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Some people might prefer one over the other
According to 2008 research, your body only absorbs about 1.3 percent of a 1,000 mcg oral dose and 2 percent of a 500 mcg oral dose
B12 Intravenous Dose Considerations: The Fourth Key Guideline Administering B12 intravenously is a detailed process
Start with a 0.5 percent AHK-Cu formulation applied once daily
Healthcare professionals can find more details on Vitamin B12 treatment in guidelines
Its important to know the signs of side effects and when to call your doctor
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