TitrateLab · Certificate of Analysis
Tested vendor:onlythebestaas.com All testosterone results & stats

testosterone — onlythebestaas.comCertificate of Analysis · Independent third-party lab result

Purity Not reported This certificate did not report an HPLC purity figure.
Dose vs label -4.8% Essentially at label
Evidence URL referenced
Test date
2021-05-15
Testing lab
Janoshik
Batch / lot
—
Quantity
95.20 mg/ml
label 100mg/ml · tested 95.20 mg/ml
Endotoxins
—
Assay method
—
Context

How this result compares

We have catalogued 19 testosterone certificates; across the 5 with a purity result the median tested purity is 93.68%.

Tested 2021-05-15 by Janoshik. This test is newer than 8% of our catalogued testosterone certificates.

onlythebestaas.com has 63 certificates in our corpus, including 1 for testosterone.

Manufacturer
onlythebestaas.com
View vendor profile
Source

Janoshik (public)

URL referenced

This entry references an upstream lab URL we crawled. We did not save the artifact, so we can't prove the report still loads as it did when we catalogued it.

Verify on the upstream lab
Catalogued
2026-06-20
OCR text Raw extracted text

Extracted via OCR. Names, emails, phone numbers, and street addresses are auto-redacted before display. 

{
  "peptide": "testosterone",
  "dose": "",
  "purity_pct": null,
  "purity_label": "",
  "method": "",
  "test_date": "2021-05-15",
  "client": "onlythebestaas.com",
  "notes": "Retested twice.",
  "label_qty": "100mg/ml",
  "tested_qty": "95.20 mg/ml",
  "quantity_deviation_pct": -4.8,
  "is_blend": false,
  "components_json": "",
  "ocr_confidence": 1.0
}
Related

Other testosterone certificates

Unknown vendor testosterone
85.8% 2026-01-26
Janoshik Nova China testosterone
91.5% 2025-08-05
Janoshik ASTERA LABS testosterone
100.0% 2024-10-14
Janoshik DEUS MEDICAL testosterone
93.7% 2023-05-26
Janoshik DEUS MEDICAL testosterone
99.5% 2020-06-22
Janoshik
All testosterone results & stats
This certificate is part of TitrateLab's community-trust corpus. See more from onlythebestaas.com or learn how trust scores are computed on the methodology page. New to lab reports? How to read a COA →