Why vitamin D advice fails people with darker skin tones - melanin-rich skin has evolved different vitamin D metabolism ...

There is evidence to suggest that combined low vitamin D and K levels is associated with increased risk of adverse c ...

For adults, a level of vitamin D in the blood of 20 nanograms per milliliter (ng/mL) or above is generally considered adequate. Levels below 20 ng/mL are generally too low for adequate bone health ...

Vitamin D supplements may help prevent the loss of telomeres, DNA sequences that shrink with aging, a large study shows. But ...

There is evidence that suggests a connection between vitamin D blood levels and cardiovascular disease, the atherosclerotic variety in particular. Researchers from Germany took a closer look at ...

Vitamin D also helps blood vessels work better. It may help them stay flexible and relaxed. When blood vessels are relaxed, ...

Over the past few decades, the "normal" blood level of vitamin D (25-OH vitamin D) was based on the amount needed to keep PTH from becoming abnormally high. Again, PTH at high levels can cause ...

A new study found that vitamin D supplementation improved a key marker of biological aging—but it's probably too soon to rush ...

Individuals with low vitamin D levels are more likely to have abnormal ... A lipid profile test is a blood test that measures total cholesterol, LDL cholesterol, HDL cholesterol, and triglyceride ...

A new study finds that safe levels of vitamin D supplementation can promote longevity by reducing a certain type of cellular ...

In the largest study of its kind, researchers tested the vitamin D status of more than 70,000 people as babies.