The bioavailability is lower than subcutaneous injection, probably 5070% based on available peptide absorption data, but for gut healing specifically, oral is actually the preferred route
Prevention and treatment of copper deficiency in sheep
BPC-157 (5mg) is a pentadecapeptide a chain of 15 amino acids with the sequence Gly-Glu-Pro-Pro-Pro-Gly-Lys-Pro-Ala-Asp-Asp-Ala-Gly-Leu-Val, derived from a partial sequence of a protein found in human gastric juice
GLP-1 Receptor Agonists and Glaucoma: Exploring a Possible Association Glucagon-like peptide-1 receptor agonists (GLP-1 RAs), such as semaglutide (Wegovy) and liraglutide, are transforming the management of type 2 diabetes mellitus (T2DM) and obesity
Frozen storage at minus twenty degrees Celsius The minus twenty degree freezer is the standard recommendation for long-term peptide storage
This is the bedrock of your claim