Conclusion In conclusion, we can say that the current prevalence of persistent COVID
symptoms is striking, due to oxidative stress that plays an important role in the progression of …

Long COVID is a clinical condition that occurs in individuals with an incomplete recovery
from SARS-CoV-2 infection. Long COVID, also known as “post-acute sequelae of COVID-19 …

Food polyphenols constitute a large family of substances with beneficial properties in a large
group of communicable and non-communicable diseases. These compounds support and …

Aim: To establishing the use of oral Quercetin as a potential nutraceutical against
Coronavirus Disease 2019. Methods: A descriptive, prospective longitudinal study was …

The main aspects of the antiviral, anti-inflammatory, antioxidant and hepatoprotective
properties of dihydroquercetin (DHQ), which may affect the course of COVID-19, are …

Scientific research continues on new preventive and therapeutic strategies against severe
acute respiratory syndrome Coronavirus-2 (SARS-CoV-2). So far, there is no proven curative …

Coronaviruses are enveloped positive-strand RNA viruses that belong to the Coronaviridae
family. According to the World Health Organization, this virus family has led to an …

The Mediterranean diet is a dietary pattern typical of the populations living in the
Mediterranean basin during the 50s-60s of the last century. This diet has demonstrated …

Quercetin, for its crucial properties, fulfills the need for a multifactor action that is useful for
the potential counterbalance of a COVID-19 infection. Given this background, the aim of the …

Aim The present study aimed to evaluate the effect of quercetin in COVID-19 treatment.
Methods This was a single-centre, prospective randomised controlled cohort study. Routine …