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All editionsMethodologyUpdated · September 2026
Nootropic peptide

Semax.
6 vendors · 1564

ACTH(4-10) analog. Investigated for cognitive and neuroprotective effects.

Live vendor register · sorted by price

Every vendor. Same compound, sorted ascending.

SEMAX · price-normalised
n = 6 vendors
01
QSC Peptides
VID-QSC-PEPT
HPLC · MS · Janoshik
99%
3–7 days (EU warehouse) · Kit of 10 · from $170 USD
€15
02
Direct Peptides EU
VID-DIRECT-P
No public testing info
99%
10–14 days · UK network · from £20.99
€24
03
CertaPeptides
VID-CERTAPEP
Janoshik (selected lots)
98%
3–7 days · RO dispatch
€30
04
Particle Peptides
VID-PARTICLE
COA PDF (method unstated)
99%
2–7 days · SK dispatch
€33
05
PeptidesDirect
VID-PEPTIDES
HPLC · MS (per-batch COA)
99.63%
DE 1–2 d · EU 3–10 d · DE dispatch
€60
06
SwissChems
VID-SWISSCHE
HPLC · third-party COA
99%
2–3 weeks · US dispatch · from $73.95
€64
Long-form research guide

Cognitive Enhancement Research. Mechanism + protocols + safety.

BDNF, neuroplasticity, and anxiolytic mechanisms in nootropic peptide research

Open the long-form guide for Semax →