The difference is that GHK-Cu activates it biochemically, systemically, and without requiring physical tissue injury
Jan AU, Hadi F, Nawaz MA, Rahman K (2017) Potassium and zinc increase tolerance to salt stress in wheat ( Triticum aestivum L.)
The body needs intrinsic factor to absorb vitamin B12
Ultrathin sections obtained with an Ultracut EMFCS ultramicrotome (Leica Microsystems, Wetzlar, Germany) were examined unstained or poststained with uranyl acetate and lead hydroxide under a Morgagni 268D transmission electron microscope (FEI, Hillsboro, OR, USA) equipped with a Mega View II charge-coupled device camera (SIS, Soft Imaging System GmbH, Munster, Germany)
Clinical Applications
Importantly, a specific region near its N-terminal domain may activate deoxynucleotidyl transferase, an enzyme involved in DNA synthesis and repair