(CNN) — Vitamin D supplements aren’t likely to prevent an infection from COVID-19 or respiratory infections like colds or flu, even if your current levels of the vitamin are low, according to ...

A data analysis of many clinical trials found negligible protective effect from vitamin D supplements against acute respiratory infections.

Video above: Study casts more doubt on vitamin D pillsVitamin D supplements aren't likely to prevent an infection from COVID-19 or respiratory infections like colds or flu, even if your current ...

Video above: Study casts more doubt on vitamin D pillsVitamin D supplements aren't likely to prevent an infection from COVID-19 or respiratory infections like colds or flu, even if your current levels ...