Although both are used in supplements and can increase B12 levels, they each have a different structure and source. In ...

Could your “healthy” vitamin B12 levels still be putting you at risk for cognitive decline? A new UCSF study suggests normal B12 levels may not protect against decline in older adults.

While vitamin B12 might not be as buzzy as calcium or an immediately recognizable household name like Vitamin C or D, it's just as important for your health—and particularly your brain health.