Bee Propolis
Commonly used for
Immune SupportImmunity
Where to Buy
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The cheapest product is usually low quality, but more expensive doesn’t always mean better.
What is it? / Overview
Propolis flavonoids and phenolic acids modulate innate and adaptive immunity and have direct antiviral, antibacterial, and antioxidant activity in laboratory studies -- strong preclinical support, but rigorous clinical trials for a specific respiratory or immune outcome in humans are still lacking, and product composition varies enormously by source.
How is it used? / Administration
Form: Propolis (resinous hive product), ethanolic or water-soluble extract -- composition varies enormously by botanical/geographic origin
Typical dose studied: No standardized dose -- trials use varied extracts and concentrations
Timing: Not standardized
Bee-product or pollen allergy is a real, sometimes severe hypersensitivity risk (urticaria, angioedema) -- worth flagging clearly given how casually propolis is often marketed as a benign 'natural' product.
How well does it work? / Evidence
? Emerging / limited evidence
Who should avoid it?
Avoid with: Food Allergies; Asthma
Already taking it? Allergy risk in bee-product-sensitive users is the main practical concern -- otherwise reasonable to continue, though rigorous human RCTs for a specific respiratory/immune endpoint are still lacking.
Research & references
Magnavacca A et al. (2022). The Antiviral and Immunomodulatory Activities of Propolis: An Update and Future Perspectives for Respiratory Diseases. Medicinal Research Reviews. Sforcin JM (2007). Propolis and the Immune System: A Review. Journal of Ethnopharmacology.
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