TitrateLab · Certificate of Analysis
Tested vendor:Matrix Laboratories All Proviron results & stats

Proviron — Matrix LaboratoriesCertificate of Analysis · Independent third-party lab result

Purity Not reported This certificate did not report an HPLC purity figure.
Dose vs label +4.2% Essentially at label
Evidence Artifact captured Trust: medium
AI summary Third-party lab

Janoshik tested this Proviron sample, finding 26.06mg of Mesterolone via AAS against a 25mg label (4.24% deviation). Purity and endotoxin results are not available. The test is stale (over 1 year old). Customers can cross-check on the lab's public verification URL.

Watch out for
  • no purity test
  • no endotoxin test
  • stale (1+ years old)
Test date
2025-04-01
Testing lab
Janoshik
Batch / lot
—
Quantity
26.06 mg
label 25mg · tested 26.06 mg
Endotoxins
—
Assay method
—
Label dose
25mg
Context

How this result compares

We have catalogued 4 Proviron certificates; across the 1 with a purity result the median tested purity is 98.00%.

Tested 2025-04-01 by Janoshik.

Matrix Laboratories has 19 certificates in our corpus, including 1 for Proviron.

Manufacturer
Matrix Laboratories
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Certificate

Test report image

Certificate scan
Certificate scan as published.
Source

Janoshik (public)

Artifact captured

We have the certificate image (SHA-256 hash captured) — you can verify it loads from the upstream lab and matches the artifact shown here.

Verify on the upstream lab
Dose
25mg
Catalogued
2026-04-22
Artifact hash
47764b8e423dcadc…
Related

Other Proviron certificates

NOXYLABS Proviron
98.0% 2025-02-05
Janoshik Axle Labs Proviron
— 2023-08-24
Janoshik
All Proviron results & stats
This certificate is part of TitrateLab's community-trust corpus. See more from Matrix Laboratories or learn how trust scores are computed on the methodology page. New to lab reports? How to read a COA →