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It's estimated that between 10 percent and 30 percent of people older than 50 produce too little stomach acid to release B12 from its carrier protein in foods
The Basics of Vitamin B12 Vitamin B12, also known as cobalamin, is one of 8 B vitamins humans need to stay healthy
B12 is generally safe but can interact with certain medications, including Hydrochloric acid reducers and diabetes medications
People who dont produce enough intrinsic factor can become deficient
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