ghk-cu vs bpc-157
ghk-cu (S-tier) vs bpc-157 (A-tier). mechanism, trials, claims vs data, dosing literature. side-by-side reference.
ghk-cu — tier S
the copper peptide with the strongest skin evidence in the catalog. topical record first, injectable story thinner.
the copper peptide with the strongest cosmetic skin record on the site. the topical evidence is in front; the injectable story is a different conversation.
4,192 genes modulated · half-life tissue-dependent, ~12 hours detectable · skin
bpc-157 — tier A
the contested repair peptide. strong animal data, thin human trials, huge community gravity.
the contested repair peptide. 200+ rat studies with consistent tissue-repair signals. zero published controlled human RCTs in tendon or injury recovery.
200+ rodent · 0 RCTs · half-life short (minutes IV) · healing
at a glance
reptides grades the research record and cites the literature behind every call. research reference only; not medical advice.