← All compounds
Best Price
Cheapest · 30mg
$64.91
$2.16/mg at Solyn Peptides
Buy at Solyn PeptidesCompare all 24 sources ↓
peptide24 sources in stock

Semax

ACTH Analog

ACTH analog. Cognitive and neuroprotective research.

Cognitive researchNeuroprotection research

For research use only · Not for human consumption

/ compare by size

Every source for Semax

Affiliate disclosure: purchases through links below may earn us a commission. Rankings are never sold — methodology · full disclosure

Size:
6 sources for 10mg·cheapest $27.00 at Ascension Peptides (with code)·$6.00/mg
#1
Ascension PeptidesBEST
4.8
$59.99
$27.00
with code
Buy at Ascension Peptides →
#2
Welli Labs
4.6
$29.99
$3.00/mg
Buy at Welli Labs →
#3
Double R Labs
4.7
$35.99
$30.59
with code
Buy at Double R Labs →
#4
Atomik Labz
4.7
$35.00
$3.50/mg
Buy at Atomik Labz →
#5
AMC Essentials
4.6
$39.99
$4.00/mg
Buy at AMC Essentials →
#6
AMP Peptides
4.8
$44.00
$4.40/mg
Buy at AMP Peptides →
🏆Our pick for Semax
Ascension Peptides
10mg · USA · Card / Crypto / Zelle
  • Third-party tested (Janoshik)
  • COAs provided — Per-batch core, quarterly bonus
  • Highest verification tier in stock
  • 4.8★ community rating
$59.99
$2.70/mg
Buy at Ascension Peptides
Affiliate link · disclosure
Also solid
AMP Peptides
10mg · $4.40/mg
$44.00
Buy →
Double R Labs
10mg · $3.06/mg
$35.99
Buy →
Welli Labs
10mg · $3.00/mg
$29.99
Buy →
/ research index

The research base

Research Maturity
★★★☆☆
3/5 — Volume of studies
Evidence Strength
★★★☆☆
3/5 — Quality of evidence

40+ studies on cognitive enhancement and neuroprotection.

/ mechanism of action

How it works

BDNF upregulation, neuroprotective effects.

/ research dosing

Common research protocols

Range
300-1000 mcg/dose, 1-3x daily
Frequency
1-3x daily
Route
Intranasal (0.1% or 1% solution)
Cycle
14-30 days, then break
Research notes

Russian nootropic. 0.1% standard, 1% for higher doses. ACTH 4-10 analog. Cognitive research dosing.

FOR RESEARCH USE ONLY. Doses listed are compiled from published research literature, FDA-approved drug labels, and well-documented research community practice. Not medical advice.
/ standalone use

As a solo compound

Effective standalone for cognitive research.

Common pairings
/ side effects

What to know

Minimal reported.

/ timeline

Realistic expectations

2-4 weeks

FOR RESEARCH USE ONLY. Semax is intended for laboratory research and not for human consumption.