No part of the processinjection, nausea, or expenseis fun, and it's tempting to give up
Internal FDA staff agreed
[DOI] [PMC free article] [PubMed] [Google Scholar] 283.Velu CS
This therapy supports your bodys natural ability to adapt, helping you feel more balanced and in control throughout your day
Additionally, older adults who naturally have a more challenging time absorbing vitamin B12 or those on certain medications that affect B12 absorption may be ideal candidates
Side Effects & Safety No lethal dose found -- toxicology studies couldn't establish an LD50 (Sikiric et al., 2006) No organ toxicity in chronic dosing No hormonal effects -- doesn't affect testosterone, estrogen, cortisol, or GH Mild nausea -- mostly with oral dosing Brief lightheadedness -- occasionally after injection Injection site redness -- standard for SC peptides Angiogenesis concern -- promotes new blood vessel growth, which raises a theoretical question about existing tumors