Collagen synthesis (in vitro): The tripeptide-copper complex stimulated fibroblast collagen synthesis at concentrations as low as 10^-9 M (PMID 3169264)
This is a recognized scientific debate in senescence research
When it comes to GHK-Cu vs AHK-Cu, the debate is less about which peptide is better and more so about understanding what each one does and why your skin may need both
The atypical presentations that should alert the physician to consider non-diabetic causes of neuropathy via referral for a detailed neurological work-up (confirmatory tests) include: (1) asymmetry and rapid progression of the symptoms, (2) predominant motor weakness over sensory loss, (3) mononeuropathy or cranial nerve involvement, (4) progression of the neuropathy despite optimal glycemic control, (5) symptoms from the upper limbs, (6) family history of nondiabetic neuropathy, (7) severe painful symptoms in the feet whilst clinical examination is normal, 8) diagnosis of DPN cannot be ascertained by clinical examination with the semi-quantitative bedside tests (68, 20, 22, 74) ( Figure 1 )
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