If you’re vitamin D-deficient, taking a vitamin D3 supplement could offer potential benefits, experts say. But how often do you actually need to take it, and who should avoid it?

A Harvard study reveals that daily Vitamin D3 supplements may slow ageing by protecting DNA and preserving telomeres.

How Much Vitamin D3 Should I Take Daily? The National Academy of Medicine recommends a daily intake of 600 IU of vitamin D for people ages one to 70, and 800 IU for adults ages 71 and over.

Vitamin D supplements can support your health and wellness, but when it's vitamin D2 vs vitamin D3, which should you choose?

Adults should shoot for about 600 to 800 units a day. The easiest way to know if you're Vitamin D deficient, is to ask your ...

How much vitamin D should you take? The recommended vitamin D supplementation for adults under 65 is 600 to 800 IUs daily and 800 to 1,000 IUs for those over age 65.

It’s no secret that vitamin D3 is essential for bone health and immune function—but what if taking it daily for just two weeks could radically shift your metabolism, hormone health, and even ...

Participants were randomly assigned to take either a placebo or a daily dose of vitamin D3 (2,000 IU) and omega-3 fatty acids (1 gram).