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So, the liver takes time to metabolize it
B12 injections are most clearly indicated when: A person has confirmed B12 deficiency that requires rapid replacement Theres a known or likely absorption issue Theres a need for ongoing maintenance due to non-dietary causes (for example, autoimmune gastritis) Typical treatment schedules (UK guidance) Treatment schedules can vary depending on symptoms, severity, and cause
If they're guessing, you're gambling
How long one 5mg vial lasts at each dose Budget planning matters
In laboratory research it is studied as a stable, water-soluble compound and is typically supplied as a lyophilized (freeze-dried) powder for reconstitution
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