Because of B12's importance, many people choose to supplement it. Here's what you need to know about the side effects of taking vitamin B12 supplements and whether it is possible to take too much.

While no known adverse health effects are associated with taking too much B12, you're wasting money if you supplement with the vitamin when you don’t need to. Your body will use what it needs ...

Doctors say if it occurs after you take vitamin B12, see your local emergency services immediately. A major result of too much vitamin B12 includes gastric issues which may range from mild to ...