§ CERTIFICATE OF ANALYSIS · THIRD-PARTY HPLC · JUN-2026● VERIFIED SUBMISSION · PUBLIC RECORD
HomeLab Tests Good Science, Retatrutide
◆ Batch ID · 3548303 Verified · Pass

Retatrutide × Good Science - Lab Test, June 2026

Tested · submitted by @Frank 👑 Legend
HPLC Purity
99.80%
Excellent

Test results

7 data points
Purity
99.80%
Endotoxins
Pass - <5.00 EU/mg
Stated qty
10 mg
Tested qty
11.62 mg
Qty match
116% of labeled · +16%
Batch ID
3548303
Tested by
Vanguard LaboratoryView profile →
◆ Quantity verification
10 mg11.62 mg+16%

About this test

This independent HPLC lab test confirms Retatrutide 10mg from Good Science at 99.80% purity. The analysis was conducted by Vanguard Laboratory on June 12, 2026. The tested quantity of 11.62mg exceeds the stated 10mg label claim, indicating consistent formulation accuracy.

Retatrutide is a triple GIP/GLP-1/glucagon receptor agonist researched for metabolic regulation and weight management. A purity level of 99.80% indicates high-grade synthesis with minimal contamination. Endotoxin testing passed at <5.00 EU/mg, confirming safety standards.

The full certificate of analysis is available for download on this page

Certificate of analysis

Original document
Retatrutide Good Science COA
Issued by Vanguard Laboratory · Jun 12, 2026 · Batch 3548303

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