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Supplement Absorption Mechanisms Oral B12 supplements rely on two absorption pathways
If you have a mild deficiency, B12 pills might work
In severe cases of vitamin B12 deficiency, like pernicious anemia, regular injections may be required to maintain adequate levels
Individuals on diabetes medications do not need dose changes, thyroid medication remains stable, and there are no concerns about growth hormones effects on other hormones or metabolic pathways
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