can b12 injections cause fever What happens if you inject wrong? Are B12 Shots Safe? Royal
Description
More research in humans is needed
One concern is that, if pre-cancerous cells are already present, very high availability of growth-supporting nutrients such as B12 could, in theory, support their growth too
Summary of clinical discussion, including: Patient-reported updates or concerns
Prepare injection site
So, B12 injections can last for one month with slow release into the blood. In contrast, an IV (intravenous) infusion gives you the dose immediately so that you get the benefits immediately, and the effects are shorter lived
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