bpc-157 human clinical trials randomized double blind Frontiers What are blind and double

doi:10.1016/j.amjcard.2020.10.043 Masson W, Lobo M, Molinero G, Masson G, Lavalle-Cobo A

1 2 4 Animals treated with BPC-157 also show improved load to failure and better motor function indices, with less atrophy and scarring

[PubMed Citation] 4

If that sequence is wrong, or if the vial is full of contaminants from a sloppy synthesis process, you're not actually studying BPC-157

However, medication that has been stored improperly (left at high temperatures, frozen, or exposed to light) may contain degradation products that could cause increased side effects like body aches , injection site reactions, or gastrointestinal symptoms beyond what you normally experience