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All editions →MethodologyUpdated · November 2026
Nootropic peptide

Semax.
3 vendors · CA$40–102

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

Approved-analogue classLyophilised vialAlso known as:ACTH(4-10) analogue
Live vendor register · grouped by strength

Every vendor. Cheapest per mg first, kits listed separately.

SEMAX · price per mg
3 listings · unflagged vendors first · Listings data last updated October 2026

Best price per mg: SwissChems 30 mg at CA$3.40/mg.

10 mg

2 listings
01
PepsupVID-PEPSUP · €24.99 · duties on delivery
10 mg
99%
No COA published (mfr claim 99%+)
Low stock
NL dispatch · PostNL Tracked 2–5 business days
CA$4.00/mg
CA$40
02
Polar PeptidesVID-POLAR-PE · CA domestic
10 mg
99.71%
HPLC-UV only · Testides report HS1-SEMAX-30-052126, 2026-05-25 (report batch is a 30 mg lot) · no mass-spec identity
In stock
2–10 days
CA$4.00/mg
CA$40

30 mg

1 listing
01
SwissChemsVID-SWISSCHE · US dispatch · from $73.95
30 mg
99%
HPLC · third-party COA
In stock
1–2 weeks
CA$3.40/mg
CA$102
Same research area

Similar compounds.

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 →