ghk-cu structure image Proposed acidic degradation pathway of GHKCu in acidic solution RCSB PDB - 6QUG: GHK
Description
Proteases rapidly degrade many peptides, exhibit poor oral bioavailability due to enzymatic breakdown in the digestive tract, and suffer from short systemic half-lives, reducing their clinical efficacy

This aspect of Botox might help with neck muscle stiffness which is commonly seen in patients with chronic pain

Journal of Physiology-Paris , 93 (6), 479485

once mixed, refrigerate at 28 C , protect from light, and do not freeze the solution
