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KHAVINSON BIOREGULATOR
Testagen
Testagen is a synthetic tetrapeptide (Lys-Glu-Asp-Gly) from the Khavinson bioregulator series, proposed to interact with anterior pituitary gonadotroph cells in ways that support testosterone and TSH synthesis.
Available strengths
5mg
1 of 1 rows in stock
How to use it: compare suppliers below side by side on price and whether a COA is on file — those two checks are the fastest way to spot a good deal. All COAs can be verified directly on each supplier's own website.
Strength 5mg1
| # | Suppliers | Price | €/mg | Price trend (6 months) | Purity | COA | Score ⓘ | |
|---|---|---|---|---|---|---|---|---|
| 1 |  PPWPEPTIDE POWER in stock LT | €59 | €11.8/mg | 99% | — Pending | — | Shop → |
Prices manually checked and updated monthly — source: publicly available supplier data. No affiliate links, no paid placement.
Testagen
Mechanism, evidence level, EU status and COA guidance per compound. No dosages, no protocols — that belongs with a doctor.