Vitamin D does not protect consumers from COVID-19: Study

*Experts, however, say Vitamin D does play an important role in consumers’ overall health and wellness

Isola Moses | ConsumerConnect

Recent studies have highlighted countless benefits associated with maintaining healthy levels of Vitamin D, including lowering cancer risk, reducing vertigo-related symptoms, and improving consumers’ ability to exercise.

Researchers are exploring how the Vitamin impacts the Coronavirus (COVID-19), including its protective benefits.

According to experts, there is no evidence that indicates Vitamin D can protect consumers from the Coronavirus or reduce the severity of the infection.

The researchers wrote: “Vitamin D supplementation as a public health measure to improve outcomes is not supported by this study.

“Most importantly, our results suggest that investment in other therapeutic or preventive avenues should be prioritised for COVID-19 randomised trials.”

In exploring the fact that Vitamin D does not protect against COVID-19, and understanding what impact the Vitamin has on COVID-19, the researchers adopted a genetic approach for the study.

They applied a Mendelian randomisation technique, which analyses DNA and determines health risks based on genetic variations.

This study included over 1.2 million people without COVID-19 and more than 4,100 people with COVID-19 to determine how Vitamin D levels played a role in infection risk.

The researchers, eventually, did not identify a link between Vitamin D and COVID-19. This was true in terms of participants contracting the virus and the severity of the infection, they noted.

Dr. Guillaume Butler-Laporte, a researcher, said: “Most Vitamin D studies are very difficult to interpret since they cannot adjust for the known risk factors for severe COVID-19 (e.g. older age, institutionalisation, having chronic diseases) which are also predictors of low Vitamin D.

“Therefore, the best way to answer the question of the effect vitamin D would have would be through randomised trials, but these are complex and resource intensive, and take a long time during a pandemic.”

Butler-Laporte stated that “Mendelian randomisation can provide more clear insights into the role of risk factors like vitamin D because they can decrease potential bias from associated risk factors like institutionalisation and chronic disease.

“Here, this method does not clear evidence that vitamin D supplementation would have a large effect on COVID-19 outcomes.”

Though reports have indicated that higher Vitamin D levels can serve as a layer of protection against COVID-19 and even help consumers keep their symptoms mild, the researchers say this is not the case.

Additionally, they do not recommend that consumers increase their vitamin D intake in an effort to protect against COVID-19; while the supplement does have other benefits, their work showed there is no correlation between Vitamin D intake and reduced risk or severity of the virus.

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