bpc 157 and hashimoto's The Practitioner's Guide to the LDN + Peptide Protocol for People talk about BPC-157 like

2020ZFB010, and the Foundation of State Key Laboratory of Holistic Integrative Management of Gastrointestinal Cancers (2025GTEP016)

A modest, controlled increase in GH can create a system-wide anabolic and regenerative state that supports the healing of all tissues, including cartilage and connective tissues found in the spine

NNMT depletes the NAD+ precursor pool by methylating nicotinamide the same nicotinamide that the salvage pathway would otherwise convert back into NAD+ via the enzyme NAMPT

It acts pleiotropically , the technical term for the fact that it activates multiple signaling pathways in the cell at once