2-Causes of vitamin B12 deficiency
A. Nutritional factors
A strict vegetarian diet can contribute to vitamin B12 deficiency, as this vitamin is found primarily in animal products.
B. Malabsorption problems
Some medical conditions such as pernicious anemia or gastrointestinal diseases can prevent the absorption of vitamin B12 from food.
C. Medications and health conditions
Certain drugs, including metformin or proton pump inhibitors, might obstruct the body’s ability to absorb vitamin B12.
Health problems such as celiac disease can also play a role.
D. Age-related factors
As we age, the ability to absorb vitamin B12 from food may decrease, making older adults more susceptible to deficiency.
