problems, iron-deficiency anemia, and other medical conditions.
For this reason, unexplained shortness of breath or palpitations should be medically evaluated.
8. Mood Changes
Vitamin B12 is involved in normal brain and nervous system function.
Some people with a deficiency may experience changes in mood, such as:
- Irritability
- Low mood
- Depression
- Increased anxiety
However, mood changes have many possible causes. Vitamin B12 deficiency is only one potential explanation.
If significant or persistent changes in mood occur, professional medical advice is recommended.
9. Vision Changes
Severe or prolonged vitamin B12 deficiency can,
