today show that boosting vitamin D levels in adults during the SARS-CoV-2 pandemic was not associated with protection against respiratory tract infections or COVID-19.
The first trial was carried out in the UK between December 2020 and June 2021 and involved 6,200 adults not using vitamin D supplements at enrollment. A total of 34,741 adults who were not using vitamin D supplements received either 5 mL cod liver oil or 5 mL placebo daily for six months. The majority of participants who were tested had adequate vitamin D levels at the start of the study.
The findings should also be interpreted in the context of a highly effective vaccine rolled out during both trials.
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physorg_com bmj_latest Now tell us the health toll of people who took high doses of vitamin D early in the pandemic when the news said this would reduce their risk?
bmj_latest COVID19 vitaminD The effects of infrared, UVA, UVB 24-hour cortisol-melatonin rhythm need to be measured.