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It remains active across wide pH ranges and doesn't require carrier proteins for activity
This isn't optional cross-contamination ruins products
As a reference, recombinant IGF-1 injections have a half-life of under 6 hours when given subcutaneously as a treatment of growth failure and slower development of children due to poor IGF-1 levels
That distinction drives handling practice, because bacteriostatic water does not rescue a compromised vial and is no substitute for aseptic technique
If normal, continue supportive measures without b12 addition
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