Normally, the body’s reserves of vitamin B12 surpass daily requirements, but in certain cases, a deficiency can occur.
In the case of vitamin B12 deficiency, the symptoms can be subtle or even non-existent. Diarrhea, constipation, fatigue, loss of appetite and pale skin are some of the symptoms associated with this condition.
Here are some of the possible causes:
Poorly balanced vegetarian diet
Insufficient intake during childhood, breastfeeding and pregnancy