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Note on degradation: peptides degrade gradually rather than abruptly
Although your vials might have dark amber glass instead of clear glass protecting them, it is still necessary to protect the nutrients contained inside by shielding B-vitamins from all light
Never re-freeze a reconstituted vial
Once your B12 levels are back to normal, or if a change in your diet gives your body all the B12 it needs, you may be asked to stop taking these tablets
Treasure Island (FL): StatPearls Publishing.
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