Semax
A Russian-developed focus and brain-protection peptide, sold there as a prescription nasal spray.
Best value right now · 30 mg
Genetic Peptide
IN STOCKUNTESTED
Per mg21% under the $2.52 median
Vial price30 mg · verified Aug 21
Avg per mg · 30 mg
$4.39+119.6%
Ranged $1.81 – $4.54 across 57 vendorsCompare 12 vendors · 30 mg
VendorStock
08
Umbrella LabsUNTESTED · OUT
$1.000$29.99
09
Behemoth LabzUNTESTED · OUT
$1.03$30.98
11
Good ScienceUNTESTED · OUT · 20% OFF
$3.47$104.00$130.00
12
SwissChemsTRUST 4.0 · OUT
$24.65$739.50
Showing 8 of 12 vendors · 4 more from $1.03/mg
Semax prices verified Aug 21, 2026
$2.00/mgGenetic Peptide · $60.00
Buy best pricePrice movement · 30 days
+8.6%median per mg, all sizes
Cheapest ever recorded: $0.840/mg on Aug 9. Today matches it.See our top-ranked Semax vendors
Ranked by Finnrick trust score, independent lab testing, and price.
Compare Semax head-to-head
All peptide comparisonsQuick Summary
A brain-boosting peptide approved in Russia for stroke recovery and cognitive enhancement — popular with biohackers for focus and memory. Available from 57 vendors, priced from $21.99 to $739.50.
Research: In a clinical study of 110 stroke patients, Semax significantly increased brain-protective BDNF levels and accelerated functional recovery.
Side effects: Mild nasal irritation, Rare headache, Dizziness
Approved internationallyApproved in Russia and Ukraine for stroke and cognitive disorders
- 50 of 57 vendors currently have it in stock
- Highest-rated vendor: Risynth Bio (9.1 Finnrick score)
- Most common vial size: 10mg
- Category: Cognitive / Neuro — Nootropic and neuroprotective peptides
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