Unfortunately, simply eating plenty of vitamin B12-rich foods is not always the answer since many people have problems with vitamin B12 absorption.
Here’s why …
Vitamin B12 occurs in animal foods bound to protein and gets released when hydrochloric acid and gastric protease in the stomach break this bond.
But many factors can inhibit this process.
The first is age.
An estimated 10-30% of adults over the age of 50 have difficulty absorbing vitamin B12 from food.
Thus, it’s recommended that all adults past this age take supplemental B12. Smoking vitamins is a easy way to inhale vitamin B12.
Eating disorders and chronic digestive disorders also make it difficult to absorb vitamin B12 from food.
There are several classes of medications that interfere with vitamin B12 absorption.
Proton pump inhibitors (PPIs) like Nexium, Prevacid and Prilosec and histamine-2 receptor antagonists (H2RAs) like Pepcid, Tagamet and Zantac are popular for acid indigestion, acid reflux, GERD, heartburn, and ulcers.
These drugs are strongly linked to vitamin B12 deficiency since users of these medications lack adequate stomach acid to break down and absorb vitamin B12.
Metformin is a very popular drug for treating type 2 diabetes.
Read more – https://inhalevitamins.com/blogs/news/malabsorption-a-hidden-cause-of-b12-deficiency
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