bpc 157 pro dna health BPC-157 Injectable Peptide for Healing & Recovery ProHealth Longevity BPC‑157 Claims Evaluated:

Gyno is the literal proliferation of glandular breast tissue, and it's driven by hormones

So on the narrow question does it stop working after N weeks, the honest answer is: no published evidence says it does, and the mechanism actually argues against it

PMC12446177 GHK-Cu gene expression and effective concentration - GHK-Cu modulates broad repair and remodeling gene expression and is active at low nanomolar concentration

PMID: 114

Continuous use without cycling can lead to receptor desensitization, diminishing returns, and unknown long-term effects

Though the contributors came from different institutions and faith backgrounds, they were united in this desire to help one another be better caretakers of the Earth that we depend upon.