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Baseline vitamin B12 levels before starting metformin Annual monitoring for patients on long-term metformin therapy Consideration of vitamin B12 supplementation if deficiency is detected Antibiotics and Chemotherapy Agents That Affect B12 Metabolism Certain antibiotics and chemotherapy agents can harm vitamin B12 metabolism

For pilot studies or budget-constrained projects where oral administration isn't a factor, the acetate salt remains a viable and economical choice

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Some animal studies have indicated potential benefits in wound healing and tissue repair, though these findings have not been replicated in rigorous human clinical trials

You can tell whether a food is fortified in vitamin B12 by looking at its ingredients label