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How to Test for Functional Vitamin B12 Deficiency Many doctors mistakenly rely on serum B12 levels in the blood to test for vitamin
Its also important to check how well the treatment is working with regular tests
Well review your health history, goals, and any current supplements or medications
If you noticed a lift in the first week that started to fade, a follow-up visit during this window can help smooth out that dip
Taking the right form of vitamin is critical
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