Peptide Referee

N-Acetyl Semax Amidate: research, legal status and who sells it

This page is information, not medical advice. N-Acetyl Semax Amidate is not approved as a medicine in the markets below unless stated. We don't publish dosing or usage instructions.

Also known as
NA-Semax, N-Acetyl Semax
Category
Modified semax (N-terminally acetylated, C-terminally amidated), a synthetic ACTH(4-10) analogue
Evidence level
Preclinical (lab and animal studies)
Price range
$1.52/mg to $8.00/mg, median $3.50/mg across 15 vendors (compare)
Our lab tests
None yet (how testing will work)
WhereStatus
United StatesNo FDA-approved drug contains N-acetyl semax amidate [1].
United KingdomNo UK-licensed medicine containing N-acetyl semax amidate appears in the MHRA products database [2].
European UnionNo medicine containing N-acetyl semax amidate is authorized in the EU, according to EMA's central and Article 57 product data [3][4].
CanadaNo product containing N-acetyl semax amidate appears in Health Canada's Drug Product Database [5].
AustraliaN-acetyl semax amidate is not named in Australia's Poisons Standard (October 2026) [6].
Sport (WADA)Not named on the 2026 Prohibited List; its section S0 bans any pharmacological substance with no current approval for human therapeutic use [7].
 Summaries of official sources, checked —. Rules change; follow the source links. Not legal advice.

We haven't published a full overview of N-Acetyl Semax Amidate yet. The legal status table and live prices on this page are current.

N-Acetyl Semax Amidate prices: cheapest listings

The five lowest $/mg listings out of 16. See all N-Acetyl Semax Amidate prices

Vendor Transparency Product Size Price $/mg vs median Stock Vendor's page
Nexaph 45/100* N-Acetyl Semax Amidate 10mg (10 vials/kit) 10 mg × 10 $152 $1.52/mg −57% In stock View
OROS Research 55/100* Semax N-Acetyl Amidate 30mg 30 mg $60 $2.00/mg −43% In stock View
Platinum Lion Peptides 15/100* N-ACETYL SEMAX 30MG 30 mg $70 $2.33/mg −33% In stock View
BioLongevity Labs 72/100 N-Acetyl Semax Amidate (20mg) 20 mg $65 $3.25/mg −7% In stock View
Ion Peptide 25/100* Semax (N-Acetyl) 30 mg $99 $3.30/mg −6% In stock View

Prices come from each vendor's public product feed and were last fetched Oct 15, 2026. They exclude shipping and discounts. $/mg uses the labeled amount, not measured content. A transparency score marked * is based on fewer than six checks; checks we couldn't complete score 0. How we compare prices.

Sources

  1. Drugs@FDA: FDA-Approved Drugs (database searched by active ingredient). U.S. Food and Drug Administration. Accessed Oct 15, 2026
  2. MHRA Products: licensed-medicine search for "semax". Medicines and Healthcare products Regulatory Agency (UK). Accessed Oct 15, 2026
  3. EMA medicines data: centrally authorised human medicines (export of 14 October 2026). European Medicines Agency. Accessed Oct 15, 2026
  4. EMA Article 57 product data: medicines authorised in the EU/EEA (data as of 9 October 2026). European Medicines Agency. Accessed Oct 15, 2026
  5. Drug Product Database online query (searched by active ingredient). Health Canada. Accessed Oct 15, 2026
  6. Therapeutic Goods (Poisons Standard—October 2026) Instrument 2026 (F2026L01327, registered 30 September 2026). Federal Register of Legislation, Australian Government. Accessed Oct 15, 2026
  7. World Anti-Doping Code International Standard: Prohibited List 2026 (in force 1 January 2026). World Anti-Doping Agency. Accessed Oct 15, 2026
  8. Influence of the N-terminus acetylation of Semax, a synthetic analog of ACTH(4-10), on copper(II) and zinc(II) coordination and biological properties. Journal of Inorganic Biochemistry (2016). Accessed Oct 15, 2026