It's relatively stable and converts easily into active forms in the body
It dramatically slows down the metabolic processes of any potential bacteria that may have been introduced, making it much harder for them to multiply

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Louis, Miah became licensed to provide a full range of healthcare services, including conducting physical exams, diagnosing and treating conditions, prescribing medications, and providing preventative care
Dermatological Issues A subset of people report: Acne flare-ups (particularly cystic acne) Itchy skin or rashes These reactions appear more commonly with the cyanocobalamin form of B12
The mechanism appears to be interference with erythropoiesis