How to know if you’re actually vitamin D deficient and what to do about it - Experts say that if you only take one supplement ...

Dubbed the “sunshine vitamin,” vitamin D got its nickname because our bodies can make D when exposed to UV rays. The vitamin is also unique in that it acts as a hormone in the body, playing an ...

Doctors say the ideal form of vitamin D comes from the skin when it absorbs sunlight. A dietitian expert weighs-in on the effectiveness on vitamin supplements.

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Nutritional science is supposed to chart a course to our healthier selves. But contradictory scientific results and interpretations can muddy the waters — and few nutrients have recently demonstrated ...

Vitamin D is an essential nutrient that supports immune function, and heart, bone, muscle and nerve health. Vitamin D can be made in your body from sunlight, but it is also found in salmon, egg yolks ...

Nearly a quarter of Americans are estimated to have a vitamin D deficiency. Why is that? A 2022 study of National Health and Nutrition Examination Surveys (NHANES) data estimated that about 22% of ...

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.

It's that time of year when your body produces less vitamin D. Sunshine is the main source of vitamin D, and we need it to keep our bones and muscles strong. Many people take supplements to meet the ...

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

If, like many people, you don't get enough vitamin D from sun and diet, then you'll likely benefit from taking vitamin D supplements in a number of ways. But will it make you a better athlete? That's ...