Tirzepatide 99.9% Purity — Penguin PeptidesCertificate of Analysis · Independent third-party lab result
Janoshik tested this Tirzepatide from Penguin Peptides, showing 99.883% purity. The tested quantity of 136.17mg was 13.48% over the 120mg label. Endotoxin status is unknown, and the test is recent (3-6 months old). Customers can cross-check on the lab's public verification URL.
- no endotoxin test
- quantity deviation (13%+)
- Test date
- 2026-01-21
- Testing lab
- Janoshik
- Batch / lot
- —
- Quantity
- 136.17mg
- Endotoxins
- —
- Assay method
- —
- Label dose
- 120mg
How this result compares
This Tirzepatide certificate's tested purity of 99.88% ranks higher than 65% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).
Tested 2026-01-21 by Janoshik. This test is newer than 56% of our catalogued Tirzepatide certificates.
Penguin Peptides has 58 certificates in our corpus, including 13 for Tirzepatide at a median tested purity of 99.88%.
Test report image
Janoshik (public)
Artifact capturedWe 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 labOCR text Raw extracted text
Extracted via OCR. Names, emails, phone numbers, and street addresses are auto-redacted before display.
{
"peptide": "Tirzepatide",
"dose": "120mg",
"purity_pct": 99.883,
"purity_label": "99.883%",
"method": "",
"test_date": "2026-01-21",
"client": "Penguin Peptides",
"notes": "",
"label_qty": "120mg",
"tested_qty": "136.17mg",
"quantity_deviation_pct": 13.475,
"is_blend": false,
"components_json": "",
"ocr_confidence": 1.0
}