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Nootropics / Cognitive Support

Pinealon: EDR Identity, Evidence and Dose References

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Quick Reference Card

Attribute

Identity

Research reference
Pinealon is the synthetic tripeptide Glu-Asp-Arg, abbreviated EDR. It should not be confused with Epitalon/AEDG or with broad brain, cortex or pineal extract products. [1][2]

Attribute

Product distinction

Research reference
Public capsule products can describe a peptide complex such as AC-5 rather than pure EDR per capsule. Research vials and sprays are separate commercial forms with different quality and route questions. [3][4][5]

Attribute

Evidence level

Research reference
Mechanistic and preclinical evidence is stronger than clinical evidence. Published work includes cell-culture ROS studies, rat offspring experiments, DNA/nuclear-localization studies and a 2024 induced-neuron model. [1][6][7][8][13]

Attribute

Human evidence

Research reference
Review articles summarize older Russian clinical observations, including a 72-patient post-TBI/cerebrasthenia report, but modern independent randomized human trials were not found. [1][9][10]

Attribute

Practical caution

Research reference
Sleep, REM, nootropic and anti-aging claims are not established by direct controlled human studies. Product identity and route should be recorded separately. [9][10]

Quick dose reference

No established pure-peptide human dose was found. Oral complex capsules and public vial protocols should stay separate. Any dosing protocol should be reviewed with a qualified healthcare practitioner.

Injection under the skin (subcutaneous)

Online sourced dosing details

Reported amount
1–2 mg
Frequency
Once daily
Duration
10–20 days
Dose adjustment
Increase from 1 to 2 mg claimed by some pages
Reported range & limits
Public subcutaneous rows vary from 200 mcg to 2 mg daily. No effective minimum or safe upper limit is established for pure EDR.
Evidence and range contextReview the full source references below.
Public subcutaneous vial cycle

Included as a public-vial convention, distinct from oral AC-5 capsules.

Public pages disagree from 200 mcg to 2 mg daily.

Oral capsules

Online sourced dosing details

Reported amount
20–40 mg AC-5
Frequency
1–2 capsules twice daily
Duration
1 month
Dose adjustment
None specified
Reported range & limits
The AC-5 capsule row reports 20–40 mg daily product complex. It does not define pure EDR peptide limits or safe maximum exposure.
Evidence and range contextReview the full source references below.
Cytogen capsule product row

Chosen as the clearest product-specific human-facing amount, while preserving that AC-5 complex is not pure EDR.

Product complex amounts should not be used as pure peptide amounts.

Full Dosing Reference SourcesClinical research, registered studies and online dosing sources, with their context and limitations.

Pinealon capsule-complex, animal and subcutaneous vial rows are not interchangeable.

PeptideProduct Cytogens listing

Recommended daily dose of 2 or 4 capsules contains 20 mg or 40 mg of peptide complex AC-5; adults 1 or 2 capsules twice daily with meals for 1 month.

Route / product
Oral Pinealon Cytogens capsules, 0.215 g each
Interpretation and limits
The amount is a peptide complex amount, not necessarily pure EDR mass per capsule.

iPept Pinealon listing

2 capsules in the morning 5-10 minutes before meals, for 1-3 months, repeat after 1-2 months if needed.

Route / product
Oral Pinealon capsules
Interpretation and limits
Product page describes AC-5 with arginine, glutamic acid and aspartic acid; not a controlled trial.

2012 rat prenatal hyperhomocysteinemia model

10 mcg/kg body weight daily for 5 days before methionine loading in pregnant rats.

Route / product
Intraperitoneal animal experiment
Interpretation and limits
Animal exposure only; not a human schedule.

PeptideDosages public vial protocol

1.0 mg days 1-5; 1.5 mg days 6-14; 2.0 mg days 15-20, once daily.

Route / product
Online subcutaneous 20 mg vial protocol
Interpretation and limits
Named website proposal; not a human clinical dose-ranging study.

Peptides.id public protocol

200-500 mcg daily, once daily, escalating over 12 weeks.

Route / product
Online subcutaneous 20 mg vial protocol
Interpretation and limits
Community-style schedule; no clinical validation found.

PeptaBase public profile

2 mg daily, once daily; notes 10-20 day courses and 2-3 month rest periods.

Route / product
Online research-protocol profile
Interpretation and limits
Descriptive market convention; not regulatory guidance.
Sources
PeptaBase

Expanded search found 27 relevant records; no established pure EDR human dose was identified. Human-context abstracts were kept as context and public capsule/vial pages remain reported practice; registry search routes were not counted as sources.

Applicable product labels and human studies carry the most weight. A registry entry does not establish study results. Animal studies, public guides and forums add context; they do not establish a safe human dose limit.

Human clinical research

Published evidence reviews

Animal and laboratory research

Public dosing guides and calculators

Why the protocols disagree

The oral capsule listings describe finished supplement products and peptide complexes. The vial pages describe lyophilized research material and syringe arithmetic. The animal paper describes a specialized prenatal rat model. Those categories cannot be merged into one "typical Pinealon dose." [3][4][7][11][12]

The older human claims summarized in reviews also do not solve the dosing question. They are not modern, independently replicated, blinded dose-ranging trials, and the public summaries often do not expose all design details needed for clinical interpretation. [1][9][10]

What is Pinealon?

Pinealon is EDR, a three-amino-acid peptide from the Khavinson short-peptide bioregulator literature. The name can be misleading: it is discussed in neuroprotection and aging contexts, while several commercial explanations blur brain cortex, pineal, Cortexin and Cytogen product lineages. The chemically relevant identity is Glu-Asp-Arg. [1][2]

The capsule market adds another identity layer. PeptideProduct lists Pinealon capsules with AC-5 peptide complex and states that two or four capsules provide 20 mg or 40 mg of peptide complex. iPept describes AC-5 plus amino acids. That does not prove that every capsule, spray or vial provides a verified amount of pure EDR with equivalent absorption. [3][4]

Pathway visualization

Pinealon EDR and cultured-neuron findings, including increased branching, unchanged mitochondrial measures and exploratory DNA results.

The 2024 laboratory study found changes in dendritic morphology, without improved mitochondrial or lysosomal activity. Its EDR DNA-damage result, p=0.0566, remains exploratory. These are cultured-cell findings, not evidence of cognitive or sleep benefits in people. [13]

Mechanism of action

The 2011 Rejuvenation Research paper reported that Pinealon restricted reactive oxygen species accumulation in cerebellar granule cells, neutrophils and PC12 cells under oxidative stress, decreased necrotic cell death and altered ERK1/2 activation timing. The authors inferred possible genome interaction, but inference should not be stated as proven human mechanism. [6]

A fluorescence-labeled peptide study found cytoplasmic, nuclear and nucleolar fluorescence in HeLa cells after incubation with labeled Pinealon and related short peptides. It also reported sequence-dependent effects on labeled oligonucleotides and DNA complexes. These results support a biophysical hypothesis for nuclear interaction, but they are in vitro findings. [8]

The 2020 Molecules review discusses EDR in Alzheimer's-related pathways, including oxidative stress, apoptosis markers and gene-expression models. A review is useful for mapping mechanisms, but it is not a clinical trial showing cognitive or sleep benefits. [1]

What the evidence shows

Cell and animal studies

The strongest direct evidence is preclinical. The 2011 cell paper supports ROS and cell-survival hypotheses under laboratory stress conditions. The 2012 rat offspring study reported better Morris water-maze performance and lower oxidative-stress and necrotic-cell signals in offspring from methionine-loaded dams treated with Pinealon. These are not human cognition or sleep trials. [6][7]

A 2024 study exposed fibroblast-derived neurons from older donors to EDR and related peptides at 10 mcg/mL for 10 days. Dendritic branching increased, but mitochondrial/lysosomal activity and p16/lamin B1 markers did not improve. The reported EDR oxidative-DNA-damage result had p=0.0566, above the usual 0.05 threshold, despite stronger language elsewhere in the paper. This remains exploratory cell-culture evidence. [13]

Human claims

The 2020 review states that oral Pinealon was used in older-age cerebral dysfunction contexts and describes a 72-patient post-TBI/cerebrasthenia observation with reported improvements in memory, headaches, emotional balance and performance. These observations provide low-certainty human context because the modern public record does not provide an independently replicated RCT with transparent blinding, randomization and replication. [1][9]

No current ClinicalTrials.gov record for Pinealon was found during the September 2026 refresh. Public 2026 reviews similarly report no completed modern randomized human trials and no visible ClinicalTrials.gov program for Pinealon. [10][14]

Safety, interactions and product handling

No formal human pharmacokinetic study was found for Pinealon by any route. That leaves basic questions open: intact oral absorption, nasal or sublingual bioavailability, injectable exposure, degradation products, tissue distribution and repeat-course safety. [9][10]

Safety claims based on "short peptides are natural" are not enough. Product-specific risks include incorrect identity, concentration error, contamination, solvent issues, sterility problems, excipients, storage degradation and route mismatch. Mechanistic papers do not validate a consumer vial or capsule. [3][4][10]

Benefits for sleep, circadian rhythm, REM sleep, mood and cognitive performance remain unproven. No polysomnography, actigraphy, validated insomnia scale or independent cognition trial was found that establishes Pinealon for those outcomes. [9][10]

Connecting research with a useful record

A Pinealon log is clearest when it separates oral capsules, vial material, sublingual drops and nasal products. The Doserly App can record the route, source, amount on the label, schedule and observations together, which makes it easier to avoid mixing a Cytogen capsule course with a research-vial protocol.

Doserly Academy can help interpret why cell, rat and induced-neuron findings support mechanism discussion but do not establish a personal sleep, cognition or longevity protocol.

Frequently asked questions

Is Pinealon the same as Epitalon?

No. Pinealon is EDR, while Epitalon is AEDG. They come from the same general research tradition, but their identities and evidence should not be merged. [1][13]

Is Pinealon proven to improve sleep?

No. Sleep-related claims appear in secondary summaries and public discussion, but no direct controlled sleep trial using objective sleep measures was found. [9][10]

Is there an established injectable dose?

No. Online vial protocols list amounts from hundreds of micrograms to milligrams, but they are not clinical dose-ranging studies or labels. [11][12]

Do capsule labels prove pure EDR exposure?

No. Some capsule listings report peptide complex amounts such as AC-5, not a verified pure EDR mass or human pharmacokinetic exposure. [3][4]

Are there current registered clinical trials?

No current ClinicalTrials.gov Pinealon record was found during this refresh. Absence from one registry does not prove no study exists anywhere, but it does show no visible modern registry-backed program in that database. [14]

References

[1] EDR peptide mechanisms in Alzheimer's disease, Molecules 2020

[2] Pinealon increases cell viability by suppression of free radicals

[3] PeptideProduct: Pinealon Cytogens capsule listing

[4] iPept: Pinealon capsule listing

[5] Peptide Commons: Pinealon profile

[6] Khavinson et al. Pinealon cell study, 2011

[7] Pinealon protects rat offspring from prenatal hyperhomocysteinemia

[8] Short fluorescence-labeled peptides penetrate HeLa-cell nuclei

[9] Peptides Media: Pinealon evidence summary

[10] Superpower: Pinealon research guide

[11] PeptideDosages: Pinealon 20 mg vial protocol

[12] PeptaBase: Pinealon protocol profile

[13] Short peptides protect fibroblast-derived induced neurons from age-related changes

[14] ClinicalTrials.gov search portal