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Quercetin explained

Quercetin is a flavonoid antioxidant used for immune, allergy, and cardiometabolic support; human outcomes evidence varies.

Not FDA Approved

Quercetin helps treat

• Seasonal allergy support (adjunct)
• Immune and antioxidant support
• Cardiometabolic markers (limited evidence)
• Exercise recovery (preliminary)


additional medications

• Mediterranean‑style diet
• Resveratrol or curcumin
• Allergy management strategies

medication risks

• Interactions with anticoagulants/antibiotics/other meds
• Renal concerns at very high doses

side effects

• GI upset
• Headache
• Tingling (paresthesia)

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FAQs

Q: With vitamin C/bromelain?
A: Common combinations aim to improve absorption and synergy.

Q: Drug interactions?
A: May interact with antibiotics, blood thinners, or chemo agents—review with clinician.

Q: Kidney concerns?
A: Very high doses may affect kidneys—avoid excessive use.

Q: FDA approval?
A: No—supplements aren’t FDA‑approved to treat disease.

Q: Timing?
A: With meals to improve tolerance.

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