminants and lot variation undermine extrapolation
Sources, citation controls, and verification state
Linked sources
- evidence_gap; formulation_boundaryEXT-134 · Not formally appraised
- claim- or inventory-linked URL; title not extractedURL-1760B9AB2B13 · Unverified metadata
- PMID
- 28511598
- DOI
- Pending DOI verification
- Exact locator
- Pending exact table/figure/page/supplement locator
- Access date
- 2026-07-29
- Integrity check
- Same-day source surveillance recorded; source-by-source correction/retraction verification remains pending
- Internal verification
- Source-linked; independent external verification pending