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Peptide Encyclopedia / Testagen

Encyclopedia

Testagen

Testagen is a short synthetic peptide from the Khavinson bioregulator family, usually described as a tripeptide, marketed toward reproductive and endocrine tissue. Its proposed action on tissue-specific gene expression stays largely unproven, with the evidence limited to mostly Russian-language work that Western trials have not validated. It is not FDA-approved and sells as a gray-market research chemical. Below you'll find reported dosing, safety, and legal status. Educational only, not medical advice.

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CategoryLongevity / Anti-aging
Regulatory statusNot FDA-approved; sold as a research chemical/supplement-style bioregulator.

Mechanism

A short synthetic peptide from the Khavinson 'bioregulator' family (commonly cited as a tripeptide), marketed as targeting reproductive/endocrine tissue with a proposed tissue-specific modulation of gene expression. Mechanism should be regarded as proposed and largely unproven.

Half-life

uncertain; short peptides are expected to clear rapidly, but no rigorous human PK exists. Commonly reported use/dosing: No validated regimen. Reported as short low-milligram oral or subcutaneous courses in anecdotal/bioregulator use; not clinically established.

Regulatory status

Not FDA-approved; sold as a research chemical/supplement-style bioregulator. Unapproved in the US and gray-market.

Safety

Human safety data very limited; unknown long-term effects and research-grade purity/contamination concerns. Experimental use only.

Evidence

Limited, mostly non-peer-reviewed/Russian-language bioregulator literature; not clinically validated by Western standards.

Sources

PepWise is an informational and educational tracking tool, not medical advice and not a medical device. Testagen may be experimental, restricted, or prescription-only; many research peptides are not FDA-approved. Consult a licensed healthcare provider before starting, changing, or stopping any protocol. Operated by STC Consulting, Inc.