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54,55 By doing so, the resulting product has a higher similarity or homology to the amino acid sequence of human GLP-1
This is why injectable GHK-Cu in one body area can improve healing at distant locations, something topical application cannot replicate
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The substitution at position 2 is the functionally important one: it blocks cleavage by dipeptidyl peptidase-4, the protease that degrades native GRF within minutes
Start Slow Begin with lower doses to allow your body to adjust gradually
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