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Also, learn about How Fast Does a Vitamin B12 Shot Work
Once youve chosen the type of B12, the next step is deciding how it will be administered
However, some nerve damage from long-term deficiency may be permanent
Long-term safety beyond 12 weeks has not been formally studied in large populations
What To Expect During Treatment Quick injection administered by a trained professional
Its a very limited study and I dont know how accurate it was, I assume that the b12 wasnt the little vials that we use today hence the smaller amounts injected in the study
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