§ CERTIFICATE OF ANALYSIS · THIRD-PARTY HPLC · FEB-2026● VERIFIED SUBMISSION · PUBLIC RECORD
◆ Batch ID · 100012721✓ Verified · Pass
Retatrutide × Stratford Peptides - Lab Test, February 2026
Tested · submitted by @Frank 👑 Legend
HPLC Purity
99.00%
✓ Excellent
Test results
7 data points
Purity
99.00%
Endotoxins
Not tested
Stated qty
20 mg
Tested qty
19.73 mg
Qty match
99% of labeled · -1%
Batch ID
100012721
Container
White powder in glass vial
Tested by
Analiza BiałekView profile →
◆ Quantity verification
20 mg→19.73 mg-1%
About this test
This independent HPLC lab test confirms Retatrutide 20mg from Stratford Peptides at 99% purity. The analysis was conducted by Analiza Białek on February 27, 2026.
Retatrutide is a triple GIP/GLP-1/GCG receptor agonist researched for its role in metabolic regulation, weight management, and glycemic control. A purity level of 99% indicates high-grade synthesis with minimal contamination.
The full certificate of analysis is available for download on this page.
Certificate of analysis
Original document
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