Vitamin B12 shots are injections that a doctor may prescribe to treat a vitamin B12 deficiency, especially if a person’s body has difficulty absorbing the vitamin.
 
A deficiency in vitamin B12 can lead to various health problems, ranging from fatigue to permanent neurological changes.
 
If a person has low vitamin B12 levels due to a health condition, a doctor may recommend oral supplementation or injections of the vitamin.
 
Injections are usually for people with bodies that have problems absorbing vitamin B12 and those who have undergone gastric surgery. This is because shots enable the body to absorb vitamin B12 without it having to go through the digestive system.
 
This article addresses the importance of maintaining adequate vitamin B12 levels and outlines the benefits and risks associated with vitamin B12 shots.