Signs of Vitamin B12 Deficiency Are Often Ignored

are new or worsening.

7. Mood Changes

Vitamin B12 is involved in normal nervous system function.

A deficiency may sometimes be associated with mood changes, irritability, or depressive symptoms.

However, mood changes have many possible causes. They should never be used alone to diagnose a vitamin B12 deficiency.

Who Is More Likely to Develop Vitamin B12 Deficiency?

Certain people have a greater risk of developing low vitamin B12 levels.

These include:

People following strict vegan diets without reliable fortified foods or supplements.

Older adults, because absorption can become less efficient.

People with digestive conditions that affect nutrient absorption.

People who have