The honest answer is that the human safety data is limited compared to decades-old pharmaceuticals, but the preclinical safety record across multiple species is unusually clean for a peptide with this level of biological activity
If you have tried oral B12 before and felt no change, this may be part of the reason, and it is worth mentioning to your provider
In astudyinvolving rats, BPC-157 was administered in doses of 0, 0.1, 0.25, and 0.5 micrograms/mL over 24 hours. Results showed that the 0.5 microgram/mL dose significantly increased growth hormone expression from day 1 to day 3, while lower doses also had similar effects. The study concluded that BPC-157 supplementation led to increased up-regulation of growth hormone in a dose and time-dependent manner
doi:10.1016/j.drudis.2021.07.009
By the next morning I could barely get out of bed
Safety and medical oversight As a Board Certified Registered Nurse Anesthetist (CRNA) with over 25 years of clinical experience, I bring the same standard of care to wellness injections that I apply to every treatment I offer