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While mild deficiencies may not cause any symptoms, if the problem is not corrected it can lead to: The body has to absorb Vitamin B12 in two steps
Bioavailability: 1 to 2% absorbed passively without intrinsic factor Deficiency: only if GI absorption is intact Dosing: daily, high-dose oral Prescription: no, available OTC At home: yes Get a B12 injection prescription Not sure which format fits your situation
Multiple vacant House seats have been filled that way with little national attention
Look for 99% or higher, and treat a vague or missing percentage as a red flag
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