In the summertime, vitamin D levels might not be much of a concern for many runners, considering the time we spend exercising ...

The first thing you could do to find out if you’re vitamin D deficient is try an at-home blood test – they’re readily ...

Excessive vitamin D intake may trigger hypercalcemia, stressing your kidneys. Know the warning signs, from thirst to nausea, to prevent serious kidney damage.

Elderly woman faces paralysis and loss of home after years of taking 8 daily B-100 supplements, containing nearly 6000% of ...

Excessive Vitamin D supplementation can lead to hypercalcemia, straining the kidneys and causing nephrocalcinosis, ...

Vitamin D is essential for everyone, but it's extra critical during pregnancy. Here’s how much vitamin D expecting moms need per day, plus easy ways to put it on your plate.

Dietitians and an internal medicine doctor explain the importance of vitamin C, if getting extra has any benefits, and if ...

The results showed that nearly 90 percent of participants needed Vitamin D supplements to reach this goal. Many of them ...

What does wearing SPF50+ sunscreen every day do to your vitamin D levels? Our study, recently published in the British ...

Eat more of these whole foods loaded with vitamin C to support your immune system instead of taking a supplement, dietitians say.

The NHS supports his caution with official recommendations. On its website, the health authority explains: "Taking too many vitamin D supplements over a long period of time can cause too much calcium ...

Calcium builds and strengthens bones, while vitamin D helps your body absorb calcium. You need both calcium and vitamin D in balance. Getting too little of either can lead to weak, brittle bones, and ...