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All Studies   Meta Analysis   Recent:  

Quercetin for COVID-19: real-time meta analysis of 11 studies

Covid Analysis
Sep 2023  
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• Statistically significant lower risk is seen for ICU admission, hospitalization, recovery, cases, and viral clearance. 10 studies from 8 independent teams in 7 countries show statistically significant improvements.
• Meta analysis using the most serious outcome reported shows 49% [21‑68%] lower risk. Results are similar for Randomized Controlled Trials and higher quality studies, better after excluding studies using combined treatment, and slightly worse for peer-reviewed studies.
• Results are robust — in exclusion sensitivity analysis 8 of 11 studies must be excluded to avoid finding statistically significant efficacy in pooled analysis.
• Studies typically use advanced formulations for greatly improved bioavailability.
• No treatment or intervention is 100% effective. All practical, effective, and safe means should be used based on risk/benefit analysis. Multiple treatments are typically used in combination, and other treatments may be more effective. The quality of non-prescription supplements can vary widely Crawford, Crighton.
• All data to reproduce this paper and sources are in the appendix. Cheema present another meta analysis for quercetin, showing significant improvements for ICU admission and hospitalization.
Covid Analysis et al., Sep 2023, preprint, 1 author.
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Please send us corrections, updates, or comments. Vaccines and treatments are complementary. All practical, effective, and safe means should be used based on risk/benefit analysis. No treatment, vaccine, or intervention is 100% available and effective for all current and future variants. We do not provide medical advice. Before taking any medication, consult a qualified physician who can provide personalized advice and details of risks and benefits based on your medical history and situation. FLCCC and WCH provide treatment protocols.
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