They may recommend taking a high dose of vitamin D for the first few weeks just to try and get you back to normal. You’ll want to test again about six months later to see if that supplementation was ...

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 ...

Summer is certainly the most carefree season of the year, but fall is when everything gets back on track. Routines are ...

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 ...

“However, we discovered that vitamin D2 supplements can actually decrease levels of vitamin D3 in the body, which is a ...

Fact checked by Jennifer Klump Daylight saving time doesn’t end for another month, but the precious hours of sunlight are already slipping away. Now’s the time to prepare for darker mornings and ...

The nation's largest medical lab company says it recently discovered and fixed a problem that led to inaccuracies in a small number of tests for vitamin D deficiency. Quest Diagnostics of Madison, N.J ...

WASHINGTON — The nation’s largest medical lab company says it recently discovered and fixed a problem that led to inaccuracies in a small number of tests for vitamin D deficiency. Quest Diagnostics of ...

BOSTON (Reuters) - Quest Diagnostics Inc said on Thursday that it had provided possibly erroneous results to thousands of people who had their vitamin D levels tested over the past two years. Quest, ...

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 ...