Semax

4.7 · 92 reviews

A synthetic peptide derived from ACTH(4-10), studied for neuroprotective and BDNF-related signaling.

Read the Semax research guide→

$777.70/mg

In stock

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Frequently paired with

Best value!
Make this a kit
Semax + 3 mL BAC water + 10 syringes + 10alcohol pads — pads free, water & syringes 25% off
Starting at
$92.11
$100.14
Selank
Tuftsin-derived peptide studied for anxiolytic signaling.
$62.72
Bacteriostatic Water
0.9% benzyl alcohol water for reconstitution, sold as a single vial.
$13.14
Insulin Syringes
31G 0.5 mL sterile syringes, sold in packs of 10, 100, or 300.
$7
Alcohol Prep Pads
70% isopropyl alcohol pads, sold in packs of 10 or 200.
$3
Great value!
Cognitive Research Stack
Semax and Selank, the neurotrophic + anxiolytic pair frequently co-studied in CNS research.
Starting at
$91
$159.86

Molecular specification

Molecular formula: C37H51N9O10S
Molecular weight: 813.9 g/mol
CAS number: 80714-61-0
Amino acids: 7
Appearance: White lyophilized powder
Purity (HPLC): 99%
Elimination half-life: ≈ 2–5 min (plasma)

Mechanism & published research

Studied for modulation of BDNF/TrkB signaling and neuroprotection in CNS models.

BDNF modulation and neuroprotective effects in preclinical work.
animal modelrodent CNS models·representative Semax literaturePubMed ↗

Honest note on evidence: Most published work originates from a small set of research groups; evidence is largely preclinical.

Descriptions summarize existing published research and are not claims about outcomes from use. Every citation states its study type and population.

How it compares

Versus	Attribute	Note
Selank	Focus	Selank is studied more for anxiolytic-type signaling; Semax for neurotrophic.

Reconstitution

Concentration math only: add bacteriostatic water to the vial and the resulting concentration is shown below. This is not usage guidance.

Vial	Bacteriostatic water	Concentration
10 mg	1 mL	10 mg/mL

Open the reconstitution calculator →

Storage & stability

State	Temperature	Duration
Lyophilized (unopened)	-20°C	24 months
Reconstituted	2–8°C	up to 4 weeks

Reviews

4.7

Based on 92 verified purchases

Reviews are collected post-delivery and screened to exclude any human-use or dosing-outcome claims before publication. They speak to product quality, shipping, and COA accuracy.

Verified