Vitamin B12 participates in many body processes, including the manufacture of DNA and red blood cells. The body does not produce it naturally, which is why it must be obtained from foods of animal origin, fortified foods, or supplements.
The body may experience difficulties absorbing this vitamin as the years progress.. Other population groups at higher risk for vitamin B12 deficiency are those who have undergone weight loss surgery, drink a lot of alcohol, or have taken antacids for a long period of time.
Causes of vitamin B12 deficiency
People with atrophic gastritis (in which the stomach lining has been reduced), pernicious anemia, conditions that affect the small intestine (Crohn's disease, celiac disease ...) and disorders also have a higher risk of developing vitamin B12 deficiency. of the immune system.
Since it is found in foods of animal origin, people who follow a vegan or vegetarian diet may find their needs for this nutrient unsatisfied, although it can be remedied with fortified foods or by taking supplements.
Symptoms of vitamin B12 deficiency
If it is a mild case, there may be no symptoms, but if it is not treated, it can lead to problems such as:
- Anemia
- Weakness, tiredness, or lightheadedness
- Palpitations and shortness of breath
- Smooth tongue
Constipation, diarrhea, loss of appetite, or gas - Numbness, tingling, muscle weakness, or trouble walking
- Loss of vision
- Depression, memory loss, or behavior changes
If you think you may be deficient in vitamin B12, you can ask your doctor about a blood test, a test where you can check if the levels of this vitamin are correct. Treatment may include injections of vitamin B12 followed by high-dose supplements..