§ CERTIFICATE OF ANALYSIS · THIRD-PARTY HPLC · FEB-2026● VERIFIED SUBMISSION · PUBLIC RECORD

Home › Lab Tests › Grey Market Peptides, P21 (P021)

◆ Batch ID · N/A✓ Verified · Pass

P21 (P021) × Grey Market Peptides - Lab Test, February 2026

Tested Monday, February 16, 2026 · submitted by @Frank 👑 Legend

HPLC Purity

99.71%

✓ Excellent

PeptideP21 (P021)

Brandgreymarketpeptide.com

Labfreedomdiagnosticstesting.com

↓ Download COA 🔗 Share

Test results

7 data points

Purity

99.71%

Endotoxins

Not tested

Stated qty

10 mg

Tested qty

9.65 mg

Qty match

97% of labeled · -3%

Batch ID

N/A

Container

White Lyophilized Powder

Tested by

freedomdiagnosticstesting.comView profile →

◆ Quantity verification

10 mg→9.65 mg-3%

About this test

This independent LC-MS lab test confirms P-21 10mg from Grey Market Peptides at 99.711% purity. The analysis was conducted by Freedom Diagnostics on February 16, 2026.

P-21 is a peptide compound researched for its potential in cellular senescence inhibition and anti-aging support. A purity level of 99.711% indicates minimal contamination and high-grade synthesis.

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