HomeLab Tests Unknown Brand, Retatrutide
Purity · pass✓ Lab-verifiedShop-provided sample

Retatrutide × Unknown Brand — Lab Test, September 2026

Tested · submitted by @PurelineBioLabs 💬 Contributor
Sample source: shop-provided. The shop chose and sent this vial. Samples bought at retail by a member carry more weight.How we weigh evidence →
HPLC Purity
99.51%
Excellent purity only
BrandUnknown Brand
↓ Download COA
Independently confirmed on the lab’s portal✓ Extra check

COA 226521 matches Janoshik Labs's public record. So this test doesn't rest on our review alone — the lab confirms it too.

Lookup code733HTS1XDKRI

Test results

5 data points
Purity
99.51%
Endotoxins
Not tested
Heavy metals
Not tested
Stated qty
10 mg
Tested qty
13.51 mg
Qty match
135% of labeled · +35%
Batch / Lot
N/A
COA number
226521
Tested by
Janoshik LabsView profile →

This is a purity and identity analysis. Sterility, endotoxins, and heavy metals were not screened — a high purity figure says nothing about those.

About this test

What’s in the vial

Label 10 mg · Lab measured 13.51 mg

135% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 3.4 mg using the measured mass, against 2.5 mg on the label — 35% more.

One vial from this lot was weighed by the laboratory, not yours. This page reports what the certificate says; it does not recommend a dose.

Verification trail
Report number226521
Portal lookup✓ Lab-verified
PDF vs portalJanoshik Labs's portal shows validity only
WeightCounts as one lab test

Independent HPLC purity analysis of Retatrutide from Unknown brand, performed by Janoshik Labs on September 2, 2026. Reported purity: 99.51%. Net content: 13.51 mg against 10 mg labeled (135% of label). Tested content exceeds the labeled amount by 35%. Sample source: shop-provided.

Certificate of analysis

Original document
JANOSHIK LABS · HPLC-UV/MSLAB-N/A
SAMPLE
Retatrutide
BATCH
N/A
CLIENT
Unknown Brand
DATE
SEP 02, 2026
METHOD
HPLC-UV/MS
COL.
C18 2.7μm
◆ AREA % = 99.51RT = 5.42 min
ACCEPT · MEETS SPEC
Issued by Janoshik Labs · Sep 02, 2026 · Batch N/A

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The 1317 other Retatrutide tests on Peptigrity range from 64.06% to 100.00%. This one sits at 99.51%.

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