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Summary: Vitamin B12 treatment typically begins producing early haematological responses within 34 days, with neurological symptoms starting to improve within 12 weeks, though complete symptom resolution may require several weeks to months depending on deficiency severity and treatment route
BMC Womens Health
When liver cells are injured or destroyed through inflammation, toxins, or disease progression, their contentsincluding stored vitamin B12leak into the bloodstream
Jama (2021) 325(22):226272
Any further discrepancies were resolved through third-reviewer adjudication
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