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38: 147-161 (2017) Park S-K, Qi X-F, Song S-B, Kim D-H, Teng Y-C, Yoon Y-S, Kim K-Y, Li J-H, Jin D, Lee K-J

PMID: 11533304

Reusing them increases the risk of infection and contamination

Published research indexed on PubMed has investigated BPC-157s interaction with several biological pathways

Shen, A

The fix is to look for formulations that protect peptide stability (opaque or UV-blocking packaging, supporting antioxidants, sensible companion ingredients)