Research & source methods
How NutraFavorites finds, separates, verifies and updates material facts.
Evidence standard
Evidence methodology
Study context, confidence and limitations.
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Source ledger
Evidence library & verification ledger
Authoritative sources, evidence boundaries, review status and product-verification gaps.
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Source standard
Source policy
Our hierarchy for labels, public agencies and research sources.
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Scoring standard
Score methodology
Weights, penalties, confidence and versioning.
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