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Propolis
Propolis
Low concern
Propolis has long folk-use; modern studies show antimicrobial and anti-inflammatory activity. Allergic reactions including contact dermatitis are common in sensitized individuals.
Found in
50 products
What it is
A resinous substance collected by honeybees from tree buds and used to seal hives; sold as a supplement and natural antimicrobial.
Supplement; flavoring/natural preservative in some products.
Why it's flagged
- allergic reactions
- bee-product allergen
What regulators actually say
"Propolis exhibits a wide range of biological activities, but allergic contact dermatitis from propolis is well documented."
Regulatory status
United States — FDA
Marketed as supplement / natural product
European Union — EFSA
Considered a traditional food/supplement
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