Description
N-Acetyl Semax is a modified version of the ACTH-derived research peptide with an acetyl group added to its N-terminus. Limitless Life Nootropics offers it in 20mg and 30mg vials, produced in the USA and independently tested for purity.
What Is N-Acetyl Semax?
Peptides are vulnerable to aminopeptidases, enzymes that cleave amino acids one by one from the N-terminal end. Adding an acetyl cap is a common medicinal chemistry strategy to block that degradation pathway, and it can also change how a peptide interacts with membranes and receptors.
Researchers use the acetylated molecule to study whether improved enzymatic stability translates into longer activity in models of neuroprotection, neurotrophin expression and cognitive function. Because the underlying sequence matches the original peptide, it provides a useful comparison point in structure–activity work.
Two grades are available: Premium lyophilized powder for long-term storage and a Non-Lyophilized grade. Both come in 20mg and 30mg sizes.
Research Applications
Published preclinical work has examined this peptide across several areas of investigation:
- Enzymatic stability and half-life comparisons
- Neuroprotection in oxidative stress models
- BDNF signaling and synaptic plasticity
- Structure–activity relationships of ACTH fragments
- Behavioral studies of attention and memory
Researchers can review peer-reviewed studies on this compound through the National Library of Medicine (PubMed) database.
N-Acetyl Semax Specifications
| Product | N-Acetyl Semax |
|---|---|
| Compound type | N-acetylated heptapeptide |
| Available sizes | 20mg, 30mg |
| Format | Lyophilized (freeze-dried) powder in a sealed glass vial |
| Purity | ≥99% (HPLC verified) |
| Origin | Manufactured in the USA |
| Testing | Independent third-party lab |
| Intended use | Laboratory research only |
Why Researchers Choose Us
When a protocol depends on precise inputs, sourcing matters. Limitless Life Nootropics works only with U.S. manufacturing partners, verifies every lot with independent testing, and stores finished product under controlled conditions. The result is dependable, well-documented material that helps your team reduce variability between experiments and focus on the science.
Quality and Third-Party Testing
Every batch of this peptide sold by Limitless Life Nootropics is produced in the United States and verified by an independent third-party laboratory. Testing includes HPLC purity analysis and mass spectrometry identity confirmation, and a certificate of analysis is available for each lot so researchers can document exactly what they are working with.
Storage and Handling of N-Acetyl Semax
For maximum shelf life, keep this peptide in its original sealed vial in a freezer (-20°C). Reconstituted material should be refrigerated, handled with sterile technique, and never left at room temperature for extended periods.
Need supplies? Pair your order with our reconstitution solution and sterile 10 mL vials for convenient preparation.
Ordering and Shipping
Orders placed with Limitless Life Nootropics are processed within one to two business days and ship from the United States in discreet, protective packaging. Temperature-sensitive items are packed to limit heat exposure in transit, and every order includes tracking so your lab knows exactly when materials will arrive. Secure checkout protects your payment details at every step.
Related Research Products
Teams working with this peptide often explore N-Acetyl Selank, N-Acetyl Selank Amidate and N-Acetyl Selank Amidate Spray. Browse the full Cognitive Research collection, or view every compound in our research peptide catalog at Limitless Life Nootropics.
Frequently Asked Questions
Why is the peptide acetylated?
N-terminal acetylation blocks aminopeptidase activity, which is expected to improve the peptide’s stability in biological systems.
What sizes are available?
This peptide is available in 20mg and 30mg vials.
Is N-Acetyl Semax for human use?
No. It is sold strictly for laboratory research. It is not intended for human or animal consumption, diagnosis or treatment.
Where can I buy N-Acetyl Semax online?
You can order it directly from Limitless Life Nootropics, a U.S. supplier of third-party tested research peptides with fast, discreet shipping.
Research Use Only
All products sold by Limitless Life Nootropics are intended strictly for in-vitro laboratory research and scientific study. This product is not a drug, food, supplement or cosmetic, has not been evaluated by the FDA, and is not for human or veterinary use. Purchase is limited to qualified researchers aged 21 and over.
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