Canonical Source · government document

Know the Science of Complementary Health Approaches: What the Science Says

This page documents how this source is reused across Claim by Claim. A source can support, challenge, qualify or contextualize different claims; appearing here does not imply endorsement of every linked proposition.

Publisher: National Center for Complementary and Integrative Health
Source type: government document
Source level: Secondary / synthesis / context
Knowledge backlinks: 1

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Evidence context

How this source is used

Evidence roles describe what this source helps establish inside each Investigation. They are local to that use, not permanent labels attached to the publication itself.

Investigation

Are natural ingredients generally safer than synthetic ones simply because they are natural?

Contextualizes

Manufacturing, extraction, concentration and contamination can matter for a specific product, but those measurable properties are different from a blanket natural-versus-synthetic safety rule.

Challenges

NCCIH and FDA guidance explicitly warn that natural origin does not establish safety; natural products can be toxic, allergenic or interact with medicines.

Subject families

Food & chemistry Health & medicine