When the body’s tissues do not receive their necessary amount of quota of vitamin B12 ,pernicious anemia (macrocytic anemia) develops.Th deficiency is most frequently caused by failure of absorption of this vitamin from the digestive organs.
VITAMIN B12 NATURE
The absorption of this vitamin requires the presence of hydrochloric acid and the association with a substance secreted by the mucous membrane of the stomach (intrinsic factor). It can then be stored by the body in the liver, pancreas, heart and brain. As these reserves the vitamin are important, the symptoms caused by a deficiency can take years. Unlike other B vitamins, which are excreted in the urine, the vitamin is excreted in the bile.
SYMPTOMS OF VITAMIN B12 DEFICIENCY:
Vitamin less intake causes fatigue, weakness, shortness of breath, nausea, constipation, flatulence, loss of appetite and weight loss. It can also cause neurological symptoms: tingling and numbness in the limbs, difficulty walking, mood disorders, memory loss and dementia.