fda warning letter bpc-157 2023 Wolverine Stack: Healing Faster with Peptides Multifunctionality and Possible Medical Application
Description
Klicek et al

That last clause is the whole game

Yellow or amber colour in a fresh solution suggests peptide degradation, typically from improper pre-reconstitution storage
If you add 1 mL of water, your concentration will be 10mg per mL
Unfortunately, in spite of a number of positive mechanistic observations, CCK-receptor antagonists were not further developed for the treatment of FD
