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Efficacy of different routes of vitamin B12 supplementation for the treatment of patients with vitamin B12 deficiency: A systematic review and network meta-analysis
Medications including metformin, proton pump inhibitors, and H2-receptor antagonists may reduce absorption of B12, potentially prolonging the time to clinical improvement
They will check your B12 levels and how youre doing
To maintain optimal stability, keep the pen away from light, and do not expose it to repeated temperature changes
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