VITAMIN B12 INJECTION 3000 mcg Cyanocobalamin 1,000 mcg mL Injection 1 mL McKesson Mahoning Do you take metformin for treatment of your diabetes? If so, did you know that metformin use can affect your vitamin B12 levels? Metformin is a very common medication used B!2 Inject Kit: Package Insert Prescribing Information
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