Where to Buy Semax
Research-Grade Sourcing Guide (2026)
Semax is a synthetic heptapeptide derived from the ACTH(4-10) sequence, studied extensively for its effects on neurotrophin expression, neuroprotective signaling, and neuroimmune interactions in preclinical models. One of the few peptides approved for clinical use in Russia (registered since 1995), providing a clinical literature base that distinguishes it from many research-only compounds.
At a Glance
Helixera Labs Semax Spray — $109.95 / 30mg
Ready-to-use liquid spray · Third-party tested · Same or next business day · For research use only
1. Regulatory status and research context
Semax is registered as a pharmaceutical in Russia and has been in clinical use there since 1995 for neurological and cognitive applications. It is not FDA-approved and is not available through US pharmacies or prescribers. It is not a scheduled controlled substance in the United States and is legal to purchase for legitimate laboratory research.
Research use only. Semax sold by Helixera Labs is for laboratory research use only. Not for human or veterinary use.
2. Format selection — lyophilized vs. pre-mixed nasal spray
| Format | Pros | Cons | Best for |
|---|---|---|---|
| Lyophilized powder vial | Longer shelf life; researcher controls reconstitution concentration; more stable in transit | Requires reconstitution; additional equipment needed | Extended protocols; precise concentration control |
| Pre-mixed nasal spray | Ready to use; consistent concentration per spray | Shorter post-opening stability; less concentration flexibility | Standardized mucosal delivery research |
N-Acetyl Semax note: Some vendors offer N-Acetyl Semax or N-Acetyl Semax Amidate — acetylated variants with different stability and activity profiles. These are distinct compounds from standard Semax and should not be treated as interchangeable. Verify which variant is being procured before ordering.
3. Vendor evaluation criteria
Research-Grade Semax — Vendor Checklist
- ≥98% HPLC purity from an independent laboratory
- Mass spectrometry sequence identity confirmation (MW ~887 Da for standard Semax)
- Batch-specific COA with matching lot number
- Cold-chain shipping — Semax degrades faster than larger peptides if heat-exposed in transit
- Clearly labeled variant — standard Semax, N-Acetyl Semax, or Amidate form
- Research-only compliance language
Red flags: No variant specification · Generic COA not lot-matched · No cold-chain option · Pre-mixed spray with no stability data · Any therapeutic claims
4. 2026 pricing overview
| Format | Quality vendor range | Budget range |
|---|---|---|
| 5mg lyophilized vial | $45–$70 | $25–$40 |
| 10mg lyophilized vial | $75–$110 | $45–$65 |
| 30mg pre-mixed spray | $90–$130 | $50–$75 |
5. Helixera Labs Semax
Semax — Liquid Spray (30mg)
ACTH-Derived Neuropeptide · Ready-to-Use Spray Format · For research use only
- 30mg per bottle — pre-mixed liquid spray format
- Third-party purity tested
- Same or next business day fulfillment from Ukiah, CA
- Free 2-day shipping on orders $150+
- Discreet plain packaging · US-based fulfillment
- Support: 1-866-463-0683
For research context, see the Semax Research Overview. Related compound: Selank Research Overview.
FAQ
Order Semax from Helixera Labs
30mg spray · Third-party tested · Same or next business day · For research use only