Vitamin B12 deficiency is common. While supplementing with injections is considered safe in most cases, here’s what you should know before you try it. Vitamin supplements are very popular. People ...

Vitamin B12 shots are injections that a doctor may prescribe to treat a vitamin B12 deficiency. They may be useful for those with gastrointestinal issues, older adults, vegans, and vegetarians. A ...

Vitamin B12 is important for the health of your nervous system and your red blood cells. It can be found in many animal products and fortified foods. In the United States, about 6% of people under age ...