How is Cortagen packaged?
Cortagen is supplied in the product format and quantity shown for the selected variant. Please inspect the sealed package when it arrives and contact support promptly if the package or labeling appears damaged.

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Cortagen 20mg vials, a short synthetic peptide supplied for laboratory use. Tested by Janoshik or Bioregen for purity and endotoxins, COA published.
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Cortagen Research Peptide Overview
Cortagen is a synthetic tetrapeptide bioregulator investigated for its interactions with cerebral cortex and neural tissue gene expression and cellular regulatory pathways in preclinical models.
Molecular Composition and Mechanistic Profile
Peptide identity: Cortagen is a four amino acid peptide with the sequence Ala Glu Asp Pro (AEDP).
Origin: Synthetic short regulatory peptide obtained by directed synthesis based on amino acid analysis of natural brain cortex peptide preparations in the bioregulator class.
Mechanistically, Cortagen has been associated with:
Modulation of gene expression patterns relevant to cortical and neural cells in experimental systems.
Influence on cellular regulatory pathways observed in brain tissue and related preparations.
Effects on structural and functional recovery markers in neural tissue models.
These properties position Cortagen as a tool for studying tissue specific bioregulatory signaling in neural models.
Integrated Research Applications
Cortagen is examined in systems focused on cortical and neural tissue regulation. Representative domains include:
Cerebral cortex and neuronal models: Investigation of gene expression and cellular activity markers in cultured cells and animal tissue preparations.
Neural recovery studies: Evaluation of effects on structural and functional markers in experimental nerve tissue systems.
Gene regulation research: Assessment of transcriptional influences in laboratory settings including microarray based analyses.
Comparative bioregulator research: Use alongside related short peptides to explore organ specific regulatory mechanisms in controlled laboratory settings.
Analytical Validation, Formulation, and Storage
NextGenPeps supplies Cortagen as a high purity research peptide. Typical quality and handling features include:
Purity: ≥99% verified by HPLC.
Formulation: White lyophilized powder in sealed glass vials, intended for reconstitution with appropriate research grade solvent for experimental use only. No dosing guidance is provided for any organism.
Storage: Keep lyophilized material in a cool dark dry environment; long term storage at or below −20 °C. Store reconstituted solutions refrigerated, minimize freeze thaw cycles, and use within laboratory defined stability windows.
NextGenPeps supplies Cortagen as a high purity research peptide intended strictly for controlled laboratory use in vitro or in established animal models, such as murine systems. This compound is not approved as a drug, diagnostic, or dietary ingredient, and is not manufactured, packaged, or marketed for human consumption, self experimentation, clinical application, or any use outside properly designed and ethically approved research protocols.
Cortagen is supplied in the product format and quantity shown for the selected variant. Please inspect the sealed package when it arrives and contact support promptly if the package or labeling appears damaged.
Orders are shipped within the United States via USPS. Transit times are typically 3–7 business days, depending on destination and carrier conditions. Tracking information is provided when available.
Storage requirements are product-specific. Keep Cortagen in its original labeled container and follow the product documentation or manufacturer instructions supplied with the order. Contact support if the applicable storage guidance is not available.
Due to the nature of research materials, NextGenPeps orders are final and are not eligible for refunds, returns, or exchanges. Review the shipping and reship policies before ordering.
No. NextGenPeps materials are supplied strictly for laboratory research and development use and are not intended for human or animal consumption, clinical use, diagnostic use, cosmetic use, or dietary use.
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What is Cortagen? Cortagen is a synthetic peptide made of four amino acids: alanine, glutamic acid, aspartic acid, and proline (sequence Ala-Glu-Asp-Pro, or AEDP). It's part of the Khavinson family of Russian bioregulator peptides, and this one is built around the brain, specifically the cerebral cortex. It's the synthetic short peptide version of Cortexin, an older natural extract made from cattle brain cortex tissue.
The core idea is that these short peptides can cross into the cell nucleus and bind to specific DNA sequences in gene-promoter regions, which then affects which genes get turned on or off in a tissue specific way. For Cortagen, that's supposed to translate into effects on nerve tissue and inflammation in the brain. One of the more concrete pieces of research on it comes from a nerve injury study. In rats with a cut and repaired sciatic nerve, daily Cortagen injections for 10 days increased the growth rate of regenerating nerve fibers by about 27 percent and improved nerve conduction speed by about 40 percent.
The closest match is Cortexin, since Cortagen was specifically designed to replicate its effects in a single, defined molecule rather than the mixed extract that Cortexin actually is. Pinealon is another frequently compared peptide, since Pinealon targets the pineal gland and brain more broadly, while Cortagen is aimed specifically at the cortex, and the two are often combined in research protocols.

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