Semax
Also known as: Semax (ACTH(4-10) analog, Met-Glu-His-Phe-Pro-Gly-Pro)
Semax is a synthetic heptapeptide derived from ACTH(4-10). It is registered as a drug in Russia (1994) for acute ischemic stroke, asthenic states, and optic nerve disease; it is not FDA-approved.
Who's worth your money for Semax
Every current seller, ranked by independent evidence — Merit Score, latest COA purity, and live $/mg (size-normalized). Prices refresh daily. Rankings are never paid.
Top Merit pick
Highest Merit Score (99) of 31 scored sellers
$60.00 · 20mg · 99.9% purity
Best value after code
$0.03/mg effective with 15% code
$0.35 · 10mg
Most tested
7 independent COAs on file
$40.99 · 10mg · 100.0% purity
Average price
$4.63/mg
Sellers
88
45-day trend
+3.1%
74 of 88 sellers have a current price· 17 stale hidden· 26 unverified hidden
Top Merit pick
🇺🇸 Peptide Partners99✓ verified at source · 23h ago
$3.00/mg -35.3% vs avg$60.00
20mg
- 🇺🇸 Glacier Aminos99
✓ verified at source · 23h ago
$4.10/mg -11.5% vs avg$40.99
10mg
- 🇺🇸 BioLongevity Labs96
✓ verified at source · 23h ago
$3.25/mg -29.9% vs avg$64.97
20mg
- 🇺🇸 Moglabs96
via Disclosed Labs · 23h ago
$5.20/mg +12.2% vs avg$26.00
5mg
- 🇺🇸 Licensed Peptides95
✓ verified at source · 23h ago
$2.57/mg -44.6% vs avg$76.99
30mg
- 🇺🇸 Reta One Labs95
✓ verified at source · 23h ago
$2.90/mg -37.4% vs avg$29.00
10mg
- 🇺🇸 Orbitrex Peptides95
via Disclosed Labs · 23h ago
$3.00/mg -35.3% vs avg$89.99
30mg
- 🇺🇸 Prime Peptides95
via Disclosed Labs · 23h ago
$5.00/mg +7.9% vs avg$50.00
10mg
no purity - 🇺🇸 Profound Aminos95
via Disclosed Labs · 23h ago
$6.50/mg +40.3% vs avg$65.00
10mg
- 🇺🇸 Forge Performance Co.94
✓ verified at source · 23h ago
$4.00/mg -13.7% vs avg$40.00
10mg
Prices observed from public storefronts (last 24h), normalized to $/mg. "Evidence" is Merit's 0–100 Merit Score, derived only from observable verification evidence (methodology on /about); "Purity" is the latest independent COA. Some buy links are affiliate links — Merit may earn a commission at no extra cost to you, and where a vendor offers one, the code shown gets you a discount at their checkout. Affiliate status never affects price data, ranking, or the Merit Score (full policy on /disclosure). Research use only.
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About Semax
CAS
80714-61-0
Molecular formula
C37H51N9O10S
Sequence
MEHFPGP
Typical dose range
300–1000 mcg/day intranasal or subcutaneous; research protocols range from 300 mcg to 1200 mcg/day
Half-life
~2–3 minutes (plasma); CNS effects persist hours to days via direct olfactory/trigeminal delivery
COAs for Semax
92 third-party tests across 27 vendors. Each card links to the full report.
For
Semax
by Peptide Plugs· batch 148-03-DK
For
Semax
by Ion Peptide· batch XA10-06242026
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Semax
by Ion Peptide· batch XA10-06242026
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Semax
by Real Peptides· batch RP062326SX
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Semax
by Crush Research· batch CR-SMX-10-2605-1
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Semax
by Moglabs· batch SX002
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Semax
by Arcane Peptides· batch SX002
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Semax
by Arcane Peptides· batch SX002
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Semax
by Moglabs· batch SX002
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Semax
by NG Peptide· batch SMX-09
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Semax
by Pepsgpt· batch P-1902514-P
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Semax(N-Acetyl) 30mg
by Ion Peptide· batch NASK30-04222026
For
Semax
by Riptide Wellness· batch RWSMX-10-1002
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Semax
by Peptide Plugs· batch 122-A-S
For
Semax
by Ion Peptide· batch SX10-04072026
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Semax
by Ion Peptide· batch SX10-04082026
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Semax
by Crush Research· batch CR-SMX10-2603-1
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Semax
by Crush Research· batch CR-SMX10-2603-1
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Semax
by Peptide Partners· batch SX202603
For
Semax
by Peptide Partners· batch SX202603
For
Semax
by Sunrise Bioresearch· batch SMX10226-1
For
Semax
by Orbitrex Peptides· batch SEM100426
For
Semax
by Glacier Aminos· batch SMXGA-02
For
Semax
by Peptidegurus· batch 1st Feb 2026
12 citations indexed for Semax
Study · 2026
Digitally Guided Hybrid Maxillary Expansion with Supragingival Mandibular Miniplates for Class III Correction in Late Adolescents: A Pilot Clinical Study
Background: Management of skeletal Class III malocclusion of maxillary origin in late adolescence remains challenging, as conventional tooth-borne orthopedic approaches show reduced effectiveness at advanced stages of skeletal maturation.
Study · 2026
Multi-Layer Magnetic Shields Based on Fe-Based Nanocrystalline and Co-Based Amorphous Ribbons
We constructed a multi-layer composite magnetic shield composed of Fe-based nanocrystalline (FN) and Co-based amorphous (CA) ribbons, and focused on the influence of the number of layers and their arrangement on the shielding effectiveness (SE).
review · 2026
Therapeutic peptides in gerontology: mechanisms and applications for healthy aging
Background Peptide therapeutics represent an emerging frontier in gerontological medicine, targeting fundamental hallmarks of aging including metabolic dysfunction, telomere attrition, tissue repair impairment, and hormonal decline.
Study · 2026
[Effect of a combined physiotherapeutic approach on changes in functional parameters after endovitreal surgery of rhegmatogenous retinal detachment with a favorable anatomical outcome]
Objective The study evaluated the effect of combined physiotherapeutic treatment (CPT) on changes in functional retinal parameters after endovitreal surgery of rhegmatogenous retinal detachment (RRD) with a favorable anatomical outcome.
review · 2026
Therapeutic Peptides in Aesthetic, Metabolic and Endocrine Conditions: Effects, Safety, Clinical Applications, and Future Perspectives
Therapeutic peptides are short chains of amino acids used to treat metabolic and endocrine conditions such as obesity and type 2 diabetes.
review · 2026
Therapeutic Peptides in Orthopaedics: Applications, Challenges, and Future Directions
Therapeutic peptides are emerging as promising adjuncts in the management of orthopaedic injuries, grounded in their ability to modulate molecular signaling networks central to cellular medicine.