Oral Quercetin in Adult Patients as a Potential Nutraceutical against Coronavirus Disease 2019 (COVID-19)

Aim: To establishing the use of oral Quercetin as a potential nutraceutical against Coronavirus Disease 2019. Methods: A descriptive, prospective longitudinal study was carried out on 52 patients treated at the ECOMED-LAMB Clinic, in the period from the onset of Covid-19 in our country, March 3, 2020 to January 2021. Results: Were studied 52 patients COVID-19 positive, 20 (38.4%) were in preventive treatment and 32 patients (61.5%) was administered biological therapy once the diagnosis, no difference was found between female or male sex and the predominant age was those over 60 years. Twenty-four patients (70.6%) have presented at least one comorbidity. The association of hospitalization with preventive treatment was not significant (p=0.166), we observed difference in the evolution of the patients (p= 0.084). Conclusions: Quercetin could prevent and decrease the duration of SARSCoV-2 infections, it is plausible to propose the prophylactic use of this flavonoid in order to achieve clinical benefits.