A Schilling test is also known as a Vitamin B12 absorption test. It was formerly used to determine whether a person was absorbing vitamin B12 normally. If not, then the test could pinpoint the cause ...

Medically reviewed by Patricia Mikula, PharmD Vitamin B has been getting more attention as people look for ways to boost ...

Vitamin B12 deficiency affects millions of people worldwide, yet it remains one of the most underdiagnosed nutritional deficiencies in modern medicine. This essential vitamin plays crucial roles in ...

Imagine feeling tired as if you’ve run a marathon — every single morning — but you haven’t even left your bed! Or maybe your hands and feet keep tingling like tiny pin-pricks, but you shrug it off as ...

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 ...

A complete blood count (CBC) is a common test to diagnose anemia by measuring red blood cell count, hemoglobin, and hematocrit levels. Iron deficiency is a common cause of anemia, and doctors may ...

We always believe we are getting enough vitamins as long as we are having a balanced diet, taking the occasional multivitamin supplements, and generally feeling alright. But then out of the blue, more ...

Vitamin B12 is essential for blood formation, nerve and brain function, and energy metabolism. Deficiency is common in vegetarians, older adults, and malabsorption states and causes fatigue, ...

Feeling fine doesn't always mean you're healthy. Experts recommend a specific ‘6-test checklist’ every six months.