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All Studies   Meta Analysis    Recent:   

Relationship of quercetin intake and oxidative stress in persistent Covid

Matías-Pérez et al., Frontiers in Nutrition, doi:10.3389/fnut.2023.1278039
Dec 2023  
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Quercetin for COVID-19
24th treatment shown to reduce risk in July 2021
 
*, now known with p = 0.0031 from 11 studies.
No treatment is 100% effective. Protocols combine complementary and synergistic treatments. * >10% efficacy in meta analysis with ≥3 clinical studies.
3,800+ studies for 60+ treatments. c19early.org
Discussion of the potential of quercetin for persistent COVID-19 symptoms resulting from oxidative stress. Authors explain how COVID-19 leads to oxidative stress through inflammation, cytokine storms, and coagulation abnormalities. Quercetin is a naturally occurring flavonoid antioxidant that can neutralize free radicals, inhibit viral enzymes, reduce platelet aggregation, and have immunoprotective effects. Studies show quercetin inhibits replication of various viruses. Authors suggest a mixture of quercetin and vitamin C could disrupt SARS-CoV-2 entry, replication, and assembly while strengthening the immune response. Authors note the challenges of quercetin's bioavailability indicating that formulations for improved bioavailability are important.
Reviews covering quercetin for COVID-19 include Agrawal, Biancatelli, Derosa, Dinda, Gasmi, Georgiou, Imran, Massimo Magro, Matías-Pérez, Mirza, Rizky, Shorobi.
Matías-Pérez et al., 26 Dec 2023, peer-reviewed, 5 authors.
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Please send us corrections, updates, or comments. c19early involves the extraction of 100,000+ datapoints from thousands of papers. Community updates help ensure high accuracy. 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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