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Nutrients ; 13(3)2021 Mar 17.
Article in English | MEDLINE | ID: covidwho-1138747


At the end of 2019, a new coronavirus (COVID-19) appeared on the world scene, which mainly affects the respiratory system, causing pneumonia and multi-organ failure, and, although it starts with common symptoms such as shortness of breath and fever, in about 2-3% of cases it leads to death. Unfortunately, to date, no specific treatments have been found for the cure of this virus and, therefore, it is advisable to implement all possible strategies in order to prevent infection. In this context, it is important to better define the role of all behaviors, in particular nutrition, in order to establish whether these can both prevent infection and improve the outcome of the disease in patients with COVID-19. In the literature, it is widely shown that states of malnutrition, overweight, and obesity negatively affect the immune system, leading to viral infections, and several studies have shown that nutritional interventions can act as immunostimulators, helping to prevent viral infections. Even if several measures, such as the assumption of a specific diet regimen, the use of dietary supplements, and other similar interventions, are promising for the prevention, management, and recovery of COVID-19 patients, it is important to highlight that strong data from randomized clinical trials are needed to support any such assumption. Considering this particular scenario, we present a literature review addressing several important aspects related to diet and SARS-CoV-2 infection, in order to highlight the importance of diet and supplementation in prevention and management of, as well as recovery from COVID-19.

COVID-19/prevention & control , Dietary Supplements , Nutritional Status , Diet , Humans
Int J Mol Sci ; 21(9)2020 Apr 28.
Article in English | MEDLINE | ID: covidwho-133432


BACKGROUND: On the 31 December 2019, the World Health Organization (WHO) was informed of a cluster of cases of pneumonia of unknown origin detected in Wuhan City, Hubei Province, China. The infection spread first in China and then in the rest of the world, and on the 11th of March, the WHO declared that COVID-19 was a pandemic. Taking into consideration the mortality rate of COVID-19, about 5-7%, and the percentage of positive patients admitted to intensive care units being 9-11%, it should be mandatory to consider and take all necessary measures to contain the COVID-19 infection. Moreover, given the recent evidence in different hospitals suggesting IL-6 and TNF-α inhibitor drugs as a possible therapy for COVID-19, we aimed to highlight that a dietary intervention could be useful to prevent the infection and/or to ameliorate the outcomes during therapy. Considering that the COVID-19 infection can generate a mild or highly acute respiratory syndrome with a consequent release of pro-inflammatory cytokines, including IL-6 and TNF-α, a dietary regimen modification in order to improve the levels of adiponectin could be very useful both to prevent the infection and to take care of patients, improving their outcomes.

Antioxidants/administration & dosage , Betacoronavirus , Coronavirus Infections/immunology , Coronavirus Infections/therapy , Diet , Dietary Supplements , Pneumonia, Viral/immunology , Pneumonia, Viral/therapy , Adiponectin/metabolism , Ascorbic Acid/administration & dosage , COVID-19 , Coronavirus Infections/metabolism , Fatty Acids, Omega-3/administration & dosage , Fatty Acids, Omega-3/metabolism , Flavonoids/administration & dosage , Humans , Interleukin-6/immunology , Interleukin-6/metabolism , Lung Diseases/immunology , Lung Diseases/metabolism , Lung Diseases/therapy , Pandemics , Pneumonia, Viral/metabolism , SARS-CoV-2 , Tumor Necrosis Factor-alpha/metabolism