§ CERTIFICATE OF ANALYSIS · THIRD-PARTY HPLC · FEB-2026● VERIFIED SUBMISSION · PUBLIC RECORD

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◆ Batch ID · RET19✓ Verified · Pass

Retatrutide × Growth Guys - Lab Test, February 2026

Tested Wednesday, February 25, 2026 · submitted by @Frank 👑 Legend

HPLC Purity

99.53%

✓ Excellent

PeptideRetatrutide

Brandgrowthguys.is

LabJanoshik Labs

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Test results

6 data points

Purity

99.53%

Endotoxins

Not tested

Stated qty

10 mg

Tested qty

9.81 mg

Qty match

98% of labeled · -2%

Batch ID

RET19

Tested by

Janoshik LabsView profile →

◆ Quantity verification

10 mg→9.81 mg-2%

About this test

This independent lab analysis confirms Retatrutide 10mg from Growth Guys at 99.532% purity. The test was conducted by Janoshik Labs on February 25, 2026, with a tested quantity of 9.81mg across multiple vials (9.81mg, 10.39mg, 9.85mg).

Retatrutide is a triple GIP/GLP-1/glucagon receptor agonist researched for its potential role in metabolic regulation, weight management, and glycemic control. A purity level of 99.532% indicates high-grade synthesis with minimal impurities.

The full certificate of analysis is available for verification at www.janoshik.com/verify/ using the unique key XNM763Y6K834.