Khavinson BioregulatorTarget: EyeVisual

Visoluten

Eye Extract Bioregulator · Retinal Cytomax · Визолутен

Visoluten is the Cytomax eye-tissue complex. The pharmaceutical cousin is Retinalamin, used in Russian ophthalmology. The synthetic cytogen on the Cytomed line is Normoftal. This is not “eye drops of BPC-157.”

Not FDA-approved - research chemical
Reviewed by CalcMyPeptide Editorial Team
Last updated: August 2026Evidence: Low5 peer-reviewed citations
Typical research dose
1-2 capsules/day
Frequency
1-2× daily for 10-30 day cycles
Half-life
Mixture (variable)
Common vials
N/A (oral)
CAS
N/A (biological extract)
Molecular weight
Mixture (<10 kDa)

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.

  • Cognition3.5/10

    Nervous/pineal/visual aisle in the school. Not a stroke or dementia label.

Compound card

Sequence
Retina / eye tissue peptide complex (mixture, not a single CAS)
Class
Khavinson Cytomax capsule complex (Retina / eye tissue)
Formula
Polypeptide extract (Retinal / Choroidal tissue <10 kDa)
Status
Not FDA-approved · research use

How it works

Visoluten (A-11) is a Cytomax natural polypeptide extract from the retinal and choroidal tissues of young calves, targeting human photoreceptors (rods and cones), retinal pigment epithelium (RPE), and Müller glia to restore age-silenced gene expression governing visual signal transduction, photoreceptor renewal, and RPE-mediated outer segment phagocytosis. The retina is the most metabolically active tissue in the body per gram of tissue - it has the highest oxygen consumption rate of any organ and is therefore extremely vulnerable to age-related oxidative stress and vascular compromise.

Age-related macular degeneration (AMD) - the leading cause of irreversible vision loss in adults over 50 - involves progressive dysfunction and death of RPE cells underneath the fovea, with subsequent loss of cone photoreceptors responsible for central vision. Visoluten delivers short peptide signals (<10 kDa) from bovine retinal tissue that enter RPE and photoreceptor nuclei to reactivate: PEDF (pigment epithelium-derived factor, a neuroprotective and anti-angiogenic protein produced by RPE), rhodopsin (the photopigment of rod photoreceptors), CRALBP (cellular retinaldehyde-binding protein for visual cycle maintenance), and RPE65 (the critical isomerase in the visual cycle converting all-trans retinyl ester to 11-cis retinol for photoreceptor regeneration).

Visoluten addresses retinal aging at the gene expression level - not through antioxidant supplementation (lutein, zeaxanthin) or anti-VEGF injections. It is used alongside Normoftal (Lys-Glu synthetic dipeptide targeting the same tissue via a different mechanism) in Khavinson's ocular longevity protocols.

Source: PMID: 15677927

Khavinson map

Canonical 41
Class
Cytomax (natural peptide complex)
Organ
Retina / eye tissue
Target
Eye
System
Visual
Sequence
Mixture / not a single CAS
Визолутен

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

Russian peptide ophthalmology is older than the US research-chem boom. Retinalamin (polypeptide extract of cattle retina) was a real hospital product for retinal dystrophy and degenerative disease in CIS practice. Visoluten is the oral Cytomax complex aimed at the same tissue class. Normoftal is the defined synthetic on the NPCRIZ cytogen list.

Western catalogs sometimes map Visoluten to Vilon because both start with V. That is a string-matching injury. Vilon is thymus KE. Visoluten is eye. If a blog table pairs Visoluten with Vilon, throw the table out.

The Khavinson frame is photoreceptor and retinal-pigment epithelium gene expression fading with age and light damage. The extract literature is stronger than the capsule-brand literature. Retinalamin papers should not be cited as if they were Visoluten RCTs, but they are the honest historical neighbor.

Henry-style English teaching will talk about vision peptides as epigenetic, not as anti-VEGF (that’s ranibizumab). Keep those mechanisms in different rooms.

Caveats

Retina Cytomax is not a US dietary-supplement monograph and not a drug. The tissue-extract model means lot-to-lot composition is a fingerprint, not a single CAS number. English-language “V2” bottles that claim more peptide diversity are a later commercial layer (mass-spec marketing from specific brands) - they are not Khavinson’s 1990s papers. Animal-source capsules are inappropriate if the reader has a religious or allergy constraint on the source species. None of this replaces care for the actual organ disease.

Full 41-map: Khavinson bioregulators index · Bioregulator stacks

Research Use Cases

  • ✓Eye Cytomax vs Normoftal vs Retinalamin
  • ✓Not glaucoma, retinal-decline, or anti-VEGF treatment

Dosing

PhaseDoseFrequencyNotes
Mini-Course / General Preventive (1 box)2 capsules (20 mg)Once daily for 10 days, 30 min before mealsStandard Khavinson mini-course (20 caps). Repeat every 6 months from age 45. Combine with Normoftal (Lys-Glu synthetic) for the complete retinal protection protocol.
Full Monthly Course (AMD / Retinal Aging)2 capsules (20 mg)Twice daily for 30 days (120 caps = 2× 60-cap boxes)Bi-annual 30-day courses for dry AMD (stages 1–3), diabetic retinopathy risk, or significant age-related vision decline. Core ocular stack: Visoluten (A-11) + Normoftal + Ventfort (A-3, retinal microvascular health).
Intensive / Retinal Restoration Protocol2 capsules (20 mg)Twice daily, repeated monthlyActive AMD, significant retinal function decline, or diabetic retinopathy management support. Ophthalmologist supervision required. Not a replacement for anti-VEGF therapy in wet AMD. Max: 4 caps/day (40 mg).

Administration

Route / form
Oral capsules - swallowed with water. Cytomed Cytomaxes ship as capsules, not sublingual tablets and not lyophilized research vials.
Timing
Morning, with water, about 30 minutes before meals (empty stomach).
Empty stomach?
Yes - Empty stomach - about 30 minutes before meals. Cytomed boxes sometimes print “with food” because they are labeled as supplements; the manufacturer user-guide preference is before meals for absorption.

Visoluten: Not a research vial vs Oral capsule

Not a research vial
Bioavailability
Not applicable. This Cytomax SKU is not sold as a lyophilized research vial. There is no SubQ F% because Cytomed does not ship this complex as a cake.
Dose note
Do not reconstitute Visoluten. No BAC-water chart, no 5 mg vial math, no units-on-a-U-100 conversion. The defined-sequence vial in this aisle is the cytogen pair (Normoftal (retina cytogen)), a different SKU. Retinalamin is the pharmaceutical extract in this organ family (clinic-era injectable or other non-capsule form), not this Cytomax.
Advantages
  • The defined-sequence vial in this aisle is the cytogen pair (Normoftal (retina cytogen)), a different SKU.
  • Retinalamin is the pharmaceutical extract in this organ family (clinic-era injectable or other non-capsule form), not this Cytomax.
  • Do not invent an intraocular or SubQ protocol for Visoluten capsules. Normoftal is the cytogen if you bought a defined-sequence vial. Retinalamin is the CIS ophthalmology extract (historically IM / parabulbar), a different product.
Considerations
  • Visoluten is an oral capsule complex. It is not a 5 mg lyophilized research vial.
  • Inventing recon math for a zero-mg Cytomax vial is how people inject the wrong product.
  • Not an official Cytomed sublingual tablet, IM ampoule, or eye drop either.
Oral capsule
Bioavailability
Not quantified in a Western PK study. Official Cytomed form is a swallowed capsule. PEPT1/LAT transport is class biology for short peptides, not an F% for this tissue mixture.
Dose note
Typical Cytomed labeling: 1–2 capsules daily in 10–30 day courses, swallowed with water about 30 minutes before meals (empty stomach). Manufacturer protocol, not an FDA label. Some boxes print “with food” because they are labeled as supplements; the timing copy we use is before meals.
Advantages
  • Official form for Visoluten: swallow the capsule with water. No reconstitution step and no 5 mg cake.
  • Ocular Cytomax (Cytomed A-11): swallowed capsule. Not eye drops, not intraocular recon, not AREDS2, and not Vilon (thymus KE).
  • Course-based (10–30 days, a few times a year in manufacturer folklore), not a daily forever drug.
Considerations
  • Retina / eye Cytomax is a peptide mixture / lot fingerprint, not a single CAS. English “V2” bottles are a later commercial layer, not a Khavinson RCT.
  • Russian school literature is not an FDA organ-disease label.
  • Third-party lingual SKUs exist in the wild. We do not claim sublingual as the official Cytomed Cytomax form.
Recommendation: Swallow Visoluten as oral capsules with water, about 30 minutes before meals. Eye Cytomax complex, not Normoftal, not Retinalamin, and not drops you put on the eye. Pair: Normoftal. Russian retinal-extract practice is not an FDA macular-degeneration label.

Timeline

Days 1 - 14
RPE and photoreceptor gene expression restoration initiated. Visual processing speed improvement may begin.
Month 1–3
Improved contrast sensitivity and dark adaptation. Reduced visual fatigue in screen-heavy users.
Month 3–6
Sustained retinal cell integrity support. Stabilization of drusen accumulation rate in AMD management alongside conventional care.

Who it is for

AMD / Retinal Aging (Ages 50+)

Low

Restores RPE gene expression for PEDF, RPE65, and CRALBP - the foundational proteins of the visual cycle and photoreceptor maintenance.

Diabetic Retinopathy Prevention

Low

Used in metabolic disease protocols alongside Suprefort (A-1, pancreas) + Ventfort (A-3, blood vessels) to address both the metabolic and retinal aspects of diabetic eye disease.

Safety & Considerations

Natural glandular extract (Cytomax) from bovine retinal/choroidal tissue, <10 kDa. No hormones. Meets European/Russian veterinary standards. Generally recognized as safe.

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

  • Cytomax SKUs are oral capsules. Do not run SubQ reconstitution math on a zero-mg vial.
  • Lot-to-lot composition is a fingerprint, not one sequence.
  • This site will not treat the named organ disease from a peptide page.
  • English-language V2 / analog bottles are a later commercial layer, not a Khavinson RCT.

Verdict

Visoluten is a Cytomax capsule complex from Retina / eye tissue. It is not the paired cytogen, not a 5 mg research cake, and not a US supplement monograph. The organ story is in the dossier on this page.

Interactions & Contraindications

This site will not treat eye disease from a peptide page.

Synergies & Common Stacks

Complex vs cytogen. Same organ, two classes. Not two extracts.

Frequently Asked Questions

Oral capsule or injection?▼
Visoluten is a Cytomax oral capsule: swallow with water, about 30 minutes before meals. It is not a 5 mg lyophilized research vial and not an official Cytomed sublingual tablet (third-party lingual SKUs exist in the wild). If you want a defined-sequence powder to reconstitute, that is the cytogen pair (Normoftal), not this complex. Do not run BAC math on a capsule SKU. Retinalamin is the CIS ophthalmology extract (historically IM / parabulbar). Not eye drops. Normoftal is the cytogen, not a Cytomax.
Visoluten vs Retinalamin vs Normoftal?▼
Visoluten = Cytomax eye complex (capsules). Retinalamin = pharmaceutical retinal extract. Normoftal = synthetic retina cytogen on the NPCRIZ list.
Is this a treatment for macular degeneration?▼
Not in the US regulatory sense. Russian extract use in degenerative retina disease is a historical practice. It is not Lucentis, not AREDS2, and not a reason to skip an ophthalmologist.
Does Visoluten pair with Vilon?▼
No. That pairing is a catalog typo that still circulates. Vilon is thymus.
Eye drops or capsules?▼
Cytomax Visoluten is an oral capsule product on e-peptide. Do not invent a reconstitution protocol for intraocular use.
How is Visoluten different from lutein/zeaxanthin supplements?▼
Lutein and zeaxanthin are dietary antioxidants that filter high-energy blue light and neutralize oxidative damage in the macula. Visoluten works at the gene transcription level - it reactivates RPE65, CRALBP, and PEDF production in your existing retinal cells, restoring the visual cycle machinery itself rather than providing antioxidant protection.
Can Visoluten be used for dry AMD?▼
Visoluten is used in Khavinson's ocular longevity system as complementary care alongside AREDS2-formulation supplements and ophthalmology monitoring. It is not a cure for AMD. In early-to-intermediate dry AMD, it targets the RPE gene expression pathways that support photoreceptor maintenance. Always coordinate with your retinal specialist.

References

  1. Khavinson VKh, Anisimov VN “Peptide bioregulators: a new class of geroprotectors. Message 1: results of experimental studies.” Bulletin of Experimental Biology and Medicine (2000). PMID: 11182816
  2. Khavinson VKh et al. “Tissue-specific effects of peptides.” Bulletin of Experimental Biology and Medicine (2005). PMID: 15677927
  3. Khavinson VKh, Lin’kova NS, Tarnovskaya SI “Short peptides regulate gene expression.” Bulletin of Experimental Biology and Medicine (2013). PMID: 23888677
  4. Khavinson VKh, Morozov VG “Peptide regulation of aging: from experimental studies to clinical practice.” Advances in Gerontology (2003). PMID: 14523363
  5. Khavinson VKh “"Peptide bioregulators - a new class of geroprotectors".” Bulletin of Experimental Biology and Medicine (2002). PMID: 12677266

📚 Related Articles

Recommended sourceOral bioregulator

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

Affiliate link · Full review