Vitamin B12 is found only in animal foods, but in good amounts. So unless you’re a vegan, chances are you’re getting plenty of it in your diet. Yet many older adults are deficient in the vitamin. Why?

Vitamin B12 deficiency can result in a host of symptoms, ranging from fatigue and brain fog to irritability and pins and needles. Despite having a normal B12 test result, some individuals may still ...

For several months during the summer, my dog Scout vomited at 3 a.m. nearly every day. If you have a dog, you know the sound. And each time, she gobbled up her mess before I could get to it, making ...

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 ...

Vitamin B12 deficiency can leave people feeling shattered with a string of other symptoms. From brain fog and poor concentration to irritability and pins and needles, a lack of the key vitamin can ...

Macro B12 identified in 24% of patients with raised vitamin B12, suggesting polyethylene glycol testing may reduce unnecessary bone marrow biopsy.

Consumer Reports has no financial relationship with advertisers on this site. A bout 20 percent of people over age 60 have low levels of vitamin B 12, yet many of them don’t know it. You need B 12 to ...