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If a patient is severely deficient, a physician might recommend an injection every other day or daily for the first week to rapidly saturate the bodys tissues
The evidence is unclear or shows little to no benefit from using B12 supplementation, but more research is needed in these areas
Please report these side effects immediately to your providerespecially if it is your first time receiving B12 injections
Sleep patterns and mood may also be affected temporarily
Unlike other vitamins, the absorption of vitamin B12 depends on a protein produced in your stomach, called the intrinsic factor
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