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Quality and sourcing concerns Perhaps the most significant safety risk with penta deca peptide arginate comes not from the peptide itself but from the quality of the product obtained
Journal of Investigative Dermatology, Volume 113, Issue 3, 1999, Pages 364-368
The structural difference is a single amino acid substitution at the first position: GHK-Cu uses glycine (Gly-His-Lys:Cu), while AHK-Cu uses alanine (Ala-His-Lys:Cu)
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It shields cells from many forms of damage, including oxidative stress, toxins, and ischemia (reduced blood flow)
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