Too much vitamin D, or vitamin D toxicity, happens due to a buildup of calcium in the blood (hypercalcemia), which can be ...

A vitamin D test measures your blood's vitamin D levels to see if they are too high or too low. Low vitamin D levels can ...

A daily vitamin D supplement can support bone strength, muscle function, and balance—especially in people who are vitamin D ...

LetsGetChecked also offers a less extensive test for vitamin deficiencies with its Essential Vitamin Test. The test checks the blood for deficiencies in three vitamins, including: vitamin D vitamin ...

Jane McClenaghan on how to make sure you’re getting just enough of this essential nutrient - without overdoing it ...

Testing vitamin D levels in the blood is not prohibited, but including it in routine blood tests is not medically justified, the Health Insurance Fund says.

In a small but revealing study, scientists discovered that tears strongly mirror blood glucose and saliva may reflect vitamin D status. This could lead to less invasive ways to monitor chronic health.

Scientists are still untangling why the nutrient gap persists—and what it reveals about how women’s health is studied and treated.

When Mayo Clinic researchers began studying vitamin D’s effects on older adults’ blood pressure, they didn’t anticipate the fascinating results that would emerge. Their discoveries about this common ...

According to new research published on November 12, 2024, in the Journal of the Endocrine Society, supplementation with vitamin D plus calcium may help lower blood pressure in older adults with ...