§ Comparison
Selank vs Semax
Side-by-side price comparison across every tracked vendor. Updated every 4–6 hours.
Selank
26
vendors tracked
from $3.00/mg
Semax
23
vendors tracked
from $2.52/mg
◎ Cheapest $/mg:Semax at $2.52/mg
Selank
Anxiolytic neuropeptide
Operational
$18.90
$3.78/mg
In stock◎ Best $/mg
Operational
$19.43
$3.89/mg
In stock▲ 2.8% vs best
B-
Watch$39.99
$8.00/mg
In stock▲ 111.6% vs best
| Vendor | Grade | Risk | Price | $/mg | Trend | Stock | |
|---|---|---|---|---|---|---|---|
| ResearchPeptide UK UK | B- | Operational | $18.90 ◎ Best $/mg | $3.78 | In stock | Buy with code → | |
| Research Peptides Europe EU | A | Operational | $19.43 ▲ 2.8% | $3.89 | In stock | Visit → | |
| Modified Aminos US | B- | Watch | $39.99 ▲ 111.6% | $8.00 | In stock | Visit → |
Sort:
Last crawl 2026-05-04Sort:
2026-05-04Semax
Nootropic ACTH fragment
Operational
$19.43
$3.89/mg
In stock◎ Best $/mg
B-
Watch$39.99
$8.00/mg
In stock▲ 105.8% vs best
| Vendor | Grade | Risk | Price | $/mg | Trend | Stock | |
|---|---|---|---|---|---|---|---|
| Research Peptides Europe EU | A | Operational | $19.43 ◎ Best $/mg | $3.89 | In stock | Buy with code → | |
| Modified Aminos US | B- | Watch | $39.99 ▲ 105.8% | $8.00 | In stock | Visit → |
Sort:
Last crawl 2026-05-04Sort:
2026-05-04About Selank
A synthetic heptapeptide derived from tuftsin, studied in Russian neuropharmacology research for anxiolytic and nootropic effects.
About Semax
A synthetic heptapeptide based on an ACTH(4-10) fragment. Studied in Russian neurology for neuroprotection and cognitive enhancement.