or fainting requires urgent medical attention.
- Mood Changes and Unusual Irritability
Vitamin B12 is involved in several processes that support normal brain and nerve function.
A deficiency may sometimes be associated with mood changes, irritability, or depressive symptoms.
Some people describe feeling unusually low, less motivated, or mentally overwhelmed.
These symptoms are not specific to B12 deficiency, however. They can have many different causes and should be considered alongside other symptoms and medical findings.
- Changes in Vision
In uncommon cases, severe vitamin B12 deficiency can affect the optic nerves.
This may cause visual disturbances, including blurred vision or changes in
Comments