Back to Seasonal Allergies
ingestible · for seasonal allergies
Quercetin Supplement
Limited evidence$15-35
How to use
Take 500mg quercetin daily 4-6 weeks before your typical allergy season begins. Take with food.
How it works
Quercetin is a flavonoid that stabilizes mast cells and reduces histamine release - the same process targeted by antihistamine drugs. Human clinical trial data is still limited.
Where to buy
Health food stores and supplement retailers. Look for quercetin phytosome or quercetin paired with bromelain for better absorption.
Typical cost: $15-35
Safety notes
Limited human trial evidence - set expectations accordingly. Can interact with antibiotics, blood thinners, and cyclosporine. Not for use in pregnancy.