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 ...

A vitamin B12 blood test is a reliable way to determine if you have adequate levels of this crucial nutrient. Vitamin B12 is ...

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 ...

Hooper et al Patient journeys: diagnosis and treatment of pernicious anaemia British Journal of Nursing, 2014, Vol 23, No 7 Devalia, Malloy, Hamilton British Journal of Haematology, 2014, 166, 496–513 ...

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).

Plus, exactly how they manifest.

Medical researchers are warning that vitamin D deficiency — affecting approximately 40 percent of American adults — is ...

We all grew up learning that a "regular" menstrual cycle was considered to be 28 days. Then, we all likely lived a very different experience. Some menstrual cycles may be shorter (less than 21 days), ...

At-home vitamin deficiency tests are available from online retailers, including LetsGetChecked, Everlywell, MyLab Box, and more. Popular test kits can measure a person’s vitamin D, B12, or iron levels ...