§ CERTIFICATE OF ANALYSIS · THIRD-PARTY HPLC · NOV-2025● VERIFIED SUBMISSION · PUBLIC RECORD

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◆ Batch ID · RET13✓ Verified · Pass

Retatrutide × Growth Guys - Lab Test, November 2025

Tested Tuesday, November 11, 2025 · submitted by @Frank 👑 Legend

HPLC Purity

99.83%

✓ Excellent

PeptideRetatrutide

Brandgrowthguys.is

LabJanoshik Labs

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Test results

6 data points

Purity

99.83%

Endotoxins

Not tested

Stated qty

20 mg

Tested qty

22.25 mg

Qty match

111% of labeled · +11%

Batch ID

RET13

Tested by

Janoshik LabsView profile →

◆ Quantity verification

20 mg→22.25 mg+11%

About this test

This independent lab analysis confirms Retatrutide 20mg from Growth Guys at 99.832% purity. The test was conducted by Janoshik Labs on November 11, 2025, with a tested quantity of 22.25mg across multiple vials (22.25mg, 22.35mg, 22.44mg).

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 99.832% 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 67J5V7B6898C.