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Evaluator

Vitamin B12 Evaluator

Evaluate your B12 level with medication context

Drug Interactions

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Metformin

Metformin reduces B12 absorption in the terminal ileum.

Impact: Up to 30% reduction in B12 levels with long-term use

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Proton Pump Inhibitors (PPI)

Acid reducers inhibit B12 release from food proteins.

Examples: omeprazole, pantoprazole, lansoprazole

High-Risk Groups

VegansOver 60Metformin usersPPI usersAfter GI surgeryCrohn's disease