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SupplementScience

Quercetin Dosage Guide

This content is for informational purposes only and does not constitute medical advice. Consult your healthcare provider before starting any supplement. Full disclaimer

General Dosage

500-1000mg daily (standard quercetin) or 250-500mg daily (phytosome form)

Maximum dose: 1500mg/day (higher doses may cause GI discomfort and headache)

Dosage Recommendations

General recommendation: 500-1000mg daily (standard quercetin) or 250-500mg daily (phytosome form)

Timing: With meals containing fat to improve absorption; phytosome forms can be taken without food • Take with food for best absorption.

Dosage by Condition

Anti-inflammatory / immune support
500-1000mg daily with mealsModerate
Senolytic protocol
1000-1250mg intermittently (consult practitioner)Emerging
Blood pressure support
500mg dailyModerate
Allergy support
500-1000mg daily, starting 2-4 weeks before allergy seasonEmerging

Upper limit: 1500mg/day (higher doses may cause GI discomfort and headache)

Timing & Absorption

With meals containing fat to improve absorption; phytosome forms can be taken without food

Best taken with food for optimal absorption.

References

  1. (). Senolytics in idiopathic pulmonary fibrosis: Results from a first-in-human, open-label, pilot study. EBioMedicine. DOI
  2. (). Effects of quercetin on blood pressure: a systematic review and meta-analysis of randomized controlled trials. Journal of the American Heart Association. DOI
  3. (). Improved oral absorption of quercetin from quercetin Phytosome, a new delivery system based on food grade lecithin. European Journal of Drug Metabolism and Pharmacokinetics. DOI