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If you decide to undertake self-injection, first consult a nurse practitioner or doctor to learn the proper method of identifying and cleaning the injection site, administration and how-to properly open and clean a vial.
Well continue updating this article as new studies are published, markets shift, and the conversation evolves through 2026
One reviewer in particular writes I am vegetarian and my levels of vitamin B12 were low
However, when the investigational drug presents a higher level of risk for example in certain oncology settings, where the compound may be too toxic for healthy subjects the study may involve patients instead
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