§ Same category · Cognitive peptides
N-Acetyl Selank vs PE-22-28
Side-by-side price comparison across every tracked vendor. Updated every 4–6 hours.
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N-Acetyl Selank
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vendors tracked
PE-22-28
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vendors tracked
N-Acetyl Selank
Acetylated Selank for stability
No current listings at 5mg.
PE-22-28
Synthetic antidepressant peptide
No current listings at 5mg.
About N-Acetyl Selank
An N-terminus acetylated version of Selank with improved metabolic stability. Research compound only.
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.