of oxygen delivered throughout the body.
Possible symptoms include:
- Constant tiredness
- Weakness
- Low energy
- Reduced ability to exercise
- Feeling exhausted even after adequate rest
However, fatigue has many possible causes, so it should not automatically be blamed on vitamin B12 deficiency.
2. Tingling or Numbness in the Hands and Feet
Vitamin B12 is important for healthy nerve function.
When B12 levels are too low, some people may experience unusual sensations, particularly in the hands and feet.
These can include:
- Tingling
- Pins-and-needles sensations
- Numbness
- Burning sensations
Persistent neurological symptoms should be evaluated by a healthcare professional because prolonged vitamin B12 deficiency can cause nerve damage.
3. Difficulty Walking or Poor Balance
More advanced vitamin B12 deficiency can affect the nervous system and may contribute to problems with coordination.
Some people may notice:
- Unsteady walking
- Poor balance
- Frequent stumbling
- Feeling less coordinated than usual
These symptoms can also have many other neurological