The NIH Office of Dietary Supplements published a fact sheet in March 2025 reviewing the evidence behind vitamins C, D, and A ...

Does vitamin B1 make you poop more? Discover how thiamine supports digestive health, bowel movements, and what foods provide ...

Add Yahoo as a preferred source to see more of our stories on Google. Most people in the U.S. get their vitamin D from Sun exposure. Stockbyte/DigitalVision via Getty Images You’ve likely heard about ...

Online chatter claims that vitamin D should always be taken with vitamin K2 because it directs where vitamin D goes in the ...

What does a lack of vitamin A do? Vitamin A deficiency is rare in the United States, but worldwide, it is the leading (preventable) cause of blindness in children. It can also lower the ability to ...

That means a bigger payoff for you when it comes to your vitamin-C intake. “Because liposomal vitamin C is absorbed more efficiently, a daily dose can go a long way in supporting immune resilience, ...

But there are caveats.

Vitamin D levels in post-mortem brain tissue were linked with cognitive function, an autopsy study showed. Higher concentrations of 25(OH)D 3-- the main form of vitamin D assessed in the study -- in ...

If you need more B vitamins, Nordic Naturals, Thorne, and Klean Athlete all offer quality supplements. See what else our dietitians recommend, and learn if a B complex supplement is right for you.

You’ve likely heard about vitamin D’s important role in maintaining strong bones and teeth. But it also plays several other important roles to keep your body healthy – including the function of your ...