If you have low vitamin D, the best way to make sure you are getting enough is to take a dietary supplement. Talk to your ...

Another key difference between the two forms of vitamin D is their source. “Vitamin D2 is usually produced by plants when ...

When the sun is out, your body can potentially make its own vitamin D, but it still may make sense to continue with ...

Women between ages of 30 and 70 need about 600 international units, and once they're over 70, that number goes up to about ...

The expiration date on your vitamin bottle often doesn't reflect what you believe. If you're worried about supplements ...

Vitamin D supplements are mostly recommended when you’re deficient. In the U.S., 35% of adults are vitamin D deficient, according to the National Library of Medicine. People who are obese, over 65, or ...

"Too much vitamin C can cause diarrhea, stomach ache, heartburn, esophagitis and even kidney stones," Nadeau adds. The good news, Nadeau notes, is that taking too much usually only happens when ...

Too much vitamin C can lead to kidney stones, iron overload, gut issues, and skin damage. Here's how to protect yourself from toxic overload.

While most people don’t get enough vitamin D—a nutrient that’s crucial for bone and muscle health—it is possible to get too much. This can happen if you are taking multiple vitamin D ...

While most people don’t get enough vitamin D—a nutrient that’s crucial for bone and muscle health—it is possible to get too much. This can happen if you are taking multiple vitamin D ...

"Too much vitamin C can cause diarrhea, stomach ache, heartburn, esophagitis and even kidney stones," Nadeau adds. The good news, Nadeau notes, is that taking too much usually only happens when ...