Review highlights how vitamin D, particularly its active form calcitriol, modulates immune responses, inflammation, and tumor ...

Fact checked by Nick BlackmerA new study found that vitamin D supplementation offered no statistically significant protection ...

Vitamin D has become one of America’s most beloved supplements, second only to multivitamins in popularity. Many people ...

A new study published in the journal Nutrients suggests that vitamin D levels play a “critical role" in preventing and treating colorectal cancer. The researchers share the key findings.

Vitamin D deficiency directly causes erectile dysfunction by increasing superoxide and reducing protective SLPI levels, as ...

Vitamin D deficiency is highly prevalent in the US and around the world. Roughly 15.4% of children and adolescents in the US were vitamin D deficient in 2017. While vitamin D deficiency has slightly ...

Benefits from vitamin D supplementation in kidney disease vary; routine testing is not recommended in otherwise healthy ...

Vitamin D supplementation (D3 or 25[OH]D) was likely not significantly associated with protection against acute respiratory infection.

You might have heard that vitamin D can be crucial for bone health, and that taking supplements may be in order if you're not getting enough naturally from sunlight or from D-rich foods like eggs ...

Some research, including a 2020 research review and analysis, suggests that vitamin D supplementation may have a beneficial effect on negative emotions associated with conditions like major ...

As a vitamin most Americans don’t get enough of, figuring out the best time to take vitamin D is so important to make sure the supplement is working its best. While there’s not a set time that ...

Vitamin D, also known as the “sunshine vitamin,” is crucial for bone health, immune function, and overall well-being. However, in some cases, sun exposure can become very limited, especially ...