effects.
5. Pale or Slightly Yellow Skin
Vitamin B12 deficiency can contribute to a type of anemia called megaloblastic anemia.
When red blood cell production is affected, a person may develop pale skin.
In some cases, the skin or whites of the eyes may also take on a slightly yellow appearance because of changes involving abnormal red blood cells.
Other symptoms of anemia can include:
- Fatigue
- Weakness
- Shortness of breath
- Reduced exercise tolerance
6. A Smooth, Sore, or Red Tongue
Changes in the tongue and mouth can sometimes occur when
