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Cold-chain interruptions should be noted even when the vial remains sealed
Understanding Concentration Variations B12 injections come in different strengths, like 1000 mcg/mL, 500 mcg/mL, and more
If you have any doubts about whether the medication has been stored properly, contact the pharmacy or your healthcare provider for advice
A Cochrane review comparing oral and intramuscular B12 found comparable effects on blood levels, and the same principle of good absorption applies to the subcutaneous route
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