Abstract: 1
Synergistic Effect of Quercetin and Vitamin C Against COVID-19: Is A Possible Guard
for Front liners?
Bengu Arslan1, Nurcan Ucuncu Ergun1, Seyma Topuz1, Seda Yilmaz Semerci2, Nurettin
Suner3, Ali Kocatas4, Hasan Onal1
1Istanbul
Kanuni Sultan Suleyman Training and Research Hospital, Department of Pediatric
Nutrition and Metabolism Clinics, Istanbul, Turkey
2Istanbul
Kanuni Sultan Suleyman Training and Research Hospital, Department of
Neonatology, Istanbul, Turkey
3Istanbul
Kanuni Sultan Suleyman Training and Research Hospital, Department of General
Medicine, Istanbul, Turkey
4Istanbul
Kanuni Sultan Suleyman Training and Research Hospital, Departmento f General
Surgery, Istanbul, Turkey
Bengu Arslan, Postdoctorate Fellow of Pediatric Nutrition and Metabolism, Istanbul Kanuni
Sultan
Suleyman
Training
and
Research
Hospital,
Department
of
Pediatrics,
Istanbul/TURKEY
Nurcan Ucuncu Ergun, Postdoctorate Fellow of Pediatric Nutrition and Metabolism, Istanbul
Kanuni Sultan Suleyman Training and Research Hospital, Department of Pediatrics,
Istanbul/TURKEY
Seyma Topuz, Nutritionist, Istanbul Kanuni Sultan Suleyman Training and Research Hospital,
Department of Pediatric Nutrition and Metabolism, Istanbul/TURKEY
Seda Yılmaz Semerci, Neonatalogist, Istanbul Kanuni Sultan Suleyman Training and Research
Hospital, Division of Neonatology, Istanbul/TURKEY
Nurettin Suner, Medical Doctor, Istanbul Kanuni Sultan Suleyman Training and Research
Hospital, Division of General Medicine, Istanbul/TURKEY
This preprint research paper has not been peer reviewed. Electronic copy available at: https://ssrn.com/abstract=3682517
2
Ali Kocatas, Professor of General Surgery, Istanbul Kanuni Sultan Suleyman Training and
Research Hospital, Department of General Surgery, Administrator/Director of Hospital,
Istanbul/TURKEY
Hasan Onal, Professor of Pediatrics, Istanbul Kanuni Sultan Suleyman Training and Research
Hospital, Chief of Pediatric Nutrition and Metabolism Department, Istanbul/TURKEY
Running title: Quercetin and Vitamin C Supplement Against COVID-19
*Corresponding
author: Hasan Onal, MD
Word Count: 1835
Number of Figures: 2
Number of Tables: 3
Turgut Özal Bulvarı No: 1, 34303 Ataşehir
Küçükçekmece, İstanbul / TURKEY
Tel: +90 532 509 29 88; Fax: 0 212 571 47 90
E-mail: hasanonal@hotmail.com
ORCID ID: https://orcid.org/0000-0001-9676-7086
This preprint research paper has not been peer reviewed. Electronic copy available at: https://ssrn.com/abstract=3682517
3
Summary
Background While waiting for vaccine, hygiene measures, social distance and personal
protective equipment are the only basic protection against Novel Coronavirus. However, these
are not sufficient to protect healthcare workers.This study aimed to evaluate if quercetin and
vitamin C could be protective against Novel Coronavirus.
Methods In prophylaxis group supplementation containing 500mg of quercetin, 500mg of
vitamin C and 50mg of bromelain (QCB) was initiated daily in 2 divided doses for 71
healthcare workers working in areas with high risk of COVID-19, whereas 42 were determined
as control group without using supplements.A maximum period of follow-up was determined
as 120 days.Termination of use of QCB earlier or having a Coronavirus infection was
considered as final point.At the end rapid diagnostic test used to detect immunoglobulin
positivity.
Results A total of 113 persons included. No significant difference detected between groups in
terms of other features.Mean age of..
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