Here’s what vitamin D3 is and why your body needs it.

Vitamin D supplements are widely used around the world, but health experts say it’s important to understand how daily intake ...

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 ...

A. A study in the New England Journal of Medicine (July 28, 2022) revealed that middle-aged people taking supplements of vitamin D3 (2,000 IU daily) did not have a lower likelihood of fractures in a ...

Is it safe to take a multivitamin daily for years? Here's what happens with long-term use, including potential benefits, risks, and how to choose the right one.

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

Vitamin D is an essential nutrient for your immune system, heart health, and more. However, most Americans don't get enough vitamin D.

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.

Taking vitamin C and D together boosts your immune system and supports bone health. Both vitamins may enhance wound healing and prevent infections.

Which vitamin D drops are best? Spending time in the sun is one of the easiest ways to score your daily dose of vitamin D. However when the weather turns cold, it can be a challenge to get enough ...

Vitamin D is a fat-soluble vitamin and supplement that supports bone health and the immune system. Supplements like magnesium or calcium shouldn't be taken with it.