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Proton pump inhibitors (PPIs) and H2-receptor antagonists (H2RAs) are commonly prescribed after bariatric surgery and can impair the release of B12 from food proteins, reducing absorption of food-bound B12 over time
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More serious side effects can also include chest pain, bleeding gums, eye pain, irregular heartbeat, swelling around the face and extremities, and hives
Lower concentration supports gradual dosing for sensitive research applications
Health Conditions That Affect B12 Levels Even if you eat a diet rich in vitamin B12, certain health conditions can prevent your body from absorbing it properly
