ghk-cu levels decline with age ng/ml Comment "curious" for the full newsletter. π might be the weirdest peptide in existence. And I bet nobody's ever told you how it really works. Consider this: Copper is an element GHK-Cu for Skin & Wound
Description
"What I want patients to understand about GHK-Cu is that the biology is real

These transformations are not only physical
Better B12 can mean more energy, clearer thinking, and improved mood, especially if absorption is an issue

doi: 10.1007/s11306-019-1604-4
