bpc-157 sold for research use only is being marketed like a recovery cheat code (especially tendons, ligaments, and muscle strains). So I checked what the evidence actually looks like. A systematic review that pulled together decades BPC-157 Peptide: Proven Research Guide

[19] Unlike a lot of other GHRPs, however, Ipamorelin does not have a laundry list of negative side effects like elevated cortisol or increased appetite, which allows patients to use it for a broad range of issues and goals

Evidence gap No published human randomized controlled trial has tested native MOTS-c for any clinical endpoint

Similarly, compounds from the spiro-oxindole dihydroquinazolinone series identified in the screening, e.g., 42 are weak inhibitors and besides that not stable in in vitro assays

"Selective and membrane-permeable small molecule inhibitors of NNMT reverse high fat diet-induced obesity." Biochemical Pharmacology