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Intravenous Dose Administration Intravenous (IV) Vitamin B12 is for severe cases or when quick action is needed
Some protocols involve longer continuous use for 6-12 months with ongoing monitoring
Tardelli, M
A healthcare professional will typically conduct blood tests to diagnose a B12 deficiency before recommending injections
While very high oral doses (1,000 to 2,000 mcg) can achieve some passive absorption without intrinsic factor roughly 1% of the dose is absorbed passively many clinicians prefer the reliability and rapid correction offered by injections in this population
Vitamin B12 is key for making red blood cells and keeping the nervous system healthy
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