Retatrutide in Canada: What the Published Certificates Actually Show

Canadian laboratory buyers comparing Retatrutide should check the exact sample size and identifier behind each result. The FirstLabs report library contains Freedom Diagnostics and Janoshik Analytical documents, not a Janoshik certificate for every Retatrutide size.

This review transcribes the published documents as of October 21, 2026. It is not independent laboratory authentication, proof of current-stock traceability, or evidence of suitability for human use.

Retatrutide 20mg: lot R2055

The Freedom Diagnostics certificate lists purity of 99.51%, lot R2055, receipt on June 8, 2026 and a reported date of June 9, 2026. The reported date is not a manufacture date. The website previously used a different batch label; the report itself identifies R2055.

Retatrutide 15mg: task #167355

The Janoshik report names Retatrutide 15mg and reports 17.68mg measured quantity and 99.594% purity. Analysis was conducted June 2, 2026. The batch field is not specified; #167355 is a laboratory task number, not a production lot.

Retatrutide 30mg: two different reports

The Janoshik report, task #121829, lists analysis on March 17, 2026, 33.05mg measured quantity and 99.482% purity. Its batch field is not specified. It cannot by itself establish which current 30mg stock is covered.

The separate Freedom Diagnostics report for lot RET30-003, the rejected blue-cap batch, reports 96.97% purity and 10.82mg net content, dated August 30, 2026. That rejected batch is not for sale. Its results must not be presented as evidence for another lot.

Open the exact documents

• Retatrutide 15mg — Janoshik Analytical, #167355, 99.594%
• Retatrutide 20mg — Freedom Diagnostics, R2055, 99.51%
• Retatrutide 30mg — Freedom Diagnostics, RET30-003, 96.97% — flagged / rejected
• Retatrutide 30mg — Janoshik Analytical, Task #121829, 99.482%

What is missing?

No 10mg-specific certificate is currently published in the FirstLabs report library. A report for 15mg, 20mg or 30mg does not fill that gap. For every size, ask FirstLabs to connect the offered stock to the report using a lot label and traceability record. A cap colour, catalogue name or task number alone is not that connection.

Before placing a Canadian research order

Compare the catalogue's vial sizes and CAD prices, check shipping terms, and request batch documentation. Use the COA checklist to record identifiers, dates, methods and units. Purity, identity and quantity answer different questions; none establishes clinical safety or approval.

FirstLabs products are for laboratory research only, not human consumption. This article contains no personal dosing or treatment advice.

Sources

The four size-specific certificates linked above are the primary sources for these transcriptions. Janoshik offers an issuer verification service; enter the task and unique key from the original report. For Freedom Diagnostics documents, use independently confirmed issuer contact information when authentication is required.