Cortagen
Preclinical ResearchCortagen
A bioregulator peptide derived from cortical brain tissue. Researched for neuroprotection, cognitive function, and nervous system health.
Dose
0.1 mg
Route
SubQ injection, Nasal spray
Cycle
10 days
Storage
Store refrigerated at 2-8°C (36-46°F), protected from light
What is Cortagen?
Cortagen is a synthetic tetrapeptide derived from the peptide bioregulators isolated from the cerebral cortex of young animals. It is specifically designed to mimic the biological activity of endogenous regulatory peptides in brain tissue. Research into Cortagen focuses on its potential role in neuroprotection, supporting cognitive functions, and promoting overall nervous system health by modulating gene expression and cellular processes within cortical brain cells. Its mechanism is believed to involve restoring the balance of cellular metabolism and function, thereby contributing to brain cell recovery and maintaining neuronal homeostasis.
Key Benefits
- Neuroprotection
- Cognitive function support
- Nervous system health
- Brain cell recovery support
Mechanism of Action
- Bioregulator targeting brain cortex
- Modulates neuronal gene expression
- Supports nervous system homeostasis
Best For
- Neurological health research
- Cognitive longevity research
Body Systems

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Molecular Information
Molecular weight
429.46 g/mol
Length
4 amino acids
Type
Tetrapeptide
Amino acid sequence
AEDG
Acetyl-Asp-Glu-Gly-OH or N-Acetyl Aspartyl Glutamyl Glycine
Research Indications
Protection against neurodegenerative processes
Research indicates Cortagen's potential to protect neuronal cells from various damaging factors, including oxidative stress and excitotoxicity.
Recovery from brain injury
Studies explore its role in supporting the recovery and regeneration of brain cells following traumatic brain injury or ischemic events.
Research Protocols
| Goal | Dose | Frequency | Route |
|---|---|---|---|
| General Neuroprotection & Cognitive Support (Subcutaneous) | 0.1 mg | Daily for 10 days | Subcutaneous injection |
| General Neuroprotection & Cognitive Support (Nasal) | 0.1 mg | Daily for 10 days | Nasal spray |
| Intensive Cognitive Enhancement (Subcutaneous) | 0.1-0.2 mg | Daily for 10-14 days | Subcutaneous injection |
| Long-term Brain Health Maintenance (Subcutaneous, cycled) | 0.1 mg | 10-day cycle, repeated every 3-6 months | Subcutaneous injection |
| Acute Neuroprotective Response (Subcutaneous) | 0.2 mg | Once daily for 5-7 days | Subcutaneous injection |
Research protocols often involve short, intensive cycles followed by long breaks, reflecting its bioregulatory nature.
Peptide Interactions
- Compatible
No direct known interactions
Currently, there are no well-documented adverse interactions of Cortagen with common medications or other supplements in peer-reviewed literature. However, research is ongoing.
- Monitor Combination
Nootropics (e.g., Piracetam, Noopept)
While theoretically synergistic for cognitive enhancement, specific research on combined effects with Cortagen is limited. Users should monitor for any unexpected responses.
- Synergistic
Antioxidants (e.g., Alpha-lipoic acid, Vitamin C)
Given Cortagen's proposed neuroprotective mechanisms, co-administration with antioxidants may offer synergistic benefits in protecting brain cells, though specific research is needed.
- Compatible
Acetylcholine Precursors (e.g., Alpha-GPC, Citicoline)
These compounds support neurotransmitter systems that are distinct from Cortagen's primary action. No known adverse interactions, and may complement cognitive support.
How to Reconstitute
- 1Gather supplies: Cortagen vial, bacteriostatic water for injection, sterile syringe, and alcohol wipes.
- 2Remove the protective cap from the Cortagen vial.
- 3Wipe the rubber stopper of the Cortagen vial and the bacteriostatic water vial with alcohol wipes.
- 4Draw 1 mL of bacteriostatic water into the syringe.
- 5Inject the bacteriostatic water into the Cortagen vial, aiming the stream at the glass wall to avoid direct contact with the peptide powder.
- 6Gently swirl (do not shake) the vial until the powder is completely dissolved. This may take a few minutes.
- 7Once dissolved, the solution is ready for administration. Store according to guidelines.
A common diluent for subcutaneous injection is bacteriostatic water. For nasal administration, specialized diluents or formulations are often used.
What to Expect
- Week 1-2: Initial subtle improvements in focus or mental clarity may be reported in some research subjects.
- Week 3-4 (after a cycle): More noticeable improvements in cognitive performance, memory, and overall mood may begin to emerge.
- Months 3-6 (after subsequent cycles): Enhanced neuroprotective effects and sustained cognitive benefits are the primary long-term research interests.
- Continued improvements in resilience to stress and support for brain health are often observed over time with repeated cycling.
- Variability in response among research subjects is common, with some showing more pronounced effects than others.
Side Effects & Safety
| Effect | Frequency | Severity |
|---|---|---|
| Minimal reported | Rare | Mild |
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Open CalculatorPeptides discussed here are for research purposes only. Nothing on this page is medical advice. Always consult a qualified professional before making health decisions.