
Quercetin
Plain-language research summary.
Detail
allergyantioxidantimmune
Flavonoid with antioxidant and mast-cell stabilizing properties; often paired with bromelain/vitamin C.
Common Dietary Sources
- Onions, apples, capers
How the Body Uses It
Modulates mast cells and NF-κB/oxidative pathways; may support seasonal allergy symptoms.
Supplement Origins
Purified quercetin; phytosome/complexed forms improve absorption.
Possible Uses
- Seasonal allergy support
- Antioxidant support
Long-Term Use
Generally well-tolerated at typical doses.
Dose Guidance
Studied
500–1000 mg/day (split)
Take with food if GI sensitive.
Forms
Quercetin dihydrate
Standardization varies by product.
Quercetin phytosome/complex
Standardization varies by product.
Delivery
Coming soon.
Evidence & Studies
No studies linked yet.
References
References coming soon.
Safety & Cautions
Cautions
- GI upset in some
Contraindications
No explicit contraindications listed.
Interactions
No notable interactions recorded.