1 of 1
Story summary
- Mass General Brigham researchers suggest high-dose vitamin D may reduce the risk of long COVID symptoms.
- The randomized trial included 1,747 adults who tested positive for COVID-19, comparing vitamin D3 with placebo.
- Eight weeks post-infection, 21% of those taking vitamin D reported lingering symptoms versus 25% on placebo.
- Vitamin D did not reduce the severity of acute COVID-19 or short-term outcomes.
- Further research is planned to assess long COVID benefits.
