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This matters because digestion and absorption can affect how much of a nutrient your body actually uses from oral supplements
Metformin-Associated Functional Vitamin B12 Deficiency Presenting as Subacute Combined Degeneration
The fastest way is to change your diet
The frequency of B12 injections varies based on individual needs: For deficiency correction: Injections may be administered more frequently, such as weekly or monthly, until levels normalize. For maintenance: Once adequate levels are achieved, monthly injections are typically recommended
The recommended daily intake for vitamin B12 is approximately 2.4mg for adults, peaking at 2.6mg and 2.8mg for pregnant and lactating women respectively, and 1.8mcg maximum for children under 13 years old
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