§ CERTIFICATE OF ANALYSIS · THIRD-PARTY HPLC · MAY-2026● VERIFIED SUBMISSION · PUBLIC RECORD
◆ Batch ID · 3548315✓ Verified · Pass
SELANK × Good Science - Lab Test, May 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
11.53 mg
Qty match
115% of labeled · +15%
Batch ID
3548315
Tested by
Vanguard LaboratoryView profile →
◆ Quantity verification
10 mg→11.53 mg+15%
About this test
This independent HPLC lab test confirms SELANK 10mg from Good Science at 99.80% purity. The analysis was conducted by Vanguard Laboratory on May 27, 2026. The tested quantity of 11.53mg exceeds the stated 10mg label claim, demonstrating consistent formulation accuracy.
SELANK is a synthetic nootropic peptide researched for its role in anxiety modulation, stress resilience, and cognitive support. 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
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