Is Cortagen FDA approved?

No. The source states that Cortagen is not FDA approved and also notes lack of FDA or EMA approval. It separately reports preclinical status and approval in Russia as a supplement.

What side effects or safety limitations are reported?

The source reports that Cortagen is generally well tolerated but emphasizes limited safety information outside Russia. It also lists lack of FDA approval, which is a regulatory point rather than an adverse effect.

What dose does the source report?

The source lists 10-20 mg daily as a community-reported common amount, with once- or twice-daily frequency, oral capsule or sublingual administration, and 10-30 day cycles in one research-labeled row. These entries are evidence summaries for review and are not medical instructions.

Bioregulators Preclinical - animal studies only

Cortagen

Also known as: Ala-Glu-Asp-Pro, AEDP

At a glance

PeptiGuide dataset · reviewed Aug 2026

What it is

Synthetic AEDP tetrapeptide from Khavinson bioregulator research

Status

Preclinical

Evidence level: animal studies

Typical dose

10–20mg

Oral capsules or sublingual

Researched for

Brain function, cognitive support, neuroprotection

Trial progress

PrePreclinical
IPhase I
IIPhase II
IIIPhase III
IVPhase IV
FDAFDA approved

Preclinical - Promising animal research, limited human data

Use the tools

In plain language

Cortagen is a synthetic tetrapeptide also identified as Ala-Glu-Asp-Pro or AEDP.
It is associated with Khavinson bioregulator research and is described as a defined-sequence counterpart to Cortexin.
Source-listed research areas include brain function, cognitive support, and neuroprotection.
Evidence is characterized as , with animal, , and Russian-institute work rather than Western randomized human trials.
The source states Cortagen is not FDA approved.

How it's thought to work

Cortagen is presented as part of the Khavinson short- bioregulator model. The source describes a hypothesis in which small peptides can reach the cell nucleus and associate with DNA and histone proteins, potentially influencing gene expression instead of signaling primarily through a membrane receptor. For Cortagen, the proposed tissue focus is the brain cortex and neuronal repair biology. The source cautions that this peptide-DNA concept remains a hypothesis from a limited research lineage and has relatively thin independent validation.

What the research shows

Where the research stands

The source highlights a rat sciatic-nerve injury experiment in which intramuscular Cortagen at 10 micrograms per kilogram for 10 days was associated with faster regenerating fiber growth and higher conduction velocity after nerve cutting and suturing. It also cites a Khavinson organ-culture paper reporting selective stimulation of rat brain cortex explants. Other described evidence includes small or animal studies from the same research environment, including gene-expression and aging-model work. The source does not identify Western randomized controlled human trials for cognition, neuroprotection, or other outcomes, so the overall evidence base remains preliminary.

What it shows

✓ Animal studies

Promising animal research, limited human data

△ Limitations

Animal study doses may not translate directly to humans.

Bottom line: Preclinical research; source also reports approval in Russia as a supplement Not FDA approved

Typical dosing

CommunityCommunity dataset

10–20 mg

daily

10 mgfull range seen20 mg

Community-reported cyclic use for a brain/CNS bioregulator; this is not established clinical dosing.

Research dosing

Animal studies onlyAnimal studies only - may not translate to humans

Doses observed in studies

10-20 mg daily

Animal study doses may not translate directly to humans.

Duration: 10-30 day cycles
Administration: Oral capsules or sublingual

Timing & administration

Best time to take

Morning on an empty stomach

Once or twice daily

Food recommendation

Take on an empty stomach

Why this timing?

The source links fasted use to a general absorption rationale for peptide bioregulators; it does not provide controlled comparative timing data.

Possible side effects

Not everyone experiences these. Individual responses vary with dose, duration, and personal factors.

Generally well tolerated
Limited safety data outside Russia
Not FDA approved

Not everyone experiences side effects, and severity can vary by context, purity, route, and individual health factors.

Sources

PubMed ClinicalTrials.gov FDA.gov

Frequently asked questions

Cortagen is described as AEDP, a defined four-amino-acid synthetic peptide associated with Vladimir Khavinson's bioregulator research. The source frames it as a Cortexin-related defined-sequence compound and says it has mainly been studied in brain, nerve repair, cognitive, neuroprotection, and aging contexts. The evidence described is mostly animal, in vitro, or Russian-institute work rather than high-quality Western human trials.

The proposed model comes from the Khavinson research program. In that framework, very short peptides may enter the nucleus and interact with DNA or histone structures, potentially altering gene-expression patterns in tissue-specific ways. For Cortagen, the source connects that hypothesis to brain cortex biology and possible neuronal support. This should be treated as a proposed mechanism with limited independent confirmation, not as settled biology.

Sequence

H-Ala-Glu-Asp-Pro-OH (AEDP)

One open dataset

Every fact on this page - doses, side effects, references - comes from the same PeptiGuide dataset that powers the Tracker, Compare, and the Lab.

Browse the dataset

Save to my research list Get updates on Cortagen

Educational resource, not medical advice. Talk to your clinician before acting on anything here.

Community discussion

Comments are moderated before they appear. Keep it evidence-focused.

Cortagen

In plain languageIn plain language

How it's thought to workHow it's thought to work

What the research showsWhat the research shows

Typical dosing

Research dosing

Timing & administrationTiming & administration

Possible side effectsPossible side effects

SourcesSources

Frequently asked questionsFrequently asked questions

What is Cortagen researched for?

How is Cortagen proposed to work?