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Both produce therapeutic CNS concentrations, but subcutaneous allows for longer intervals between observable plasma peaks, which may reduce variability in studies measuring acute cognitive effects

In fact, comparing the research using GHK-Cu peptide injection vs topical routes shows that the majority of clinical studies have utilized the topical option to research the efficacy of the copper peptide for cosmetic applications

May 2012;26(5):554-559

Ice crystal formation can damage the peptide structure and reduce potency

Many of our products like Dihexa, Ibutamoren (MK-677), and SLU-PP-332 come in convenient oral tablet form for easy daily use