bpc 157 effect on sleep Bpc-157 for Quality Improvement Best Peptides for Sleep: Natural

This is a commonly referenced study from 1963 claiming a half-life of 5-6 days: nature.com/articles/198200a0 Although I would not cite it as an authority, the six-day half-life has also made it onto the B12 page in Wikipedia, seemingly unchallenged

Just because these tools are safer than black-market steroids doesnt mean you should go it alone

Richardson SM, Hughes N, Hunt JA, Freemont AJ, Hoyland JA: Human mesenchymal stem cell differentiation to NP-like cells in chitosan-glycerophosphate hydrogels

It's more kind of self-report of people recovering from a given injury, whether or not they took BPC-157 or they didn't