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You do not need genetic testing to benefit from active forms, but for individuals who do carry these variants, it can be particularly relevant
Hematocrit, reticulocyte count, vitamin B12, folate and iron levels should be obtained prior to treatment
Red Blood Cells Formation: Vitamin B12 is vital for developing red blood cells
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This is because age can affect how well the body absorbs and uses B12
2 to 3 days
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