We tested the best vitamin deficiency tests from LetsGetChecked, Everlywell, and LabCorp, and our testers found them easy to use and informative. Learn more about the best vitamin deficiency tests ...

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).

LONDON--(BUSINESS WIRE)--Technavio analysts forecast the global vitamin D testing market to grow at a CAGR of around 5% during the forecast period, according to their latest report. The research study ...

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 ...

Are we overdoing it with vitamin D tests and supplements? Katie Ward, DNP, discusses recent findings that suggest that natural sunlight and a balanced diet might just be enough to satisfy our vitamin ...

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 ...

Taking both a multivitamin and vitamin D can help support nutrient needs, but it's important to keep your total vitamin D intake within safe limits.

Stop guessing your dosage and discover how the "sunshine vitamin" recharges your skeletal system, muscles, and cognitive health when taken with consistency.

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 ...