# Visoluten (Retina Bioregulator)

> Peptide complex derived from retina, in capsules — Cytomax bioregulator range

All products are sold strictly for laboratory research use only. Not for human or veterinary use.

- Web page: https://peptidemedixeu.com/en/products/visoluten/
- Brand: Peptide Medix EU
- Category: [Khavinson Bioregulators](https://peptidemedixeu.com/en/collections/khavinson-bioregulators/)
- from €72 (EUR)

## Sizes and prices (EUR)

| Size | Price | SKU |
| --- | --- | --- |
| 20 capsules | €72 | VISOLUTEN-20-CAPSULES |
| 60 capsules | €182 | VISOLUTEN-60-CAPSULES |

_Catalog prices at build time; the web page and checkout are authoritative._

## Specifications

- **Molecular weight:** Polydisperse low-molecular-weight fraction; no single molecular mass applies
- **Form:** Capsules containing a lyophilized peptide complex with excipient carrier
- **Available sizes:** 20 capsules, 60 capsules
- **Product type:** Natural peptide bioregulator (tissue-derived peptide complex)
- **Source tissue:** Bovine retinal tissue
- **Preparation:** Controlled extraction and fractionation to a low-molecular-weight peptide fraction
- **Composition:** Peptide complex of undefined individual sequences; specified by total peptide content, not by a single formula
- **Also known as:** Retina peptide bioregulator, Cytomax retina complex
- **Bioregulator branch:** Natural extract range (Cytomax), as distinct from the synthetic peptide range (Cytogen)
- **Associated tissue:** Retina and visual neural tissue
- **Research areas:** Retinal ageing models, photoreceptor and pigment epithelium biology, tissue-derived peptide complexes, comparative bioregulator studies
- **Storage:** 2–8 °C or cool room temperature in the sealed original container, protected from light, heat and humidity
- **Documentation:** Lot documentation available on request

## Description

Among the natural bioregulators from the Russian gerontology programme associated with Vladimir Khavinson, Visoluten is the one tied to the retina. It is unlike the family's synthetic tripeptides — Pinealon, Cartalax, Vesugen and others — in that it has no single, defined sequence. Instead, bovine retina is extracted and fractionated under controlled conditions to yield a complex of small peptides, which is then put into capsules.

That difference shapes how the product is used. A synthetic tripeptide is pinned down by its sequence, formula and HPLC purity; a complex taken from tissue is described instead by the tissue it came from, how it was extracted, how much peptide it contains in total and its upper molecular-weight limit — usually a few kilodaltons at most. Researchers in the bioregulator field work with such complexes on the premise that a blend of short peptides from one tissue carries information relevant to that tissue — the idea the programme started from, with organ extracts coming first and single synthetic sequences only later.

## Frequently asked questions

### Why isn't an amino-acid sequence given?

Visoluten isn't a single peptide. It is a fraction of small peptides extracted from retinal tissue, and the sequences of its individual components aren't specified. The synthetic members of the family — Pinealon or Cartalax, for example — are the ones with defined sequences.

### How do natural and synthetic bioregulators differ?

Natural bioregulators such as Visoluten are extracts of tissue, fractionated down to small peptides. Synthetic ones are single, chemically defined sequences made by solid-phase synthesis. The synthetic kind is reproducible and lets you attribute an effect to one molecule; the natural kind keeps any effect the mixture as a whole may have.

### Which documents accompany it?

Lot documents can be requested. For a complex derived from tissue, they give the source tissue, how much peptide the product contains and how molecular weights are distributed, rather than the HPLC purity we quote for synthetic peptides — for a mixture, one purity figure wouldn't mean much.

### How do I store Visoluten?

Leave it in its closed original container, protected from light, warmth and moisture — either in the fridge (2–8 °C) or in a cool, dry cupboard. Peptide complexes attract water, so don't transfer them to other containers, and close the pack after every use.

### Is it connected to any eye medicine?

No. It has no authorised indication in the EU, the United States or any other market we serve, is not an ophthalmic product and is neither sterile nor formulated for contact with the eye. It is simply research material derived from retinal tissue.

### How robust is the published evidence?

It is limited. Most studies of tissue-derived bioregulators come from a few institutions and appear mainly in regional journals, and independent replication is rare. Outside those groups, claims that the effects are tissue-specific remain unproven, so design studies with control extracts from other tissues.

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All products offered on this website are intended solely for in-vitro laboratory research and development by qualified professionals. They are not drugs, foods, cosmetics or dietary supplements, and are not intended to diagnose, treat, cure or prevent any disease. Products must not be introduced into humans or animals in any manner. By purchasing, you confirm that you are a qualified researcher and accept full responsibility for handling and storage in accordance with applicable laws.

Peptide Medix EU · https://peptidemedixeu.com/en/products/visoluten/