They may recommend taking a high dose of vitamin D for the first few weeks just to try and get you back to normal. You’ll want to test again about six months later to see if that supplementation was ...

Vitamin D is a fat-soluble vitamin and supplement that supports bone health and the immune system. Supplements like magnesium ...

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

“Egg yolks are one of the few natural sources of vitamin D, and because vitamin D is fat-soluble, pairing eggs with healthy fats—like avocado or olive oil—helps your body use it more effectively,” ...

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

Research has associated GLP-1 medications with vitamin D deficiencies, highlighting the importance of nutrition counseling ...

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

Plus, how to up your intake.

Vitamin D has long been known as an essential nutrient for strong bones and teeth, but in recent years it has gained a new reputation as a "longevity" vitamin because of its wide-reaching role ...

Medically reviewed by Alex Yampolsky, PharmD Taking vitamin C and D together is generally safe if you stay within the recommended doses. Vitamin C and D supplements may support your immune health and ...

Vitamin D is a health superstar, supporting your body from head to toe. Research suggests that it plays a key role in building strong bones and muscles, keeping your immune system and your ...

Vitamin D is vital for numerous bodily functions. While sunlight is the primary source of vitamin D, record high temperatures this summer may dissuade people from spending time in the sun. An expert ...