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Unlike oral B12 supplements, which depend on intrinsic factor production in the stomach for absorption and lose 5070% bioavailability in the digestive process, injectable B12 achieves near-100% bioavailability by delivering the vitamin directly into circulation
The therapeutic protocol typically involves initial intensive injections followed by maintenance schedules based on individual blood levels and clinical response
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However, the actual cost of the medication varies depending on the dose, your insurance coverage, the pharmacy, and your location
1 2 J Neuropsychiatry Clin Neurosci
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