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Maintenance doses usually involve: 1 injection every 1 to 3 months for those who are not able to maintain adequate B12 levels through diet alone or have ongoing absorption issues
Always follow your doctors advice
It is difficult to self-inject in this spot, so usually a trained spouse, friend or healthcare professional is needed for a shot of B12 in your arm
Malabsorption of vitamin B12, resulting from structural or functional damage to the stomach, where intrinsic factor is secreted or to the ileum, where intrinsic factor facilitates vitamin B12 absorption
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