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Note that the nurses were advised accordingly rather than being asked their professional opinion as the frontline workers
[16] Although cyanocobalamin lacks a defined upper-toxicity threshold due to its water solubility and renal elimination, exceptionally high cumulative doses have been temporally associated with acneiform eruptions, altered potassium homeostasis, and theoretical thrombotic risk, emphasizing the importance of evidence-based dosing
It is widely used to treat vitamin B12 deficiency and is typically administered by a healthcare professional following a consultation
This tier has the highest rate of independent testing failures in community reports including product that tests as sterile water with no benzyl alcohol, sub-spec preservative concentrations, and endotoxin levels above USP limits
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