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Purity · passShop-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
99.567%
Excellent purity only
BrandShop withheld
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Independent verification available

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Test results

6 data points
Purity
99.567%
Endotoxins
Not tested
Heavy metals
Not tested
Stated qty
15 mg
Tested qty
17.54 mg
Qty match
117% of labeled · +17%
Batch / Lot
RET-15-001-0102
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 15 mg · Lab measured 17.54 mg

117% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 4.4 mg using the measured mass, against 3.8 mg on the label — 17% 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.

Independent HPLC purity analysis of Retatrutide, performed by Janoshik Labs on January 23, 2026. Reported purity: 99.567%. Net content: 17.54 mg against 15 mg labeled (117% of label). Tested content exceeds the labeled amount by 17%. Batch RET-15-001-0102. Sample source: shop-provided.

Certificate of analysis

Original document
JANOSHIK LABS · HPLC-UV/MSLAB-RET-15-001-0102
SAMPLE
Retatrutide
BATCH
RET-15-001-0102
CLIENT
Shop withheld
DATE
JAN 23, 2026
METHOD
HPLC-UV/MS
COL.
C18 2.7μm
◆ AREA % = 99.567RT = 5.42 min
ACCEPT · MEETS SPEC
Issued by Janoshik Labs · Jan 23, 2026 · Batch RET-15-001-0102

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The 1316 other Retatrutide tests on Peptigrity range from 64.06% to 100.00%. This one sits at 99.57%.

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