Researchers are still trying to understand why some people develop Long COVID: lasting symptoms of the disease that can ...

High-dose Vitamin D doesn't reduce acute COVID severity but shows a promising signal for reducing Long COVID and brain fog.

Vitamin D supplementation does not prevent COVID-19 or improve symptoms but it may help lower the risk of long COVID, a recent study suggests.

A major clinical trial has delivered an unexpected twist in the search for ways to fight COVID-19 and its lingering effects. Researchers at Mass General Brigham found that taking high doses of vitamin ...

In a large, randomized trial, researchers at Mass General Brigham found that high-dose vitamin D3 did not reduce COVID-19 ...

New study reveals vitamin D supplements may reduce long COVID risk by 4%. Promising results for symptoms like fatigue and brain fog in clinical trial.

In a large, randomized trial, researchers at Mass General Brigham have found that high-dose vitamin D3 did not reduce COVID-19 infection severity, but may impact long COVID outcomes.

Medically reviewed by Lindsey DeSoto, RD Vitamin D is fat-soluble, meaning your body absorbs the vitamin better if you take ...

Vitamin D3 supplementation does not change the 4-week incidence of health care utilization or COVID-19-related outcomes among adults with newly diagnosed COVID-19 but may reduce the risk for long ...

A study published in JAAD has found that high-dose Vitamin D during pregnancy may help prevent atopic dermatitis in children of mothers exposed to tobacco smoke. In a post-hoc analysis of ...

Vitamin D didn’t blunt COVID’s initial impact—but it may hold a surprising clue in the fight against long COVID.

Low to moderate vitamin D doses may reduce MS relapse rates, while high doses show no additional benefit, according to a new meta-analysis.