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Most peptides are rapidly degraded by pepsin and hydrochloric acid in gastric fluid (pH ~12)
For skin and potential GI tract benefits, oral delivery may provide some value, but evidence is limited
For a technically sensitive product category like GHK-Cu peptide serums, choosing the right manufacturer is not simply a logistical decision
-7% 2 700 2 900 Hypnosis (DSIP) ,
Some alternatives may have different potency, stability, or side effect profiles
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