ghk-cu oral bioavailability studies LVLUP Health | Copper Peptide Capsules — Holistic Lifestyler Expression and Purification of Recombinant
Description
Sometimes these changes can be seen at endoscopy (see figures 1 and 2 below), but sometimes they are only found once small samples (biopsies) are taken from the gullet

doi: 10.1002/mabi.202100103

This is why it is studied for therapeutic purposes

Traor et al., 2000
