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If your doctor tries to get you off the shots in favor of oral B12 supplements (tablets, spray, etc), do not accept that as treatment
The Research Standard All comparisons reflect general industry practices
However, calling it the active-B12 test is slightly misleading, because it measures all B12 bound to transcobalaminincluding biologically inactive forms
It is currently used to treat severe and recurrent major depressive disorder that is unresponsive to drug therapies
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