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Side-by-side comparison

Selank

Cognitive & Anxiolytic PeptideSafety 8/10

Anxiolytic / nootropic research

vs

Semax

Cognitive & Neuroprotective PeptideSafety 8/10

Nootropic / cognitive research

Selank
Semax
Cheapest price
$23.99 /10mg
$19.20 /10mg
Vendors stocking
26
28
Safety rating
8/10
8/10
Mol. weight
751.9 g/mol
813.9 g/mol
Administration
Intranasal
Intranasal

Price Comparison — 2026

Selank

VendorPrice
Amino Club$23.99 /10mgBuy →
Red River Peptides$25.50 /10mgBuy →
Behemoth Labz$27.24 /10mgBuy →
Ascension Peptides$27.50 /10mgBuy →
Puratek Peptides$29.66 /10mgBuy →
Petratide Science$29.95 /10mgBuy →
+20 more vendors →

Semax

VendorPrice
Polar Peptides$19.20 /10mgBuy →
Biotech Peptides$21.20 /10mgBuy →
Amino Club$23.99 /10mgBuy →
Peptyx Labs$24.00 /10mgBuy →
Swiss Chems$24.65 /10mgBuy →$25 off $100+·auto
Core Peptides$25.20 /10mgBuy →
+22 more vendors →

Vendors Carrying Both

25 vendors stock both Selank and Semax — convenient if you want to bundle an order.

Polar PeptidesSelank: $35.99Semax: $19.20Visit →
Biotech PeptidesSelank: $46.00Semax: $21.20Visit →
Amino ClubSelank: $23.99Semax: $23.99Visit →
Swiss ChemsSelank: $51.90Semax: $24.65Visit →
Core PeptidesSelank: $52.00Semax: $25.20Visit →
Red River PeptidesSelank: $25.50Semax: $25.50Visit →
Ascension PeptidesSelank: $27.50Semax: $27.50Visit →
Behemoth LabzSelank: $27.24Semax: $27.74Visit →
Puratek PeptidesSelank: $29.66Semax: $29.66Visit →
Petratide ScienceSelank: $29.95Semax: $29.95Visit →
Optimum FormulaSelank: $35.99Semax: $31.49Visit →
NeuroLabsSelank: $31.50Semax: $31.50Visit →
Pulse PeptidesSelank: $32.39Semax: $32.39Visit →
Pantheon PeptidesSelank: $64.80Semax: $32.40Visit →
Modern AminosSelank: $48.00Semax: $38.00Visit →
Apex Peptide SupplySelank: $39.98Semax: $39.98Visit →
Onyx ResearchSelank: $80.00Semax: $42.50Visit →
Evolve PeptidesSelank: $51.00Semax: $42.50Visit →
PeptiraSelank: $49.00Semax: $49.00Visit →
Liv Pure WellnessSelank: $49.99Semax: $49.99Visit →
Pinnacle Peptide LabsSelank: $42.49Semax: $50.99Visit →
UK PeptidesSelank: $43.02Semax: $53.80Visit →
SomaChemsSelank: $55.98Semax: $55.98Visit →
Olympex SolutionsSelank: $65.98Semax: $65.98Visit →
LeoLab RxSelank: $50.00Semax: $80.00Visit →

Safety Notes

Selank

FDA: Approved in Russia

Approved in Russia; no sedation, amnesia, or dependence; appears very well-tolerated; limited Western data

Semax

FDA: Approved in Russia/Ukraine

Approved for neurological conditions in Russia; intranasal well-tolerated; no major safety signals

Explore Further

Selank

Full profile →Cheapest deals →

Semax

Full profile →Cheapest deals →
All current deals →Browse all peptides →
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