is it legal to inject vitamin b12 yourself united states Injections Dosage and Frequency Vitamin B12 Dosages: Your GoodRx

Shibata et al., 1988

While IGF-1 supports collagen production, long-term synthetic exposure can increase cancer risk , making it unsuitable for cosmetic or anti-aging use

To address a deficiency, we might start with weekly injections

We are presenting it as the clinical pattern we have seen, with the appropriate caveats that clinical observation is subject to selection bias and confounding

For in vitro applications: dissolve in sterile DMSO for stock solution preparation, then dilute in aqueous buffer (PBS or culture medium) to working concentration

Vegetarians, elderly people, those suffering from pernicious or megaloblastic anemia, atrophic gastritis, Celiac disease, Crohns disease or other types of inflammatory gastrointestinal disorders are at greater risk for B12 deficiency