Quality Certificates

All CytoPep Research Labs peptides are tested by independent third-party laboratories to ensure the highest standards of purity and quality. Download certificates of analysis for complete transparency.

Third-Party Verified

All products undergo rigorous HPLC-UV-MS testing by accredited laboratories. Certificates are available for download to verify authenticity and purity.

Retatrutide
Tested by MZ Biolabs on April 30, 2025
✓ Verified

Purity

99.57%

Test Method

HPLC-UV-MS

Lot Number

2025-04-08

Laboratory

MZ Biolabs

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Retatrutide Certificate of Analysis
About Our Testing Standards

HPLC-UV-MS Testing: High Performance Liquid Chromatography with UV detection and Mass Spectrometry is the gold standard for peptide purity analysis. This method provides definitive identification and quantification of active compounds.

Independent Verification: All testing is performed by accredited third-party laboratories, ensuring unbiased and objective results. We do not conduct our own testing to maintain complete transparency.

Quality Assurance: Every batch is tested before distribution. Certificates of analysis are maintained for traceability and quality control purposes.

Research Use Only: All CytoPep Research Labs products are intended for research purposes only and are not approved for human consumption or medical use.