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This is because: Older adults make less stomach acid, which is needed for B12 absorption
Laboratory Parameters for Therapeutic Assessment We check several key lab tests to see how well vitamin B12 injections are working
Step 3: Frequency For optimal results, B12 shots are usually given weekly for several weeks or until desired outcomes are achieved
How much vitamin B12 we absorb depends on a protein in our stomach called intrinsic factor
Oral supplements work for many people, and injections are another reliable option, especially for those who are already symptomatic and confirmed low
These deficiencies affect the nervous system, weaken bones and muscles, and disrupt immunity
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