How to use an at-home vitamin deficiency test For any further questions, all reputable at-home tests will have instructions and a customer care line. Most vitamin deficiency tests require a blood ...

Some vitamin D tests may give misleading results despite progress made in recent years to improve the quality of these assays, according to the US Centers for Disease Control and Prevention (CDC).

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 ...

It's Wellness Wednesday, and this week’s focus is on vitamin D and its role in overall health. Many people assume they’re getting enough during the summer months, but that’s not always the case. We ...

Two new lab tests to measure blood levels of vitamin D are inaccurate more than 40% of the time, according to a new study. Researchers say newer tests tend to overestimate the number of people who are ...

Should you get a blood test to see if you're deficient in vitamin D? It sounds like such a good idea, seeing as how most people don't get enough sunshine to make vitamin D themselves. And the tests ...

Doctors are ordering unnecessary, costly and invasive blood tests for children to detect vitamin D deficiency, when instead it would be better to take simple preventative steps to ensure children ...

Physicians are frequently ordering the wrong test for vitamin D levels, and two advocates are calling for closer observation and better IT utilization to solve the problem. An article in the January ...

Luke Coutinho mentions Vitamin D3 is a hormone that activates killer immune cells (NK, T-cells), calms dangerous inflammation, slows cancer growth and spread, and boosts immunotherapy success.

We include products we think are useful for our readers. If you buy through links on this page, we may earn a small commission Here’s our process. Vitamins and minerals are micronutrients that support ...