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ghk cu vs copper supplement GHK-Cu Peptide Liposomal Copper GHK – Jeunesse
Description
doi: 10.4103/1673-5374.293145

In fact, buccal permeability of macromolecules is generally limited to peptides under 2040 kDa, with sublingual mucosa sometimes permitting compounds up to 70 kDa with the use of penetration enhancers

Supports extracellular matrix regulation and regenerative pathways

A recent FDA 483 (see July 10, 2015 FDA 483 (here) cited the firm for lack of stability data to support beyond use dating
