deficiency can cause anemia, which results in pale or yellowish skin due to a lack of healthy red blood cells. The skin may also appear blotchy or pale due to poor circulation.
3. Tingling or Numbness
One of the most alarming signs of a B12 deficiency is tingling or numbness in the hands, feet, or legs. This is due to nerve damage that can occur when B12 is deficient. It can also cause a “pins and needles” sensation.
4. Difficulty walking or poor coordination
Because B12 plays an
important role
