Khavinson BioregulatorTarget: LiverDigestive

Ovagen

Glu-Asp-Leu · EDL · Liver Cytogen · not an ovary peptide · Оваген

Ovagen is a liver cytogen on the official NPCRIZ poster, commonly sequenced as Glu-Asp-Leu (EDL). It is not the ovary peptide. Zhenoluten is the female-reproductive Cytomax. The name is a false friend that poisoned half the Western tables.

Not FDA-approved - research chemical
Reviewed by CalcMyPeptide Editorial Team
Last updated: August 2026Evidence: Low3 peer-reviewed citations
Typical research dose
1–2 capsules/day (Cytomed) or 1–2 mg SC (research vial)
Frequency
1× daily for 10-30 day cycles
Half-life
Short (tetrapeptide)
Common vials
5 mg / 10 mg
CAS
N/A
Molecular weight
472.50 g/mol

Use-case scores

0–10 against the evidence we have, not a gym ranking. Hidden domains do not apply here.

  • Longevity / aging3.5/10

    Khavinson-school tissue peptide. Single-lab concentration after haircut. Not a Western Phase 3 geroprotector.

  • Metabolic / weight3/10

    GI/metabolic organ map. Not a GLP-1 and not a diabetes drug.

Compound card

Sequence
EDL
Class
Khavinson cytogen (EDL)
Formula
C20H32N4O9
Status
Not FDA-approved · research use
Dose it
5 mg + 2.5 mL BAC water → 2 mg/mL · 1000 mcg ≈ 50 units (U-100)
Open in calculator

How it works

Ovagen is a liver cytogen on the official NPCRIZ poster, commonly sequenced as Glu-Asp-Leu (EDL). It is not an ovary peptide - Zhenoluten is the female-reproductive Cytomax. Livagen (KEDA) is the other liver synthetic; Svetinorm is the liver Cytomax complex.

The trade name is a false friend that poisoned Western tables. Manufacturer organ is liver.

Source: PMID: 15677927

Khavinson map

Canonical 41
Class
Cytogen (synthetic short peptide)
Organ
Liver (official NPCRIZ cytogen list - not ovary)
Target
Liver
System
Digestive
Sequence
EDL · Glu-Asp-Leu
Оваген

Used in bioregulator stacks

Manufacturer-style organ combinations - not FDA protocols. Every name is a live leaf.

The Khavinson school

Vladimir Khatskelevich Khavinson (1946–2024) spent five decades at what became the St. Petersburg Institute of Bioregulation and Gerontology arguing a simple, stubborn idea: aging is, in part, a failure of tissue-specific peptide signals, and those signals can be restored. The first products were not “peptides” in the Instagram sense. They were Cytamins - polypeptide fractions isolated from a named organ of young animals. Later commercial refinements of those fractions are sold as Cytomaxes (Cytomed / NPCRIZ): still mixtures, still oral capsules, still defined by the source organ rather than a single sequence. When the group identified short active motifs inside those mixtures, they synthesized them as Cytogens - di-, tri-, and tetrapeptides with a one-letter code (KE, AEDG, KED, EDR, KEDP, and so on).

That three-layer stack is the whole map. Cytamin / pharmaceutical extracts (Thymalin, Epithalamin, Cortexin, Retinalamin, Prostatilen) are the clinic-era injectables registered in the former Soviet pharmacopeia. Cytomaxes are the capsule complexes Cytomed still lists as a 21-SKU organ line. Cytogens are the defined synthetics. English-language educators, including Brenden Henry’s public writing at Peptide Science Institute, add a further commercial distinction - later analog SKUs (N-acetyl, amidate, “V2” complexes) sold as more stable or more diverse than the original Cytomed lots. That last layer is a product taxonomy, not a Khavinson paper. We describe it so readers are not gaslit by three bottles with the same organ name. We do not reproduce paid Peptide Mastery protocols, Precision Cell Method language, or anyone else’s course IP.

Full Cytamin → Cytomax → Cytogen map, literature limits, and how we counted 41

The mechanism Khavinson published is epigenetic, not receptor-agonist in the GLP-1 sense. Short peptides are claimed to enter nuclei, interact with DNA/histones, and reopen tissue-specific transcription that condensed with age (heterochromatin → euchromatin). Reviews in the Bulletin of Experimental Biology and Medicine and Neuroendocrinology Letters (PMID 14523363, 15677927, 23888677) are the citable core. Complementary GI pharmacology is not mystical: di- and tripeptides are PEPT1/LAT substrates, which is why oral capsules are even a conversation. What is not established in Western Phase 3 programs is organ-by-organ disease treatment, telomere reversal as a clinical endpoint, or the manufacturer claim that Cytomax is “a third stronger” than Cytogen. Those are NPCRIZ marketing sentences.

Khavinson’s group published hundreds of papers, many in Russian, many in the same journal family. That is a real literature. It is also a literature with limited independent Western replication, small n, and a habit of using one review PMID as a stamp on every organ. On this site a leaf earns its organ story, its Cytomax↔Cytogen pair, its sequence if it has one, and an honest sentence about what has not been shown. Reconstitution math belongs on cytogens sold as vials. Cytomax capsules do not get a fake 5 mg vial.

The 41 we treat as canonical are the 21 Cytomaxes on the public e-peptide/Cytomed list, the 12 Cytogens on that same commercial line (including Vesilut, which Western catalogs often drop), plus eight historically load-bearing molecules that sit beside the capsule SKUs: Epitalon, Vilon, Thymogen, Livagen, Cortagen, Prostamax, Thymalin, and Epithalamin. Honluten, Cortexin, Retinalamin, Prostatilen, Thymulin, N-acetyl-epitalon-amidate, Pinalex, and the GPL Man / GPL Femme kits are covered as adjacent - same school or same storefront, not padded into a fake 41.

Public English-language teaching (including Brenden Henry at peptidescienceinstitute.com) is cited as context, not copied. Paid Peptide Mastery / Peptide Salvation text stays theirs.

History of this molecule

This is the identity correction that actually matters for buyers. e-peptide: “OVAGEN - liver peptide.” Our old library card called it a liver/GI Cytomax extract, which got the organ half-right and the class wrong. It is a synthetic cytogen, not a capsule complex of mixed extract peptides (that complex is Svetinorm).

Zhenoluten is ovaries. Livagen (KEDA) is the chromatin-famous liver tetrapeptide. Two liver synthetics on the map is allowed; relabeling EDL as “ovary” because of the trade name is not.

If a YouTube protocol doses Ovagen for fertility, they followed the English mistranslation. Fertility aisle is Zhenoluten (complex) and actual reproductive endocrinology.

Caveats

A defined sequence is not an FDA indication. Liver cytogens sit in a Russian experimental-gerontology literature with limited Western replication. “Oral bioavailability because PEPT1” is real peptide-transport biology; it is not proof this SKU treats the organ disease. Gray-market identity is a live problem - HPLC is the only way to know the vial is the sequence on the label. If the bottle says ovary, the seller used the meme map. Trust the manufacturer organ list.

Full 41-map: Khavinson bioregulators index · Bioregulator stacks

Research Use Cases

  • ✓Liver tissue (research)
  • ✓Pair with Svetinorm / Livagen
  • ✓Do not use as fertility peptide because of the trade name

Dosing

PhaseDoseFrequencyNotes
Khavinson Protocol1–2 capsules/day or 1–2 mg SCDaily for 10–30 day courses, 1-2x per yearLiver/GI bioregulator. Highly effective post-toxic exposure.

Administration

Route / form
Two real SKUs: Cytomed oral capsules (swallowed) or a lyophilized research vial reconstituted for subcutaneous injection. Nobody manufactures these as sublingual tablets.
Timing
Capsules: morning, about 30 minutes before meals. Research vial (SubQ): food does not change the injection.
Empty stomach?
Capsules: yes - Swallow on an empty stomach, about 30 minutes before meals. Reconstituted vial (SubQ): food does not change the injection. Cytomed boxes sometimes print “with food” because they are labeled as supplements; the manufacturer user-guide preference is before meals.

Ovagen: oral vs SubQ

Cytomed oral capsule
Bioavailability
No published human F% for this SKU. Di- and tripeptides can ride PEPT1/LAT; that is transporter biology, not proof the capsule treats the named organ. Cytomed cytogen capsules are swallowed.
Dose note
Ovagen Cytomed cytogen capsules: 1–2 capsules/day, typically 10–30 day courses. No reconstitution. Swallow; do not melt under the tongue. Swallowed with water. Morning, about 30 minutes before meals, is manufacturer user-guide folklore. Cytomed boxes sometimes print “with food” because they are labeled as supplements. That is not a published absorption RCT for this SKU. Pair: Svetinorm is the liver Cytomax. Livagen (KEDA) is the other liver synthetic. Zhenoluten is the ovary Cytomax, not this bottle.
Advantages
  • Official Cytomed cytogen SKU is a swallowed capsule. No BAC water, no syringe.
  • Matches how Cytomed ships the poster line.
  • Nobody manufactures this as a sublingual tablet.
  • Official Cytomed SKU is a cytogen capsule for liver, despite the name sounding gynecologic.
Considerations
  • Capsule milligrams are not 1–2 mg SC. Do not convert a research-vial protocol into capsule counts by arithmetic theater.
  • Empty-stomach timing is user-guide folklore plus PEPT1 logic, not a cited human PK study for this SKU.
  • Ovagen is a liver cytogen on the official NPCRIZ poster. It is not the ovary peptide. The trade name is a false friend that poisoned half the Western tables.
  • Fertility aisle is Zhenoluten (complex) plus actual reproductive endocrinology, not swallowed EDL.
Research vial SubQ
Bioavailability
No published human PK curve for this cytogen. Research-chem SubQ is the gray-market route. Class estimate is minutes-to-hours, not a depot ester.
Dose note
Research lyophilized vial: reconstitute with bacteriostatic water, sterile technique, SubQ. Class pattern is about 1–2 mg daily for on the order of 10 days, not a 12-week GLP-1 titration. Food does not change the injection. Do not convert Cytomed capsule counts into vial milligrams. Pair: Svetinorm is the liver Cytomax. Livagen (KEDA) is the other liver synthetic. Zhenoluten is the ovary Cytomax, not this bottle.
Advantages
  • Vial math is checkable if the COA matches the sequence on the label.
  • Food timing is irrelevant for SubQ.
  • Short pulsed courses match how the school used defined synthetics.
Considerations
  • Gray-market identity: HPLC is the only way to know the cake is EDL (Glu-Asp-Leu).
  • Not a Western Phase 3. Russian experimental-gerontology literature is real and concentrated.
  • Not a sublingual tablet and not a Cytomax complex.
  • Ovagen is a liver cytogen on the official NPCRIZ poster. It is not the ovary peptide. The trade name is a false friend that poisoned half the Western tables.
  • If the vial says ovary, the seller used the meme map. Trust the manufacturer organ list, then HPLC.
Recommendation: Two SKUs. Swallow Cytomed Ovagen capsules (no recon, not sublingual) or BAC-reconstitute a research vial for SubQ at the 1–2 mg / ~10-day class pattern. Food does not change the shot. Pair: Svetinorm is the liver Cytomax. Livagen (KEDA) is the other liver synthetic. Zhenoluten is the ovary Cytomax, not this bottle. Ovagen is a liver cytogen on the official NPCRIZ poster. It is not the ovary peptide. The trade name is a false friend that poisoned half the Western tables. Russian literature is real; Western Phase 3 is not. Do not dose this for ovaries. Liver vs ovary is the identity correction that matters for buyers.

Timeline

Day 1-10 (course)
Hepatocyte gene expression restoration and anti-apoptotic signaling initiated.

Who it is for

Liver Defense / GI Health

Low

Liver bioregulator. Enhances liver regeneration capacity.

Reconstitution

VialWaterConcentrationExample dose
Lyophilized cytogen (if the SKU is a vial)Follow the COA fillDo the mathCapsules skip this step. Cytomax complexes are not this molecule.

Change vial size or water volume? Open the reconstitution calculator.

Safety & Considerations

Research peptide. Extensively used in Russian clinical protocols. Russian clinic history is not a US safety NDA.

Regulatory & Legal Status

FDA Status (US)
Research Only
WADA Status (2026)
Not Listed

Not currently on the WADA 2026 Prohibited List. Policies may change - verify before competition.

Classification

Research Chemical

US Compounding: Not eligible / not available

⚠️ This information is for educational purposes only and may not reflect the most current regulatory updates. Always verify with official FDA, WADA, and jurisdiction-specific sources before use.

Limits of current evidence

  • A defined sequence is not an FDA indication.
  • Gray-market identity is a live problem. HPLC beats a blog table.
  • Do not paste a sibling cytogen’s papers onto this SKU.
  • This site will not treat the named organ disease from a peptide page.

Verdict

Ovagen is the synthetic EDL cytogen for Liver (official NPCRIZ cytogen list - not ovary). Khavinson’s group published in this family. That is a concentrated literature, not a Western Phase 3. Capsules and vials are different SKUs.

Interactions & Contraindications

Cytogen course, not a Cytomax extract protocol. Not FSH/HRT.

Synergies & Common Stacks

Ovagen is the liver cytogen; Svetinorm is the liver Cytomax; Livagen is KEDA. Three liver-aisle products, not an ovary stack.

Frequently Asked Questions

Is Ovagen for ovaries?▼
Not on the official NPCRIZ cytogen list. Organ is liver. Zhenoluten is the female-reproductive Cytomax.
Ovagen vs Livagen vs Svetinorm?▼
Ovagen = liver cytogen (EDL). Livagen = KEDA liver tetrapeptide. Svetinorm = liver Cytomax complex.
Was this a Cytomax on your site?▼
It was mis-tagged as an extract (empty vial). It is a cytogen. Class is now corrected.
Oral capsule or injection?▼
Two SKUs. Cytomed Ovagen is a swallowed liver cytogen capsule (1–2/day, typical 10–30 day courses, morning empty-stomach folklore, no reconstitution, not a sublingual tablet). Research vials are BAC-reconstituted SubQ at about 1–2 mg for on the order of 10 days; food does not change the shot. Organ is liver, not ovary. Zhenoluten is the female-reproductive Cytomax.
How does Ovagen differ from Svetinorm?▼
Ovagen is a targeted synthetic tetrapeptide providing a quick, powerful signaling burst. Svetinorm is a Cytomax extract providing broad-spectrum liver peptide maintenance. They are often used together.

References

  1. Khavinson VKh et al. “Tissue-specific effects of peptides.” Bulletin of Experimental Biology and Medicine (2005). PMID: 15677927
  2. Khavinson VKh, Lin’kova NS, Tarnovskaya SI “Short peptides regulate gene expression.” Bulletin of Experimental Biology and Medicine (2013). PMID: 23888677
  3. Khavinson VKh, Morozov VG “Peptide regulation of aging: from experimental studies to clinical practice.” Advances in Gerontology (2003). PMID: 14523363

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Recommended sourceOral bioregulator

Get Ovagen from Vita-Stream - a distributor for Khavinson-line oral capsules. No reconstitution math on a Cytomax bottle.

Affiliate link · Full review