Vitamin B12 is a water-soluble B vitamin
However, seek immediate medical attention if you notice any symptoms such as skin rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, breathing difficulty, etc
Reduce the risk of cognitive decline and Alzheimers disease (11) Treat pernicious anemia, a condition that can cause nerve damage and increases your risk of stomach cancer (12)
This is particularly advantageous for individuals who may not obtain sufficient vitamin B12 through their regular diet
It may also occur if your diet is deficient in foods high in vitamin B12 or if you are using drugs that prevent the absorption of this vitamin
First, the doctor will have to suspect B12 deficiency as a possible cause of the patients symptoms, combined with their risk factors