High doses of vitamin D have no effect on severe Covid infection - study

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Supplements to give you muscle strength as you age.
Supplements to give you muscle strength as you age.

Turns out there isn't any significant basis to suggest that vitamin D may be helpful in fighting Covid-19, the disease caused by the SARS-CoV-2 virus, according to the results of a study published in JAMA.

The study investigated whether a single high dose of vitamin D3 could reduce the length of time that severely ill Covid patients spent in hospital, but found that it had no key effect in combating the disease.

"In vitro studies or trials with animals had previously shown that in certain situations, vitamin D and its metabolites could have anti-inflammatory and antimicrobial effects, as well as modulating the immune response," explained Rosa Pereira, principal investigator of the study.

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