whats in a vitamin b12 injection Injections Vitamin B12 Injections: What You
Description
Reduce or hold the dose if flushing, nausea or other GI effects occur
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After the syringe is emptied, remove it from the vial

If you get digestive symptoms after taking B12, often there is a bacterial overgrowth or possibly fungal overgrowth creating the digestive symptoms

The patient-reported benefit is real but confounded

A sour, putrid, or strongly chemical smell indicates degradation
