Vitamin B12 is the most important of type B vitamins because it is a key element for the production of red blood cells.
Vitamin B12 is also known as cobalamin. Cobalamin is a substance found in foods of animal origin since vegetables do not produce it, and it provides numerous benefits to our body.
In the United States, between 1.5% and 15% of people are deficient in vitamin B12.
Many older adults, who do not have enough hydrochloric acid in their stomachs to absorb vitamin B12, need supplements of this vitamin.
People over 50 should consume the majority of vitamin B12 in dietary supplements because they can not get this vitamin naturally from food.
People who have pernicious anemia should ingest vitamin B12.
People who have undergone gastrointestinal surgery, for example to lose weight, or those who suffer from digestive disorders, such as celiac disease or Crohn’s disease. These can reduce the amount of vitamin B12 that the body can absorb.
Vitamin B12 deficiency causes tiredness, weakness, constipation, loss of appetite, weight loss and megaloblastic anemia. In addition, you may experience neurological problems, such as numbness and tingling in the hands and feet.