Thyreogen
Thyreogen is a khavinson peptide bioregulator. The Khavinson bioregulator hypothesis holds that short peptides extracted from a given tissue act preferentially on that same tissue, with proposed effects on gene expression and protein synthesis. Most supporting work comes from a single research group, is published largely in Russian-language journals, and has not been independently replicated in controlled human trials.
For research use only.
Key Facts
- CAS
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- Molecular Weight (MW)
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- Half-life
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- FDA status
- Not Approved
- Administration Route
- oral
- Frequency
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- Last updated
- Aug 30, 2026
- Reviewed
- Aug 30, 2026
Research summary
Peptide preparation derived from thyroid tissue and marketed as a tissue-specific bioregulator in the Khavinson tradition. Not FDA-approved for any indication. No controlled human efficacy trials of this specific preparation have been published; the available literature is class-level work on short peptide bioregulators.
Peptide Library's Thyreogen profile summarises 5 cited studies listed in the Science section, the compound's regulatory status, and research-protocol parameters reported for it. It is a research reference, not medical advice.
Protocol
- Dosage Range
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- Frequency
- —
- Cycle
- —
- Administration Route
- oral
- Reconstitution Guide
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Science
Mechanism of Action
The Khavinson bioregulator hypothesis holds that short peptides extracted from a given tissue act preferentially on that same tissue, with proposed effects on gene expression and protein synthesis. Most supporting work comes from a single research group, is published largely in Russian-language journals, and has not been independently replicated in controlled human trials. Claims specific to the thyroid preparation should be read as marketing rather than established pharmacology.
Studies
- Peptides and Ageing (class-level)
- Tissue-specific effects of peptides (class-level)
- Peptide bioregulation of aging: results and prospects (class-level evidence)
- Mechanisms underlying geroprotective effects of peptides (class-level evidence)
- Epigenetic mechanisms of peptide-driven regulation and neuroprotective protein FKBP1b (class-level evidence)
Regulatory & research status
Thyreogen is not an FDA-approved product. It is sold for laboratory research and has no approved medical use.
| FDA status | Not Approved |
|---|---|
| Research status | Research-only compound; no approval pathway listed |
| Availability | Research-Only |
| WADA (sport) | Unknown / Not Listed |
| Library classification | Research-Only |
Benefits
—
Potential Side Effects
No side effects listed yet for this entry.
Storage & stability
Lyophilized (freeze-dried) peptide powder is far more stable than the reconstituted solution. Keep sealed vials cold, dry and away from light; long-term storage is typically frozen, with short-term refrigeration for vials in use.
Once reconstituted in bacteriostatic water, keep the solution refrigerated, avoid repeated freeze–thaw cycles and agitation, and label the vial with the reconstitution date and concentration. Discard any solution that turns cloudy or shows particulates.
Degradation rates differ by sequence: peptides containing methionine, cysteine, asparagine or glutamine are more prone to oxidation and deamidation, so shelf life after reconstitution is compound-specific rather than universal.
Read the full guide: how to store peptides before and after reconstitution →
Source: Manning MC, Chou DK, Murphy BM, Payne RW, Katayama DS. Stability of protein pharmaceuticals: an update. Pharm Res. 2010;27(4):544–575. (PMID 20143256). General guidance for research handling; not product-specific instructions.
Thyreogen: frequently asked questions
What is Thyreogen?
Peptide preparation derived from thyroid tissue and marketed as a tissue-specific bioregulator in the Khavinson tradition. Not FDA-approved for any indication. No controlled human efficacy trials of this specific preparation have been published; the available literature is class-level work on short peptide bioregulators.
How does Thyreogen work?
The Khavinson bioregulator hypothesis holds that short peptides extracted from a given tissue act preferentially on that same tissue, with proposed effects on gene expression and protein synthesis. Most supporting work comes from a single research group, is published largely in Russian-language journals, and has not been independently replicated in controlled human trials.
Is Thyreogen FDA approved?
No. Thyreogen is not approved by the FDA for any indication and is categorised as research-only. It has not been reviewed for safety or efficacy as a medicine, and published research should be read as investigation rather than established use.
What peptides are similar to Thyreogen?
Compounds most often compared with Thyreogen include Bonomarlot, Bronchogen, Cardiogen and Cartalax. They are grouped by shared mechanism or research area rather than by equivalence, and their regulatory status and evidence base differ.
References
- Class-level evidence — Khavinson VK. Peptides and Ageing. Neuro Endocrinol Lett, 2002External reference
- Class-level evidence — Tissue-specific effects of peptides. Bull Exp Biol Med, 2001External reference
- Class-level evidence — Peptide bioregulation of aging: results and prospects — Biogerontology, 2010External reference
- Class-level evidence — Mechanisms underlying geroprotective effects of peptides — Bull Exp Biol Med, 2002External reference
- Class-level evidence — Epigenetic mechanisms of peptide-driven regulation and neuroprotective protein FKBP1b — Mol Biol (Mosk), 2019External reference
Related research, comparisons & guides
Related peptides
Compiled by Peptide Library Editorial · Reviewed Aug 30, 2026 · Updated Aug 30, 2026 · Version 1
This Thyreogen profile is compiled from published literature (5 cited studies linked above), public regulatory records and chemical registries. It describes what research reports; it is not medical advice, and nothing here is a dosing recommendation for humans. Peptide Library does not sell peptides. Editorial policy · How profiles are compiled · Report an error
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