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Hydroxocobalamin is generally considered safe and can be taken for a very long time
The clinical trials that showed disappointing results used oral administration
Individuals with pernicious anemia might start with 100 mcg injections daily or every other day, transitioning to a maintenance dose of 100 to 1000 mg monthly
Extreme deficits (800-1,000 calories below maintenance) are unnecessary and counterproductive because they increase muscle catabolism and metabolic adaptation
[18] Additionally, very high doses of folic acid could potentially mask a B deficiency, so its important your doctor knows about any folate supplements you take
ClinicalTrials.gov (2026) Related Dosing Protocols Educational use only This guide is an educational research reference, not medical advice or a treatment plan
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