Semax 10 mg vial
- Evolve Peptides$31.90Listed priceCOA tested Jan 20, 2026
- Polaris Peptides$40Listed price · deal not verifiedCOA tested Apr 28, 2026
- Glacier Aminos$40.99Listed price · deal not verifiedCOA tested Nov 15, 2025
Semax is a synthetic peptide studied in nervous-system and cognitive research. Much of the published record is experimental or comes from limited regional clinical use.
Also known as semax
Current picks · Nov 14, 2026
Up to three of the lowest effective prices per exact product among vendors that passed the trust floor, were in stock and checked within 72 hours, and have a COA on file for that product and strength tested within 12 months. Affiliate relationships never affect picks or their order.
Same format. Same amount.
4 of 7 exact products have at least one pick. Vendor counts reflect the current price observations. Testing records for every vendor and strength: Semax COAs →
Historical market context
Historical market low and median per mg across recorded offers. These market summaries are separate from our exact-product comparisons.
History updated Sep 21, 2026. Vendor coverage, package sizes, product forms and promotions can vary over time. Use exact-product comparisons for current listed prices; historical market prices do not establish vendor trust.
| Date | Low /mg | Median /mg | Vendors | Offers |
|---|---|---|---|---|
| $0.79 | $4.00 | 86 | 125 | |
| $0.88 | $4.43 | 83 | 114 | |
| $1.60 | $4.00 | 52 | 82 | |
| $0.36 | $3.92 | 31 | 54 |
What it is
Semax is a synthetic peptide studied in nervous-system and cognitive research. Much of the published record is experimental or comes from limited regional clinical use.
This label describes the available research record, not whether the compound is safe or effective for an individual.
Research context
Indexed work includes neurobiological and functional-connectivity questions, sometimes alongside Selank. The search did not find a clearly matched U.S. registered study under the exact name, and the evidence should not be read as proof of a cognitive or neurological benefit.
Search indexed research for this compound ↗Market context
Semax is commonly sold or discussed for focus, memory, mood, and other cognitive goals. That describes market demand, not proof that the compound is safe or effective.
Market demand and online discussion do not establish product quality, safety, or effectiveness.Vendor directory
Grades describe the vendor record overall, not a test of every product. Lowest prices are effective single-package prices across formats; open a comparison for the exact product.
| Vendor | Grade | Offers | In stock | Lowest effective package |
|---|---|---|---|---|
| Amino Science | Grade A- | 2 | 2 | $35 · 10 mg sprayObserved Nov 14, 2026 |
| EZ Peptides | Grade A- | 1 | 1 | $44 · 10 mg vialObserved Nov 14, 2026 |
| Nura Peptide | Grade A- | 2 | 2 | $45 · 10 mg vialEarlier observation Oct 9, 2026 |
| Peptide Plugs | Grade A- | 1 | 1 | $40 · 10 mg vialObserved Nov 14, 2026 |
| Polaris Peptides | Grade A- | 1 | 1 | $40 · 10 mg vialObserved Nov 14, 2026 |
| Ascension Peptides | Grade A- | 1 | 1 | $50 · 10 mg vialObserved Nov 14, 2026 |
| Forge Performance Co | Grade A- | 1 | 1 | $40 · 10 mg vialEarlier observation Sep 27, 2026 |
| Evolve Peptides | Grade A- | 2 | 2 | $22.90 · 5 mg vialObserved Nov 14, 2026 |
| GenPeptide | Grade A- | 1 | 1 | $35 · 10 mg vialEarlier observation Oct 20, 2026 |
| Orbitrex Peptides | Grade A- | 2 | 1 | $29.99 · 10 mg vialObserved Nov 14, 2026 |
| Puratek Peptides | Grade A- | 1 | 1 | $32.95 · 10 mg vialObserved Nov 14, 2026 |
| Southern Aminos | Grade A- | 1 | 1 | $24.20 · 10 mg vialEarlier observation Nov 2, 2026 |
| Ameano Peptides | Grade B+ | 1 | 1 | $44 · 10 mg vialObserved Nov 14, 2026 |
| Blue Ridge Peptides | Grade B+ | 1 | 1 | $40 · 10 mg vialObserved Nov 14, 2026 |
| Glacier Aminos | Grade B+ | 2 | 2 | $40.99 · 10 mg vialObserved Nov 14, 2026 |
| Alpha Peps | Grade B+ | 1 | 1 | $35 · 10 mg vialObserved Nov 14, 2026 |
| Alpha Pro Peptides | Grade B+ | 1 | 1 | $44.99 · 10 mg vialObserved Nov 14, 2026 |
| Peptide Crafters | Grade B+ | 1 | 1 | $35 · 10 mg vialEarlier observation Nov 1, 2026 |
| Prime Lab Peptides | Grade B+ | 1 | 1 | $70 · 5 mg vialEarlier observation Oct 28, 2026 |
| Oasis Peptides | Grade B+ | 1 | 1 | $45 · 10 mg vialObserved Nov 14, 2026 |
| Oros Research | Grade B+ | 1 | 1 | $59.99 · 30 mg vialEarlier observation Oct 29, 2026 |
| Silverstone Labs | Grade B+ | 1 | 1 | $34 · 10 mg vialObserved Nov 14, 2026 |
| RIVN Peptides | Grade B+ | 1 | 1 | $44.99 · 10 mg vialObserved Nov 14, 2026 |
| Simple Peptide | Grade B | 1 | 0 | $55 · 10 mg vialEarlier observation Sep 27, 2026 · out of stock |
| TCore Biotech | Grade B | 1 | 1 | $27.99 · 10 mg vialObserved Nov 14, 2026 |
| Biolongevity Labs | Grade B | 1 | 1 | $64.97 · 20 mg vialObserved Nov 14, 2026 |
| Coffee and Peppers | Grade B | 1 | 1 | $404.99 · 10 mg vial · pack of 10Earlier observation Oct 4, 2026 |
| Paramount Peptides | Grade B | 1 | 1 | $68 · 30 mg vialObserved Nov 14, 2026 |
| Rescue Research | Grade B | 1 | 1 | $49.99 · 10 mg vialEarlier observation Oct 18, 2026 |
| NuLife Peptides | Grade B | 1 | 1 | $70 · 30 mg vialEarlier observation Oct 17, 2026 |
| Premier Bio Labs | Grade A- | 1 | 1 | $330 · 10 mg vial · pack of 10Earlier observation Sep 21, 2026 |
| NextechLabs | Grade C | 2 | 2 | $45 · 10 mg vialEarlier observation Oct 4, 2026 |
| AIO Peptides | Not graded | 1 | 1 | $40.80 · 10 mg vialObserved Nov 14, 2026 |
| Nova Life Peptides | Not graded | 1 | 1 | $55 · 10 mg vialObserved Nov 14, 2026 |
| Nuscience Peptides | Not graded | 1 | 1 | $34.99 · 10 mg vialObserved Nov 14, 2026 |
| Pharma Grade Peptides | Not graded | 1 | 1 | $64.99 · 30 mg vialObserved Nov 14, 2026 |
| Skye Peptides | Not graded | 1 | 1 | $69 · 30 mg vialObserved Nov 14, 2026 |
29 tracked vendors list Semax without a current offer: Bulk Peptide Supply (Grade B+), Rocky Mountain Compounds (Grade B+), Panda Peptides (Grade B+), Peptide Partners (Grade B+), MedVinci Research (Grade B+), Core Peptides (Grade B+), Licensed Peptides (Grade B+), SaiyanMed (Grade B+), Ion Peptides (Grade B), RUO (Grade B), Chameleon Peptides (Grade B), Eternal Peptides (Grade B), Nationwide Peptides (Grade B+), VAYN (Grade B), Prime Peptides (Grade B), NextGen Peptides (Grade B), Blank Peptides (Grade B), Royal Peptides (Grade B), Vital Core Research (Grade B), Mile High Compounds (Grade B), Peptidology (Grade C), Oath Research (Grade C), Swiss Chems (Grade C), American Peptide Research (Not graded), Atomik Labz (Not graded), Longevity Peptides (Not graded), Northline Labs (Not graded), Planet Peptide (Not graded), Tydes (Not graded).
Sources and review
Last editorial review: Aug 30, 2026. Sources support the compound guide only and do not affect vendor grades.