Oxidative stress is a pivotal point in the pathophysiology of COVID-19 and presumably also
in Long-COVID. Inflammation and oxidative stress are mutually reinforcing each other, thus …

Since the outbreak of the coronavirus disease 2019 (COVID-19) pandemic, caused by the
severe respiratory syndrome coronavirus 2 (SARS-CoV-2), millions of people have died …

Background Inflammation and oxidative damage caused by severe infections may be
attenuated by vitamin C. Methods We conducted a systematic review of randomized …

In 1747, an important milestone in the history of clinical research was set, as the Scottish
surgeon James Lind conducted the first randomized controlled trial. Lind was interested in …

Background This meta-analysis aimed at investigating the pooled evidence regarding the
effects of intravenous vitamin C (IVVC) on mortality rate in critically ill patients. Methods …

Introduction Micronutrients are clinically important in managing COVID-19, and numerous
studies have been conducted, but inconsistent findings exist. Objective To explore the …

Background and aims A healthy diet play an important role in the prevention and even
treatment of various diseases. Proper nutrition plays an important role in boosting of immune …

Abstract Purpose of Review Our goal is to provide the most recent and accurate scientific
evidence available regarding COVID-19's interaction with the human gut and the role of …

This review aims to evaluate the efficacy of any vitamin administration (s) in preventing and
managing COVID-19 and/or long-COVID. Databases were searched up to May 2023 to …

This review will provide an overview of the immune system and then describe the effects of
frailty, obesity, specific micronutrients and the gut microbiota on immunity and susceptibility …