Quercetin
Quercetin is a flavonoid antioxidant found in many fruits and vegetables. It has anti-inflammatory, anti-allergic, and potential senolytic (anti-aging) properties.
Research Level: Some human trials show benefits
Dosage
500-1000mg daily; often combined with vitamin C or bromelain for absorption
When to Take
Take with meals. For allergies, start 2 weeks before allergy season.
Benefits
- ✓Powerful anti-inflammatory
- ✓Reduces allergy symptoms
- ✓Supports immune function
- ✓Potential senolytic effects (clears senescent cells)
- ✓Supports cardiovascular health
- ✓May improve exercise performance
How It Works
Quercetin inhibits inflammatory enzymes and histamine release. As a senolytic, it may selectively clear damaged 'zombie' cells that contribute to aging. It also supports immune cell function.
Food Sources
Possible Side Effects
- •Generally well-tolerated
- •May cause headache or tingling at high doses
- •GI upset possible
- •Rare: kidney damage at very high doses
Drug Interactions
- •Blood thinners
- •Antibiotics (may reduce effectiveness)
- •Cyclosporine
- •Some chemotherapy drugs
What to Look For
- →Quercetin phytosome or with bromelain (better absorption)
- →Third-party tested
- →Standardized extract
Medical Disclaimer
This information is for educational purposes only and should not be considered medical advice. Always consult with a qualified healthcare provider before starting any supplement, especially if you have existing health conditions or take medications. Supplements are not FDA-approved to diagnose, treat, cure, or prevent any disease.