A vitamin D test is a blood test that measures the level of vitamin D (calciferol) in your blood. It can indicate whether the vitamin D levels in your body are low or high. Low vitamin D levels can ...

The complete blood count routine test provides a snapshot of your body's blood production and immunity. The test measures a variety of components in your blood, including red blood cells, white blood ...

Vitamin D tests certified by the U.S. Centers for Disease Control and Prevention (CDC) Clinical Standardization Programs (CSP) are well calibrated overall, according to a new study presented Sunday at ...

BOSTON—Vitamin D tests certified by the U.S. Centers for Disease Control and Prevention (CDC) Clinical Standardization Programs (CSP) are well calibrated overall, according to a new study presented ...

Swiss-based Roche announced this month that it has received U.S. regulatory clearance for a less-complex vitamin D test in the United States, which the company said opens the door to more efficient ...

Excessive vitamin D supplementation can lead to serious health issues, including digestive problems, dangerously high calcium ...

Certain vitamins and supplements, such as licorice root and St. John's wort, can affect your blood pressure or how well blood ...

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.

“However, we discovered that vitamin D2 supplements can actually decrease levels of vitamin D3 in the body, which is a previously unknown effect of taking these supplements. This study suggests that ...

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 ...

A city research centre plans to use tomatoes to test the impact of gene-edited food in what is thought to be the first human ...