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.