The thought behind administering it under the tongue is that it can be absorbed directly into the bloodstream through whats called the mucous membrane in your mouth (UMichigan Health Library, 2018)
However, anecdotal reports are not the same as scientific evidence and cannot determine whether the outcome was caused by the treatment itself, another intervention, the body's natural healing process, or a combination of factors
Lee, C., Zeng, X., Pulliam, D., Thomson, A., & Cohen, P
See all FAQs Important safety information and common side effects The most common side effect of B12 injections is irritation at the injection site
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Following these storage protocols ensures that the first dose from the vial is just as potent and pure as the last