Bioregulators

Prostamax

Also known as Lys-Glu-Asp-Pro, KEDP, Prostagen

Peptigrity has 14 lab tests of prostamax on file from 13 shops and 7 labs; the newest is from . Average HPLC purity is 99.53% across the 14 results that report it, and 100% of results are at or above 99%. 14 results compare the measured amount with the label (median 108.5% of label); 3 report endotoxin. 13 shops publish prices: $1.79 to $5.25 per mg, median $3.00. Peptigrity publishes measurements, not dosing advice.

From Peptigrity records · figures updated · Cite these figures

Average purity
99.53%
HPLC · 14 results · 100% at 99%+
Lab tests on file
14
from 13 shops · 7 labs
Shops listing it
116
13 publish prices
Median price per mg
$3.00
range $1.79–$5.25

Lab test results

14 tests · average purity 99.53% · newest first
Prostamax — independent lab test results, newest first
TestedShopLabPurityMeasured vs labelEndotoxinRecord
Humatide PeptidesILS Laboratories99.23%20.48 / 20 mg 102% of label—H20PRST073126
BioEdge Research LabsKovera Labs99.58%22.42 / 20 mg 112% of labelPass05122026PRO20✓
Molecular Solutions Peptidesfreedomdiagnosticstesting.com99.25%22.4 / 20 mg 112% of labelPassR260616-MX20-W001✓
Umbrella LabsVanguard Laboratory99.80%9.31 / 10 mg 93% of label—ULP-49011
RC PeptidesJanoshik Labs99.53%22.34 / 20 mg 112% of label—View record →
Core PeptidesVanguard Laboratory99.01%20 / 20 mg 100% of label—C73714✓
PeptideTechfreedomdiagnosticstesting.com99.19%16.23 / 20 mg 81% of label—PRO-6975✓
American PeptidesBioviridian99.90%12.82 / 10 mg 128% of labelPassPROS20-0318
Liberty PeptidesHorizon Analytical99.24%19.65 / 20 mg 98% of label—LPUS48001
Molecular Solutions Peptidesfreedomdiagnosticstesting.com99.61%24.82 / 20 mg 124% of label—R260110-MX20-W001✓
Amino Techfreedomdiagnosticstesting.com99.77%21.7 / 20 mg 109% of label—View record →
Grey Market Peptidefreedomdiagnosticstesting.com99.77%21.7 / 20 mg 109% of label—View record →
Showing 12Showing 5 of 14All 14 Prostamax lab tests →

Shops with a prostamax test since

7 shops. A shop is listed when a third-party lab published a test of its prostamax in the last six months; the newest result is shown, as the lab reported it. Ordered by date, nothing else.

Shops with a prostamax test since 16 Apr 2026, newest test first
ShopNewest testResultProstamax testsWarehouseReviews
Humatide PeptidesClaimedLab verifiedLot H20PRST073126 · ILS Laboratories99.23%1🇺🇸 United States24 · 4.9
BioEdge Research LabsLab verifiedLot 05122026PRO20 · Kovera Labs99.58%1Not statedNo reviews yet
Molecular Solutions PeptidesLab verifiedLot R260616-MX20-W001 · freedomdiagnosticstesting.com99.25%2Not statedNo reviews yet
Umbrella LabsLab verifiedLot ULP-49011 · Vanguard Laboratory99.80%1Not statedNo reviews yet
RC PeptidesClaimedLab verifiedView record · Janoshik Labs99.53%1Not stated3 · 5.0
Core PeptidesLab verifiedLot C73714 · Vanguard Laboratory99.01%1Not stated43 · 4.6
PeptideTechLab verifiedLot PRO-6975 · freedomdiagnosticstesting.com99.19%1Not stated1 · 4.0
Newest test per shop · 7 shops

Shops listing Prostamax

116 shops list it · top 6 by trust scoreCompare prices from 13 shops →
Humatide PeptidesTrust 98/100 · 99.7% avg purity · 44 tests
PeptuviaTrust 94/100 · 99.7% avg purity · 22 tests
Core PeptidesTrust 99/100 · 99.4% avg purity · 87 tests
Adonis ResearchTrust 93/100 · 99.6% avg purity · 12 tests
Crush ResearchTrust 93/100 · 99.7% avg purity · 48 tests
Kimera ChemsTrust 93/100 · 99.4% avg purity · 81 tests
Trust score, average purity and test count on these cards cover each shop's whole catalogue, not only Prostamax.Browse all 116 shops listing Prostamax →

What is Prostamax?

figures updated · article reviewed Aug 2026

Prostamax is a prostate-derived polypeptide complex from the Khavinson bioregulator family, researched for prostate-tissue-targeted bioregulation and urological function. Like Thymalin, Prostamax is a tissue extract rather than a single defined peptide sequence — derived from bovine or porcine prostate tissue and containing multiple constituent peptides. It is approved for medical use in Russia and several CIS countries for benign prostatic hyperplasia and related urological conditions but has no FDA, EMA, or major Western regulatory approval.

What is Prostamax and how does the prostate-targeted bioregulatory mechanism work?

Prostamax is a Prostamax is a synthetic tetrapeptide — Lys-Glu-Asp-Pro (KEDP) — from the Khavinson group's designed "Cytogen" short-peptide family. It is a single defined peptide made by synthesis, not an extract of prostate tissue. Within the Khavinson framework it is designated a "prostate bioregulator," but that organ-target designation is the group's own proposal, not established biology., proposed to restore prostate tissue function through tissue-specific bioregulatory signaling. The Khavinson framework proposes that Prostamax's constituent peptides enter prostate cell nuclei and modulate gene expression in pathways related to glandular function, inflammation control, and urological tissue homeostasis. As with Thymalin, the multi-component nature is both a mechanistic claim (multiple peptides acting synergistically) and a regulatory challenge (harder to standardize across batches).

Source: Short Peptides Regulate Gene Expression, Khavinson V.Kh., Linkova N.S., Tarnovskaya S.I. (optional, non-blocking follow-up: confirm full author list), Bulletin of Experimental Biology and Medicine, 2016 · Evidence level: russian clinical practice (approved); Khavinson-group clinical research; independent replication limited

What does the research show for Prostamax?

Russian clinical practice includes Prostamax for benign prostatic hyperplasia (BPH), chronic prostatitis, and adjunctive prostate-recovery contexts. Published research on Prostamax comes almost entirely from one group — Vladimir Khavinson's, at the St Petersburg Institute of Bioregulation and Gerontology, and collaborators — and is largely preclinical (effects on lymphocyte chromatin and gene expression in cell and rodent models). Any reported human use is non-blinded and single-institution; no Western-standard randomized controlled trial of Prostamax has been published as of August 2026, and independent replication outside this group is limited.

Evidence level: russian clinical (approved use); Khavinson-group research; independent replication limited

How does Prostamax compare to other Khavinson bioregulators?

Prostamax is one of two polypeptide-extract bioregulators in the Khavinson cluster (alongside Thymalin), distinguishing it from the synthesized single-sequence tripeptides and tetrapeptides.

BioregulatorStructureFormTarget
ProstamaxPolypeptide complexExtractProstate
ThymalinPolypeptide complexExtractThymus / immune
TestagenTripeptide (Lys-Glu-Asp)SynthesizedTestis
VesugenTripeptide (Lys-Glu-Asp)SynthesizedVascular

What are the documented side effects of Prostamax?

Side effects in Russian clinical use are generally mild — injection-site reactions, occasional transient flushing. As a polypeptide extract derived from animal tissue, theoretical concerns include allergic reactions and the broader animal-derived-biologic risk profile. Long-term safety in approved Russian clinical practice spans years; Western long-term safety data is not available.

Evidence level: russian clinical safety record; independent verification limited

What is the regulatory status of Prostamax?

Prostamax is approved for medical use in Russia and several CIS countries for BPH and related urological indications. It is not approved by the FDA, EMA, or major Western regulators. Outside approved markets, Prostamax is sold as a research-use-only compound by third-party laboratories. Regulatory context in FDA peptide regulation 2025–2026 timeline.

Why does Prostamax vendor verification matter?

As with Thymalin, Prostamax's polypeptide-extract nature makes identity verification fundamentally harder than for synthesized peptides — HPLC profiles show complex multi-component patterns, and individual vendor batches may vary substantially. Some research-grade vendors sell "Prostamax" that may not match the genuine Russian-clinical extract composition. Independent third-party testing is essential. Guidance in how-to-test-peptides hub.

How does Peptigrity verify Prostamax vendors?

Peptigrity collects independent third-party Certificates of Analysis for Prostamax from shops' official channels and verifies each for authenticity before publishing. Because shops choose which COAs to publish, results reflect the batches shops have made public rather than every production batch — a selection bias we state openly. A community-funded Testing Grant to purchase and test vials anonymously is in development. Tests in the database come from independent labs such as Janoshik Analytical, Freedom Diagnostics, and Chromate. Because Prostamax is a short synthetic peptide with a single defined sequence, mass-spectrometry identity confirmation against the expected KEDP mass is straightforward — and important, since same-length Khavinson peptides are easily mislabeled. Methodology in how we calculate trust scores.

Frequently asked questions

What does Prostamax do?

Within the Khavinson framework Prostamax (the Lys-Glu-Asp-Pro tetrapeptide) is proposed to act on prostate tissue through epigenetic gene-expression modulation, but that tissue-target claim rests on single-group preclinical work. It is not an FDA/EMA-approved drug, and Peptigrity could not verify a Russian pharmaceutical registration for the synthetic Prostamax peptide (as distinct from registered prostate-tissue-extract preparations). Western-standard Phase 2/3 efficacy data does not exist.

Is Prostamax a single peptide or an extract?

Prostamax is a single defined synthetic peptide — the tetrapeptide Lys-Glu-Asp-Pro (KEDP) — not a tissue extract. It is sometimes confused with prostate-tissue-extract preparations (such as Prostatilen), which are different products. This distinguishes it from synthesized Khavinson bioregulators like Testagen or Vesugen.

Source: Short Peptides Regulate Gene Expression, Khavinson V.Kh., Linkova N.S., Tarnovskaya S.I. (optional, non-blocking follow-up: confirm full author list), Bulletin of Experimental Biology and Medicine, 2016

Prostamax is approved for medical use in Russia and CIS countries and is legal to purchase as a research chemical for laboratory use in most other jurisdictions, but it is not approved for human consumption in the US, EU, or most Western markets. Country breakdown in peptide legal status guide.

Will Prostamax be FDA-approved?

No active FDA approval pathway exists for Prostamax as of August 2026. Bioregulator peptides as a class are not being advanced through FDA clinical development by any pharmaceutical sponsor.

How can I verify a Prostamax vendor is selling real product?

An independent, batch-matched third-party HPLC certificate of analysis for purity, plus mass-spectrometry confirmation that the mass matches the expected Lys-Glu-Asp-Pro tetrapeptide (not a similar-length sibling bioregulator). COA interpretation in red flags in peptide certificates of analysis.

Does Peptigrity recommend a Prostamax dose?

No. Peptigrity is an independent review platform, not a medical authority. Russian clinical practice protocols vary by indication. Anyone considering use should consult a licensed physician.

This section is for educational and informational purposes only and does not constitute medical advice. Prostamax is approved for medical use in Russia and CIS countries but is not approved by the FDA, EMA, or other major Western regulators. Always consult a qualified healthcare provider before using any peptide or research compound. Peptigrity is an independent review platform and does not sell, endorse, or recommend specific products or vendors.

Prostamax and other bioregulators peptides

same category · by lab tests on file
Bioregulators peptides compared on independent lab data
CompoundMechanismAvg purityTestsShops
Prostamax This pageProstate bioregulator tetrapeptide (Lys-Glu-Asp-Pro)99.5%14116
PinealonPineal tripeptide bioregulator (Glu-Asp-Arg)99.5%72236
CartalaxCartilage/connective-tissue bioregulator tripeptide (Ala-Glu-Asp / AED)99.6%53185
THYMALINThymic polypeptide bioregulator (Khavinson)97.9%47157
TestagenTesticular bioregulator tetrapeptide (Lys-Glu-Asp-Gly)99.7%22123
VesugenVascular bioregulator tripeptide (Lys-Glu-Asp)99.7%20125
VilonImmune bioregulator dipeptide (Lys-Glu)99.8%18122
CardiogenCardiac bioregulator tetrapeptide (Ala-Glu-Asp-Arg)99.4%16135

Community

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