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Peptilyze
Neuro & cognitive

Buy Semax

Starts from €14.99. Compare 23 shops by price, strength and stock, updated hourly.

Synthetic heptapeptide analogue of ACTH(4-10).

23 shops16 optionspeptide

Prices synced

Lowest single unit
€14.99
Labpep · 5 mg vial
Lowest price per mg
€1.02
One-Peptides · 50 mg vial
Shop spread
+365%
Highest vs lowest, 10 mg vial

Vial · lyophilised powder in a sealed vial

5 mg vial

2 shops in stock · highest price is 20% above lowest

ShopPriceVisit
Labpep
Semax · 5mg
Lowest · in stock
€14.99
€3.00/mg
VAT unconfirmed
View
Research Peptides Europe
Semax 5mg
In stock
€17.99
€3.60/mg
earlier price
VAT unconfirmed
View
PeptideHaus
Semax 5mg × 10 Vials · 10-pack
Best per unit
€124.00
€12.40 each
€2.48/mg
View

10 mg vial

16 shops in stock · highest price is 365% above lowest

ShopPriceVisit
Europeptide
Semax 10mg
Lowest · in stock
€19.99
€2.00/mg
VAT unconfirmed
View
Labpep
Semax · 10mg
In stock
€24.99
€2.50/mg
VAT unconfirmed
View
BioBoostX
Semax · 10mg
In stock
€29.95
€3.00/mg
View
Peptidlab
Semax · 10 mg
In stock
€29.99€39.99
€3.00/mg
VAT unconfirmed
View
Primal Peptides
Semax · 10mg
In stock
€29.99
€3.00/mg
View
PulsePeptides
Semax
In stock
€29.99
€3.00/mg
View
Research Peptides Europe
Semax 10mg
In stock
€29.99
€3.00/mg
earlier price
VAT unconfirmed
View
Baltic Peptides
Semax 10mg · 10mg · Vial
In stock
€34.99
€3.50/mg
VAT unconfirmed
View
Peptide Europe
Semax
In stock
€39.95€49.95
€4.00/mg
VAT unconfirmed
View
Elyvera
Semax 10mg
In stock
€40.34
€4.03/mg
incl. 19% VAT (est.)
View
One-Peptides
SEMAX 10 mg
In stock
€41.00
€4.10/mg
VAT unconfirmed
View
24Peptides
Semax 10mg
In stock
€44.00€49.00
€4.40/mg
VAT unconfirmed
View
Lumo Peptides
Semax · 10mg
In stock
€44.95
€4.50/mg
View
24Peptides
N-Acetyl Semax 10mg
In stock
€54.00€59.00
€5.40/mg
VAT unconfirmed
View
Avellon Peptides
Semax 10mg
In stock
€54.95
€5.50/mg
View
Europa Peptide
Semax 10mg
In stock
€59.90
€5.99/mg
View
Peptiden Kaufen
Semax
In stock
€93.00
€9.30/mg
VAT unconfirmed
View
PeptideHaus
Semax 10mg × 10 Vials · 10-pack
In stock
€214.00
€21.40 each
€2.14/mg
View
Elyvera
Semax 10mg · 10 units · 10-pack
In stock
€320.11
€32.01 each
€3.20/mg
incl. 19% VAT (est.)
View
Elyvera
Semax 10mg · 3 units · 3-pack
In stock
€106.74
€35.58 each
€3.56/mg
incl. 19% VAT (est.)
View
Elyvera
Semax 10mg · 2 units · 2-pack
In stock
€75.92
€37.96 each
€3.80/mg
incl. 19% VAT (est.)
View
Beyond Peptides
SMX · 10 mg · 1 Vial
Sold out
€54.11
€5.41/mg
incl. 21% VAT (est.)
View
Beyond Peptides
SMX · 10 mg · 10 Vial · 10-pack
Sold out
€485.98
€48.60 each
€4.86/mg
incl. 21% VAT (est.)
View
Beyond Peptides
SMX · 10 mg · 4 Vial · 4-pack
Sold out
€204.57
€51.14 each
€5.11/mg
incl. 21% VAT (est.)
View

30 mg vial

4 shops in stock · highest price is 46% above lowest

ShopPriceVisit
Peptide Lab NL
Semax · 1 x 30 milligram Semax poeder met steriel water · Glazen ampul
Lowest · in stock
€54.95
€1.83/mg
View
BioBoostX
Semax · 30mg
In stock
€69.95
€2.33/mg
View
Lumo Peptides
Semax · 30mg
In stock
€79.95
€2.67/mg
View
Primal Peptides
Semax · 30mg
In stock
€79.99
€2.67/mg
View
Peptide Lab NL
Semax · 10 x 30 milligram Semax poeder met steriel water · Glazen ampul · 10-pack
Best per unit
€499.95
€50.00 each
€1.67/mg
View
Peptide Lab NL
Semax · 5 x 30 milligram Semax poeder met steriel water · Glazen ampul · 5-pack
In stock
€259.95
€51.99 each
€1.73/mg
View
Peptide Lab NL
Semax · 3 x 30 milligram Semax poeder met steriel water · Glazen ampul · 3-pack
In stock
€157.95
€52.65 each
€1.76/mg
View

40 mg vial

1 shop in stock

ShopPriceVisit
Peptidlab
Semax · 40 mg
Lowest · in stock
€48.99€59.99
€1.22/mg
VAT unconfirmed
View

50 mg vial

1 shop in stock

ShopPriceVisit
One-Peptides
SEMAX 50 mg
Lowest · in stock
€51.00€69.00
€1.02/mg
VAT unconfirmed
View

Strength n/a vial

1 shop in stock

ShopPriceVisit
Peptides Kopen
Semax (Endogenic)
Lowest · in stock
€57.95View

Pen · pre-filled injector pen

6 mg pen

1 shop in stock

ShopPriceVisit
PeptideHaus
Semax Pre-Mixed Pen 6 MG
Lowest · in stock
€59.45
€9.91/mg
View

15 mg pen

2 shops in stock · highest price is 0% above lowest

ShopPriceVisit
Bioniq Lab
Semax | 15mg Peptide Pen
Lowest · in stock
€95.00
€6.33/mg
VAT unconfirmed
View
Peptidenonline
Semax Peptide Pen 15mg
In stock
€95.00
€6.33/mg
View

Nasal spray · nasal spray kit

5 mg nasal spray

1 shop in stock

ShopPriceVisit
Research Peptides Europe
Semax Nasal Spray 5mg
Lowest · in stock
€32.99
earlier price
VAT unconfirmed
View

10 mg nasal spray

5 shops in stock · highest price is 363% above lowest

ShopPriceVisit
Baltic Peptides
Semax 10mg · 10mg · Nasal Spray
Lowest · in stock
€39.99
VAT unconfirmed
View
Research Peptides Europe
Semax Nasal Spray 10mg
In stock
€44.99
earlier price
VAT unconfirmed
View
Lumo Peptides
Semax Neusspray Kit · 10mg
In stock
€64.95View
Semax Polska
Semax 0,1%, 10 mg
In stock
€79.00
VAT unconfirmed
View
Bioniq Lab
Semax Nasal Spray 10mg | 15ml
In stock
€185.00
VAT unconfirmed
View
Peptidenonline
Semax Neusspray 10mg/15ml
Sold out
€185.00View

30 mg nasal spray

1 shop in stock

ShopPriceVisit
Lumo Peptides
Semax Neusspray Kit · 30mg
Lowest · in stock
€129.95View

60 mg nasal spray

1 shop in stock

ShopPriceVisit
Semax Polska
Semax 1%, 60 mg
Lowest · in stock
€199.00
VAT unconfirmed
View

Strength n/a nasal spray

1 shop in stock

ShopPriceVisit
PeptideHaus
Semax Nasal Spray 15 mL
Lowest · in stock
€32.75View

Topical · serum, cream or oil

10 mg topical

1 shop in stock

ShopPriceVisit
One-Peptides
Semax Spray 10 mg
Lowest · in stock
€31.00€39.00
VAT unconfirmed
View

30 mg topical

1 shop in stock

ShopPriceVisit
Peptide Lab NL
Semax · 1 x 30 milligram Semax poeder met steriel water · Spray flacon
Lowest · in stock
€54.95View
Peptide Lab NL
Semax · 10 x 30 milligram Semax poeder met steriel water · Spray flacon · 10-pack
Best per unit
€499.95
€50.00 each
View
Peptide Lab NL
Semax · 5 x 30 milligram Semax poeder met steriel water · Spray flacon · 5-pack
In stock
€259.95
€51.99 each
View
Peptide Lab NL
Semax · 3 x 30 milligram Semax poeder met steriel water · Spray flacon · 3-pack
In stock
€157.95
€52.65 each
View

50 mg topical

1 shop in stock

ShopPriceVisit
One-Peptides
Semax Spray 50 mg
Lowest · in stock
€59.00€75.00
VAT unconfirmed
View

Chemistry

Semax molecular data

Molecular formula
C37H51N9O10S
Molecular weight
813.9 g/mol
Reference records
PubChem 9811102

Reference data for the compound itself, from PubChem (NCBI). It does not describe the salt form or purity of any shop's product.

Published research

What has been published on Semax

179 papers mention Semax in the title or abstract. Studies range from laboratory work to clinical trials. A paper listed here is not an endorsement and says nothing about whether Semax is safe, effective or approved for any use.

1 randomized trial in PubMed

Most citedName in the title

  1. Semax, an analog of ACTH(4–10) with cognitive effects, regulates BDNF and trkB expression in the rat hippocampus

    Oleg V. Dolotov, Ekaterina A. Karpenko, Ludmila S. Inozemtseva et al. · Brain Research · 2006

    Animal study57 citations

  2. Semax and Pro-Gly-Pro Activate the Transcription of Neurotrophins and Their Receptor Genes after Cerebral Ischemia

    Veronika G. Dmitrieva, О. В. Поварова, Veronika Igorevna Skvortsova et al. · Cellular and Molecular Neurobiology · 2009

    Animal studyOpen access54 citationsRead the open copy →

  3. Rapid induction of neurotrophin mRNAs in rat glial cell cultures by Semax, an adrenocorticotropic hormone analog

    Maria I. Shadrina, Oleg V. Dolotov, Igor A. Grivennikov et al. · Neuroscience Letters · 2001

    Animal study46 citations

LatestName in title or abstract

  1. The potential of the peptide drug Semax and Its derivative for correcting pathological impairments in the animal model of Alzheimer’s disease

    Alexandra I. Radchenko, Elеna V. Kuzubova, Alina Apostol et al. · Acta Naturae · 2025

    Open access · CC BY2 citationsRead the open copy →

  2. The Effect of Peptide Semax, an ACTH(4-10) Analogue, on Intracellular Calcium Dynamics in Rat Brain Neurons

    Sergey N. Kolbaev, Irina N. Sharonova, Vladimir G. Skrebitsky · Bulletin of Experimental Biology and Medicine · 2025

    Animal study

  3. Semax peptide targets the μ opioid receptor gene Oprm1 to promote deubiquitination and functional recovery after spinal cord injury in female mice

    Rongjie Liu, Yituo Chen, Haosheng Huang et al. · British Journal of Pharmacology · 2025

    Animal study4 citations

  4. Study of the effectiveness of the drug «Semax» in the complex treatment of non-proliferative diabetic retinopathy

    D. M. Tuychibaeva, Urmanova Firuza Makhkamovna · Modern technologies in ophtalmology · 2025

  5. The effect of peptide Semax, an ACTH(4-10) analogue on intracellular calcium dynamics in rat brain neurons

    Sergey N. Kolbaev, Irina N. Sharonova, Vladimir G. Skrebitsky · Bulletin of Experimental Biology and Medicine · 2025

All 179 papers, charts and facts →·on OpenAlex· Source: OpenAlex (CC0), refreshed weekly, last 4 Nov 2026, 08:26 UTC.

How to read these prices

  • All prices are EUR including VAT and read from each shop’s public feed. Sold-out offers are shown but never counted as lowest.
  • Per mg divides the unit price by the strength of one unit. Packs are compared by price per unit.
  • A “code name” tag means the shop sells this under a code name that we matched to Semax.

Semax price questions

Where is Semax cheapest?

Labpep has the lowest in-stock single-unit price for Semax at €14.99 (5 mg vial, incl. VAT). Per mg, One-Peptides is lowest at €1.02/mg (50 mg vial). Prices checked 4 Nov 2026, 21:00 UTC.

How many shops sell Semax?

23 tracked shops currently list Semax: 24Peptides, Avellon Peptides, Baltic Peptides, Beyond Peptides, BioBoostX, Bioniq Lab, Europa Peptide, Europeptide, Elyvera, Labpep, Lumo Peptides, One-Peptides, Peptide Europe, PeptideHaus, Peptide Lab NL, Peptiden Kaufen, Peptidenonline, Peptides Kopen, Peptidlab, Primal Peptides, PulsePeptides, Research Peptides Europe, Semax Polska. In total there are 56 offers.

Which forms of Semax are listed?

Vial (lyophilised powder in a sealed vial); Pen (pre-filled injector pen); Nasal spray (nasal spray kit); Topical (serum, cream or oil).

Is Semax for human use?

Shops list it for laboratory research only. Peptilyze is a price comparison and gives no medical, dosing or usage advice.

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