Dietary supplements and nutraceuticals for COVID-19 prevention and treatment


The year 2020 saw scientists and the medical community scrambling to repurpose or discover novel host-directed therapies against the coronavirus diseases 2019 (COVID-19) pandemic caused by the spread of the novel Severe acute respiratory syndrome-related coronavirus 2 (SARS-CoV-2).

This rapid effort led to the identification of some promising pharmaceutical therapies for hospitalized patients, such as remdesivir and dexamethasone. Furthermore, most societies have adopted non-pharmacological preventative measures such as utilizing public health strategies that reduce the transmission of SARS-CoV-2.

However, during this time, many individuals sought additional protections via the consumption of various dietary supplements and nutraceuticals that they believed to confer beneficial effects.

For the purpose of this review, some of the main dietary supplements and nutraceuticals that are currently under investigation for their potential prophylactic and therapeutic applications were highlighted.

These include n-3 PUFA, zinc, vitamins C and D, and probiotics. Overall, further study is required before evidence-based recommendations can be formulated, but nutritional status plays a significant role in patient outcomes, and these products could help alleviate deficiencies.

Lordan R, Rando HM, Consortium CR, Greene CS. Dietary Supplements and Nutraceuticals Under Investigation for COVID-19 Prevention and Treatment. ArXiv [Preprint]. 2021 Feb 3:arXiv:2102.02250v1

Photo by Pille-Riin Priske on Unsplash

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