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COVID-19, the Gut, and Nutritional Implications.

Matthew G Bell1, Ravindra Ganesh2, Sara L Bonnes3

  • 1Department of Internal Medicine, Mayo Clinic, 200 1st Street SW, Rochester, MN, 55905, USA.

Current Nutrition Reports
|March 9, 2023
PubMed
Summary

COVID-19 commonly affects the gut, with persistent symptoms. A balanced diet and probiotics may help prevent severe illness, but specific vitamin supplements lack proven benefits for prevention or treatment.

Keywords:
COVID-19MicrobiomeNutritionSARS-CoV-2

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Area of Science:

  • Gastroenterology
  • Infectious Diseases
  • Nutritional Science

Background:

  • Gastrointestinal symptoms are frequent in COVID-19, often lingering post-infection.
  • Nutritional status significantly influences infection risk and disease severity.
  • Early nutritional support improves outcomes in critically ill patients.

Purpose of the Study:

  • To review current scientific evidence on COVID-19's gut interactions.
  • To explore the role of nutrition and supplementation in COVID-19 prevention and treatment.

Main Methods:

  • Literature review of recent scientific evidence.
  • Analysis of studies on diet, gut health, and COVID-19 outcomes.

Main Results:

  • No specific vitamin regimen consistently benefits COVID-19 treatment or prevention.
  • Well-balanced diets (e.g., Mediterranean) and probiotics show promise for reducing risk/severity.
  • COVID-19's impact on the gut requires further attention.

Conclusions:

  • Lifestyle modifications, including diet and probiotics, are recommended for managing COVID-19's gastrointestinal effects.
  • Addressing nutritional deficiencies is crucial.
  • Further high-quality research is necessary to clarify the role of nutrition in COVID-19.