Nootropic · 2 vendors stocking
N-acetyl semax, ACTH 4-10 analog
Every point is published and checkable — how the value score is built ›
| Vendor | Listing | Size | Vial price | Per milligram, after code | Value | |
|---|---|---|---|---|---|---|
| Dynamic Best buy | Semax 10mg | 10mg | $44.99 | $4.50 | 7.7 | View › |
| Ascension | Semax (10MG) | 10MG | $59.99 | $6.00 | 5.7 | View › |
Every row read from the vendor's live storefront on August 26, 2026. Ordered by value score, not by sticker price. Vials only — capsules, sprays and serums are excluded. Method ›
Semax is a synthetic ACTH(4–10) analog from the Russian nootropic literature, studied in BDNF and neuroprotection models. Most of the vendors we index stock it at 10mg.
Deeper background, sourcing and quality notes live on our sister site: Peptides Uncaged ›
Always-on partner code, re-tested at a live checkout. It stacks on the prices above, so a ZestyRat row within 10% of the leader is usually the cheaper order. Every other working code is on the Deal Board.
Questions
The cheapest Semax vial across the three storefronts we index is Dynamic Peptides at $44.99 for the 10mg vial — $4.50 per milligram Prices were read from the vendors' live catalogues on August 26, 2026.
Dynamic Peptides, at $4.50 per milligram. That is 25% below the next-cheapest vendor on the board. WHO/GMP and ISO 9001 US facilities with a published COA on every product page.
Across the vendors we index: 10MG, 10mg. Larger vials are almost always cheaper per milligram, which is why the table above is sorted on that column rather than on sticker price.
Sold as both a vial and a nasal spray. Sprays are excluded from this index — the deliverable milligram content of a spray bottle is not comparable to a lyophilized vial.
No. Semax is sold by every vendor listed here for laboratory research use only. Nothing on this page is medical advice or a recommendation to use any compound.
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