8 Signs of Vitamin B12 Deficiency After Age 70 That Shouldn’t Be Ignored
Vitamin B12 is important for healthy nerves, red blood cell production, and brain function. As people get older, the risk of B12 deficiency can increase because the body may absorb B12 less efficiently.
These symptoms can have many causes, but they are worth discussing with a healthcare professional if they appear or persist.
1. Numbness or tingling in hands and feet
A B12 deficiency can affect the nerves and may cause:
- “Pins and needles” sensations
- Burning feelings
- Reduced sensation
2. Balance problems or unsteady walking
Nerve changes from low B12 may contribute to:
- Trouble walking steadily
- Increased fall risk
- Poor coordination
3. Unusual tiredness or weakness
B12 helps make healthy red blood cells. Low levels may contribute to:
- Fatigue
- Low energy
- Weakness
4. Memory or thinking changes
Some people with B12 deficiency may experience:
- Difficulty concentrating
- Brain fog
- Confusion
These symptoms can also occur with many other conditions, so testing is important.
5. Mood changes
Low B12 levels have been associated with:
- Irritability
- Low mood
- Changes in emotional well-being
6. Pale skin or a sore tongue
B12 deficiency can cause certain types of anemia, which may lead to:
- Pale appearance
- Smooth, red, or sore tongue
