10 Warning Signs of Vitamin B12 Deficiency You Should Never Ignore…see more

medical assessment rather than waiting for a vitamin test.

4. Memory Problems and Difficulty Concentrating

Vitamin B12 supports normal nervous system function, including processes involved in thinking and memory.

A deficiency may sometimes contribute to:

Difficulty concentrating.

Forgetfulness.

Mental confusion.

Problems remembering familiar information.

These changes can develop gradually and may be mistaken for ordinary tiredness or aging.

However, memory difficulties have many possible causes. A healthcare professional can help determine whether B12 deficiency or another condition is involved.

5. A Sore or Swollen Tongue

Your mouth can sometimes provide clues about nutritional deficiencies.

Vitamin B12 deficiency may cause glossitis, a condition