Researchers analyzed 11 trials with 655 adults and discovered that taking vitamin D2 supplements decreases the body's vitamin ...

Researchers examined data from controlled trials and found that taking vitamin D2 led to a reduction in vitamin D3 levels, in ...

Sunlight and diet provide most of our vitamin D, but in modern life, many people struggle to maintain optimal levels. Whether ...

We've assessed vitamin D supplements from brands including BetterYou, Boots, Holland & Barrett, Vitabiotics and more to ...

That’s because our body doesn’t make enough of the stuff in the darker months as sunlight decreases. Vitamin D is key to ...

Find out how vitamin K1 and K2 contribute to bone health and how to include them in your diet or supplement routine.

Below are seven nutrients frequently under-recognized, their signs, challenges to absorption, and how to address them.

You might be surprised to learn that your body can only absorb so much calcium from a supplement at once, so taking a higher ...

Most people do best when they take vitamin B in the morning or early afternoon. “Many B vitamins, particularly B12 and B6, ...