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b12 injection drug test Can Vitamin B12 Cause a
Description
For a person who cannot absorb B12, the injection is a critical, life-sustaining treatment, not a voluntary supplement

In fact, many adults are unable to absorb B-12 into their body at all
Allergy Asthma Proc

But younger, healthy adults may not need B12 therapy at all and wont see the same energy benefits from it
