GHK-Cu is a copper-binding plasma tripeptide with decades of cell and animal work; Snap-8 is a synthetic SNAP-25-mimicking octapeptide with very few primary studies.…
DSIP is a natural nonapeptide first isolated from rabbits; Selank is a synthetic tuftsin analogue. Origin, sequence, mechanisms, models and evidence gaps compared.
Cagrilintide is a lipidated amylin analogue acting at amylin and calcitonin receptors; tirzepatide is a dual GIP/GLP-1 receptor agonist. Receptors, structure, signaling and trial…
KPV is a PepT1-transported tripeptide from alpha-MSH studied in mouse colitis; BPC-157 is a gastric pentadecapeptide studied in rat lesion models. Mechanisms, models and…
Kisspeptin-10 acts upstream at KISS1R on hypothalamic GnRH neurons; hCG acts downstream at the LH/CG receptor on gonadal cells. Structure, receptors, research models and…
SLU-PP-332 is an ERR agonist; 5-Amino-1MQ is an NNMT inhibitor. A research-only comparison of targets, chemistry, mouse and cell models, limits and COA checks.
A format explainer: what lyophilized vial and nasal-spray records document, peptide stability in solution, intranasal research in animals and humans, and how COAs differ.
AOD-9604 is a modified growth hormone fragment; tesamorelin is a stabilized GHRH analogue acting at the pituitary. Structure, targets, research models and COA checks…
Semaglutide, tirzepatide and retatrutide compared by receptor profile, structure, identity data, regulatory status and published study design, plus how to read Purity's COAs.
PT-141 (bremelanotide) and Melanotan II share one cyclic alpha-MSH core and differ at the C-terminus. Structure, receptor selectivity, research models, regulatory status and documentation…
