Vitamin D Supplements Won’t Protect You From COVID-19, Study Finds

Cara Murez HealthDay Reporter, HealthDay Reporter

(Health Day)

Thursday, September 8, 2022 (HealthDay News) — Vitamin D It was noted early in the pandemic, but two new clinical trials found it did not reduce the risk of COVID-19 or other respiratory infections.

Both studies, one in the UK and one in Norway, found that raising vitamin D levels in adults during the pandemic did not help prevent infections. respiratory virusByproducts from vitamins have long been noted for supporting the immune response against viruses and bacteria.

In the UK trial, researchers included 6,200 people aged 16 and over who were not taking vitamin D supplements at the start of the trial.

At the start of the trial, about half of the participants had their vitamin D levels tested. About 86% of them had low levels and were given 3,200 IU/day or 800 IU/day vitamin D supplements for 6 months. The remaining trial participants were neither tested nor recruited.

Regardless of dose, the researchers found no difference in diagnosed acute respiratory tract infections or confirmed COVID-19 cases. Adverse events were similar between groups.

The Norwegian trial included more than 34,700 adults not supplemented with vitamin D.Participants received either placebo or 5 milliliters daily for 6 months. cod liver oilvitamin D, vitamin A and omega-3 fatty acids in low doses.

These researchers also found no effect in acute respiratory infections or confirmed COVID-19 cases.

Test strengths used PCR test To confirm COVID-19 infection and a high level of adherence among participants.

A limitation was that in the UK trial participants who were taking vitamin D knew it and about half of the control group had taken a vitamin D supplement at least once during the trial. , with the limitations that participants were young and healthy, and that those tested started the trial with adequate vitamin D levels.

Both studies were published online on September 7. BMJMore.

Vaccines were deployed in these countries while both trials were being conducted. In an editorial accompanying the study, Peter Bergmann, a professor at the Karolinska Institutet in Sweden, said vaccination remains the best way to protect people from COVID-19.

Vitamin D and cod liver oil supplementation should not be offered to healthy people with normal vitamin D levels, Bergman said in a news release from the journal. He said it could focus on high-risk groups, such as people, or people with skin that gets little sun exposure, pregnant women, and older people with chronic conditions.

The U.S. National Institutes of Health Vitamin D.

sauce: BMJMoreNews Release, September 7, 2022

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