§ CERTIFICATE OF ANALYSIS · THIRD-PARTY HPLC · JAN-2026● VERIFIED SUBMISSION · PUBLIC RECORD
◆ Batch ID · N/A✓ Verified · Pass
Retatrutide × Penguin Peptides - Lab Test, January 2026
Tested · submitted by @Frank 👑 Legend
HPLC Purity
99.87%
✓ Excellent
Test results
6 data points
Purity
99.87%
Endotoxins
Not tested
Stated qty
40 mg
Tested qty
42.82 mg
Qty match
107% of labeled · +7%
Batch ID
N/A
Tested by
Janoshik LabsView profile →
◆ Quantity verification
40 mg→42.82 mg+7%
About this test
This independent lab test confirms Retatrutide 40mg from Penguin Peptides at 99.888% purity with an actual measured content of 42.82 mg. The analysis was conducted by Janoshik Labs on January 21, 2026.
Retatrutide is a triple agonist targeting GIP, GLP-1, and glucagon receptors, researched for its role in metabolic regulation, body composition, and energy expenditure. A purity level of 99.888% reflects high-grade synthesis with negligible impurities.
The full certificate of analysis is available for download on this page.
Certificate of analysis
Original document
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