longevity
Testagen
Khavinson testicular bioregulator
Cheapest offer
$3.15/mg
5 vendors tracked5 live pricesLast crawl: 2026-09-08 18:02 UTC
About
A Khavinson tetrapeptide bioregulator (Lys-Glu-Asp-Gly / KEDG) studied in Russian gerontology research for testicular Leydig-cell and steroidogenic gene-expression parameters in aging research.
Also known as: Lys-Glu-Asp-Gly, KEDG, Testicular bioregulator
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For research purposes only. Not for human consumption. Always verify calculations independently.
Cost-per-dose recalculates as you adjust the calculator above.
Testagen · 20mg
5 vendors
Operational
$63.00
$3.15/mg· $0.79/dose
In stock◎ Best $/mg
B-
Operational$65.00
$3.25/mg· $0.81/dose
In stock▲ 3.2% vs best
Watch
$65.00
$3.25/mg· $0.81/dose
In stock▲ 3.2% vs best
Operational
$67.99
$3.40/mg· $0.85/dose
In stock▲ 7.9% vs best
Operational
$79.97
$4.00/mg· $1.00/dose
In stock▲ 26.9% vs best
| Vendor | Grade | Risk | Price | $/mg | Trend | $/dose at 0.25 mg | Stock | |
|---|---|---|---|---|---|---|---|---|
| Core Peptides US | A | Operational | $63.00 ◎ Best $/mg | $3.15 | $0.79 | In stock | Buy with code → | |
| Atomik Labz US | B- | Operational | $65.00 ▲ 3.2% | $3.25 | $0.81 | In stock | Visit → | |
| Solution Peptides US | B- | Watch | $65.00 ▲ 3.2% | $3.25 | $0.81 | In stock | Visit → | |
| Glacier Aminos US | B | Operational | $67.99 ▲ 7.9% | $3.40 | $0.85 | In stock | Visit → | |
| BioLongevity Labs US | B | Operational | $79.97 ▲ 26.9% | $4.00 | $1.00 | In stock | Visit → |
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2026-09-08Research use only. The compounds listed on this page are not approved for human use through research-chemical channels. Nothing on this page is medical advice. Consult a qualified clinician before considering any peptide protocol. See affiliate disclosure and our scoring methodology.
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