A vitamin B12 level test checks the amount of vitamin B12 in the body. Normal levels usually range from 200 to 900 picograms per milliliter, but the way of measuring will depend on the laboratory.

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 ...

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 ...

Vitamin B12 deficiency can cause anemia, nerve damage, cognitive changes, and mood symptoms. Experts warn it’s often missed, ...

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 ...

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 ...

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 ...

Do you think annual blood tests are enough These 5 blood tests that are often missed can point out the risks to your health ...

A top Indian neurologist warns that common medications like Metformin and proton pump inhibitors (PPIs) can silently deplete Vitamin B12 levels. This deficiency, if unchecked, can lead to severe ...