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Purity · pass✓ Lab-verifiedShop-provided sample

Retatrutide — lab test, January 2026

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Tested · submitted by Peptigrity Team Member 02PEPTIGRITY TEAM
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
99.64%
Excellent purity only
BrandShop withheld
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Independently confirmed on the lab’s portal✓ Extra check

COA #101789 matches Janoshik Labs's public record. So this test doesn't rest on our review alone — the lab confirms it too.

Lookup codeX19DTZEPIUE6

Test results

6 data points
Purity
99.64%
Endotoxins
Not tested
Heavy metals
Not tested
Stated qty
5 mg
Tested qty
5.6 mg
Qty match
112% of labeled · +12%
Batch / Lot
POL-R5-4
COA number
#101789
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 5 mg · Lab measured 5.6 mg

112% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 1.4 mg using the measured mass, against 1.3 mg on the label — 12% 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 number#101789
Portal lookup✓ Lab-verified
Checked4 Aug 2026date taken from the record, not from a logged check
Checked byPeptigrity staff, against the lab's portal
PDF vs portalJanoshik Labs's portal shows validity only
WeightCounts as one lab test

Independent HPLC purity analysis of Retatrutide, performed by Janoshik Labs on January 26, 2026. Reported purity: 99.64%. Net content: 5.6 mg against 5 mg labeled (112% of label). Tested content exceeds the labeled amount by 12%. Batch POL-R5-4. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
Issued by Janoshik Labs · Jan 26, 2026 · Batch POL-R5-4

Related lab tests

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The 1316 other Retatrutide tests on Peptigrity range from 64.06% to 100.00%. This one sits at 99.64%.

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