§ Same category · Cognitive peptides
N-Acetyl Semax Amidate vs Selank
Side-by-side price comparison across every tracked vendor. Updated every 4–6 hours.
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N-Acetyl Semax Amidate
5
vendors tracked
from $2.40/mg
Selank
24
vendors tracked
from $2.42/mg
◎ Cheapest $/mg:N-Acetyl Semax Amidate at $2.40/mg
N-Acetyl Semax Amidate
Acetylated amidated Semax
No current listings at 5mg.
Selank
Anxiolytic neuropeptide
Operational
$24.99
$5.00/mg
In stock◎ Best $/mg
Operational
$25.20
$5.04/mg
In stock▲ 0.8% vs best
Operational
$35.63
$7.13/mg
In stock▲ 42.6% vs best
B-
Watch$39.99
$8.00/mg
In stock▲ 60.0% vs best
| Vendor | Grade | Risk | Price | $/mg | Trend | Stock | |
|---|---|---|---|---|---|---|---|
| Pure Lab Peptides US | B- | Operational | $24.99 ◎ Best $/mg | $5.00 | In stock | Buy with code → | |
| ResearchPeptide UK UK | B- | Operational | $25.20 ▲ 0.8% | $5.04 | In stock | Visit → | |
| Research Peptides Europe EU | A | Operational | $35.63 ▲ 42.6% | $7.13 | In stock | Visit → | |
| Modified Aminos US | B- | Watch | $39.99 ▲ 60.0% | $8.00 | In stock | Visit → |
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Last crawl 2026-08-12Sort:
2026-08-12About N-Acetyl Semax Amidate
A modified Semax with N-terminal acetylation and C-terminal amidation for improved stability in research buffers.
About Selank
A synthetic heptapeptide derived from tuftsin, studied in Russian neuropharmacology research for anxiolytic and nootropic effects.