Literature and evidence database
Find the source, the model and the boundary.
Search source records connected to the product-family knowledge base. Filter by category, product, publication year, research type, study model and editorial evidence tier.
Product evidence maps
A focused source set for each product.
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Evidence records
Narrow the records by product, year or study model. Open each source to check its results and limitations.
Glutathione for skin health: systematic review
Systematic review. 2024. PMID 39444151.
Glutathione biology and homeostasis
Review. 2023. PMID 36707132.
2019 systematic review of glutathione skin outcomes
Earlier review documenting limited and inconsistent evidence; PMID 30895708.
PubChem reduced glutathione record
Sequence, formula and mass; CID 124886.
Editorial methodology
How records are classified
Records are deduplicated by source URL and linked to every relevant product family. Study type and model are inferred from the citation and editorial evidence label, then reviewed during content QA.
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Labels and databases supporting regulatory status, formulation or chemical identity.
Controlled trials, systematic reviews and other clinical records with population-specific interpretation.
Animal, cell, analytical and mechanistic records that cannot establish human outcomes.
Narrative reviews, registries and sponsor reports kept visibly distinct from peer-reviewed outcomes.
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