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This process can be slow and inefficient, and people with absorption problems may take in far less of an oral dose than a healthy person would
Oral research-planning amounts are usually higher than subcutaneous amounts to account for absorption differences
IM injections are the standard for rapidly restoring B12 levels, particularly in severe cases and patients with absorption issues
Typical injection dosages can range from: 1,000 mcg (1 milligram) given weekly, monthly, or on a less frequent schedule depending on the severity of the deficiency and the individuals response
B12 is also great for the skin
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