Peptides / Sexual health and hormones
Synthetic analog · 4 amino acids · 447.4 Da
Testagen (KEDG)
Testagen is a short synthetic peptide (Lys-Glu-Asp-Gly) from the Khavinson bioregulator family, and no approval as a drug was found. Very few studies test it, and its only result so far comes from a lab study. PepBank shows 1 result on Testagen from animal and lab studies. No study in people has reported results yet. Data as of 2026-10-30.
Also known as KEDG, Lys-Glu-Asp-Gly, Testagen, Testagen peptide
4 amino acids, from first to lastKEDG
Evidence level: Animal and lab studies onlyNo study in people has results. ClinicalTrials.gov lists no trial.
Results in people
0
0% of 1 results
Results in animals
0
0% of 1 results
Results in lab cells
1
100% of 1 results
From computer models
0
0% of 1 results
Overview
Testagen (KEDG) at a glance
| What it is | Synthetic analog, 4 amino acids |
|---|---|
| Approval | Regulatory status not recorded |
| In sport | Status unknown |
| Studies | 1 study with results. It gave Testagen, with 1 result. 1 in lab cells |
| Clinical trials | None registered |
| Community use | Community interest in testicular and hormone research |
The science
What is Testagen?
Synthetic Lys-Glu-Asp-Gly peptide from the Khavinson bioregulator family.
4
Amino acids in one chain
Testagen (KEDG) structure and chemistry
The key facts about the molecule. Long codes are in the closed section below.
Sequence, 4 amino acidsFrom the first amino acid to the last
+K1−E−DG
Darker means more water-repelling+ and − show charge in the body
Structure
Testagen (KEDG) is a synthetic analog of 4 amino acids, with no ring, no changed amino acids.
Formula
C17H29N5O9
Molecular weight
447.4 g/mol
Development
Highest phase: no known clinical development.
Identifiers
PubChem 123863700
Full sequence, SMILES and InChIKey
Three-letter sequenceH-Lys-Glu-Asp-Gly-OH
InChIKeyHKEYFJLTNCUNAD-DCAQKATOSA-N
SMILESC(CCN)C[C@@H](C(=O)N[C@@H](CCC(=O)O)C(=O)N[C@@H](CC(=O)O)C(=O)NCC(=O)O)N
The evidence
What Testagen studies show
Results grouped by what the studies measured. Each card shows where its results come from.
Animal and lab studies onlyNo study in people has results. ClinicalTrials.gov lists no trial.
Key Testagen studies
Studies in people come first, then studies in animals and in the lab.
- Lab cellsPenetration of short fluorescence-labeled peptides into the nucleus in HeLa cells and in vitro specific interaction of the peptides with deoxyribooligonucleotides and DNA1 resultFedoreyeva et al. 2011 · Biochemistry. Biokhimiia · cited by 29
Testagen clinical trials
ClinicalTrials.gov lists no trial of Testagen. A trial under another name may exist.
Status and safety
Is Testagen approved?
FDA
United States
Status unknownStatus unknown.
EMA
European Union
Status unknownStatus unknown.
WADA
Sport
Not recordedStatus unknown.
Regulatory status not recorded. Status unknown.
Laws and labels change, so check the regulator for the current status.
Testagen side effects and safety
PepBank has no safety result from studies of Testagen yet. That does not mean Testagen is safe.
From the community
How people use it
What people report online. It comes from forums and guides, not from studies.
Community-reported. Not tested in trials.
The guide describes testicular and hormone research. It reports a use pattern, without proof of safety or benefit.
Reported routines and cautions
What people use it for
- Community interest in testicular and hormone researchS1
Reported regimens
| Context | Route | Amount | How often | How long | Agreement | Sources |
|---|---|---|---|---|---|---|
| Community interest in testicular and hormone research | subcutaneous injection | 100 to 300 mcg per dose | once daily | 10 days | Single non-vendor guide. The underlying community reports were not independently verified. | S1 |
Community sources
- S1Testagen community guide (opens in a new tab)vialguide.com
Gaps
This is one secondary guide. It does not identify the underlying community reports. Other regimens exist in the guide. No official medicine label was established. Product purity and actual use were not independently tested.
Questions and more
Ask a question about Testagen
The answer links to every study it uses.
Sources
- Database: PepBank data for Testagen (data version 308560)
- Regulator: FDA status record
- Regulator: EMA status record
- Regulator: WADA status record
- Community: community sources (forums and guides), as summarized in the PepBank community file
AI wrote and checked these results. AI can make mistakes, so check important results against the source.
PepBank is a research reference. Talk to a doctor before you use any peptide.
Ask your AI about Testagen
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