Retatrutide 99.6% Purity — Optimum Source ResearchCertificate of Analysis · Independent third-party lab result
Retatrutide COA from Optimum Source Research lacks critical testing data: batch ID, purity percentage, test date, and endotoxin status are all unreported.
- Test date
- 2026-03-25
- Testing lab
- Janoshik
- Batch / lot
- —
- Quantity
- 22.71mg
- Endotoxins
- —
- Assay method
- —
- Label dose
- 20mg
How this result compares
This Retatrutide certificate's tested purity of 99.57% ranks higher than 18% of the 10447 Retatrutide certificates with a purity result we have catalogued (median 99.83%).
Tested 2026-03-25 by Janoshik. This test is newer than 59% of our catalogued Retatrutide certificates.
Optimum Source Research has 14 certificates in our corpus, including 1 for Retatrutide at a median tested purity of 99.57%.
Janoshik (public)
URL referencedThis 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 labOCR text Raw extracted text
Extracted via OCR. Names, emails, phone numbers, and street addresses are auto-redacted before display.
{
"peptide": "Retatrutide",
"dose": "20mg",
"purity_pct": 99.571,
"purity_label": "99.571%",
"method": "",
"test_date": "2026-03-25",
"client": "Optimum Source Research",
"notes": "",
"label_qty": "20mg",
"tested_qty": "22.71mg",
"quantity_deviation_pct": 13.55,
"is_blend": false,
"components_json": "",
"ocr_confidence": 0.98
}