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 ...

There have been many proven benefits of vitamin D and how it helps maintain a healthy immune system; however, as we spend less time in the sun, our ability to naturally make it declines. Including ...

It’s the most popular supplement on the market. But why do we need vitamin D—and why is the advice on how to get it so contradictory? Sunlight is all our bodies need to make vitamin D—a nutrient ...