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Transparency & Quality

Certificates of Analysis

Every compound we carry is independently tested by a third-party laboratory. Results are publicly verifiable. We publish these openly because your research deserves complete transparency.

≥99%
Purity Standard
Janoshik
Analytical
Independent Lab
100%
Publicly Verifiable

Our Sourcing & Testing Standards

Pharmaceutical-grade synthesis. Third-party verified. Openly published.

ViloLab sources exclusively from GMP-compliant pharmaceutical synthesis facilities specializing in research peptide production. Our manufacturing partners operate under strict quality control protocols, with decades of experience producing compounds to pharmaceutical-grade specifications.

Every batch is independently tested by Janoshik Analytical β€” a third-party laboratory entirely unaffiliated with our suppliers β€” prior to being offered for sale. All test results are verifiable online using the unique key printed on each COA at janoshik.com/verify.

We publish every result openly. We have nothing to hide β€” and your research deserves a supplier you can verify for yourself.

Certificates of Analysis — In-Stock Products
Retatrutide 10mg
Task #97075  ·  Janoshik Analytical  ·  Jan 2026  ·  Purity: 99.771%
✓ Verified
GHK-Cu 50mg
Task #97075  ·  Janoshik Analytical  ·  Jan 2026  ·  Purity: 99.771%
✓ Verified
Tesamorelin 10mg
Task #92344  ·  Janoshik Analytical  ·  Dec 2025  ·  Purity: 99.521%
✓ Verified

COAs for additional compounds are available upon request. Contact us with the product name and we will provide full documentation before your order.

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