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60 Dosages ranged from 2 g per day p.o
How B12 Supplements Work Oral supplements pass through the digestive system, where only a small percentage is absorbed
How often should I get a B12 injection
Hydroxocobalamin: Adverse reactions (IV use)
Starting with lower concentrations and gradually increasing helps identify your personal tolerance
As people age or encounter certain health issues, their intrinsic factor production can decrease, leading to lower B12 absorption from pills
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