Article Publish Status: FREE
Abstract Title:

A systematic review on the effects ofsupplementation on cytokine levels: Is there a role in COVID-19?

Abstract Source:

Metabol Open. 2021 Jul 29:100115. Epub 2021 Jul 29. PMID: 34341776

Abstract Author(s):

Monique Aucoin, Valentina Cardozo, Meagan D McLaren, Anna Garber, Daniella Remy, Joy Baker, Adam Gratton, Mohammed Ali Kala, Sasha Monteiro, Cara Warder, Alessandra Perciballi, Kieran Cooley

Article Affiliation:

Monique Aucoin


COVID-19 is the respiratory illness caused by the novel coronavirus, SARS-CoV-2. Cytokine storm appears to be a factor in COVID-19 mortality.species have been used historically for immune modulation. A previous rapid review suggested thatsupplementation may decrease the levels of pro-inflammatory cytokines involved in cytokine storm. The objective of the present systematic review was to identify all research that has assessed changes in levels of cytokines relevant to cytokine storm in response to administration ofsupplementation. The following databases were searched: Medline (Ovid), AMED (Ovid), CINAHL (EBSCO), EMBASE (Ovid). Title and abstract screening, full text screening, and data extraction were completed in duplicate using a piloted extraction template. Risk of bias assessment was completed. Qualitative analysis was used to assess for trends in cytokine level changes. The search identified 279 unique publications. After full text screening, 105 studies met criteria for inclusion including 13 human studies, 24 animal studies, and 71orstudies. The data suggest thatsupplementation may be associated with a decrease in the pro-inflammatory cytokines IL-6, IL-8, and TNF, as well as an increase in the anti-inflammatory cytokine IL-10. The risk of bias in the included studies was generally high. While there is currently no substantive research on the therapeutic effects ofin the management of either cytokine storm or COVID-19, the present evidence related to the herb's impact on cytokine levels suggests that further research may be warranted in the form of a clinical trial involving patients with COVID-19.

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