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Initial Loading Dose: At first, people get 1000 mcg every week for 4-8 weeks
Timeline and Expectations How quickly does a B12 injection work
Weekly Dosing Schedule for the First Month After the first week, a weekly dosing schedule is used for the next month
[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
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