"Normal" levels of vitamin B12 may not be enough to ward off dementia, new research finds. Researchers at University of California San Francisco studied 231 healthy older adults (averaging 71 years of ...

SAN FRANCISCO (KCBS RADIO) -- Could your "healthy" vitamin B12 levels still be putting you at risk for cognitive decline? A ...

Vitamin B12 is needed for the development and function of nerve tissue and the brain, and for the formation of red blood cells and DNA. It is found in protein foods such as fish, meat, eggs and dairy, ...

People who sit on the low or high side of normal vitamin B12 levels are still at risk of cognitive impairment, according to a new study. The researchers behind the study say we need to rethink the ...

Around 15% of the US population is deficient in B12, which can cause them to feel fatigued, irritable, and constipated.

You cannot overdose on vitamin B12 because it is a water-soluble vitamin, so any excess is excreted through urine.

It's normal to feel tired sometimes. Managing work, family, and social commitments can be exhausting. But when day-to-day tiredness turns into debilitating fatigue, it's time to make a change. If ...

Select an option below to continue reading this premium story. Already a Honolulu Star-Advertiser subscriber? Log in now to continue reading. A: Because it can take many years for symptoms of a B12 ...