§ Same category · Cognitive peptides
Dihexa vs PE-22-28
Side-by-side price comparison across every tracked vendor. Updated every 4–6 hours.
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Dihexa
0
vendors tracked
PE-22-28
0
vendors tracked
Dihexa
BDNF-potentiating hepatapeptide
No current listings at 5mg.
PE-22-28
Synthetic antidepressant peptide
No current listings at 5mg.
About Dihexa
A hexapeptide derivative of the angiotensin IV fragment, studied for cognitive enhancement via BDNF potentiation.
About PE-22-28
A seven-residue peptide derived from the spadin sequence (SORT1 fragment), studied for rapid-acting antidepressant effects via TREK-1 channel blockade.