INDEPENDENTLY VERIFIED

Lab Results & Transparency

Every Pepcore peptide is HPLC tested with a guaranteed minimum purity of 99%. We include a Certificate of Analysis (COA) with every order — because transparency builds trust.

≥99% Purity
Every batch verified by HPLC analysis
COA Included
Certificate of Analysis with every order
MS Verified
Mass spectrometry confirms molecular identity
GMP Sourced
Raw materials from certified facilities

Our Testing Process

From sourcing to shipping, every peptide goes through a rigorous 4-step quality assurance process.

01
Raw Material Sourcing
We source peptides exclusively from GMP-certified facilities with established quality management systems.
02
HPLC Purity Testing
Every batch undergoes High-Performance Liquid Chromatography (HPLC) analysis to verify a minimum purity of 99%.
03
Mass Spectrometry (MS)
Mass spectrometry confirms the molecular identity of each peptide, ensuring it matches the expected molecular weight.
04
Certificate of Analysis
A detailed COA is generated for every batch, including chromatograms, MS data, appearance, solubility, and purity results.

Recent Batch Results

View the latest HPLC purity results for our most popular research peptides.

ProductPurityBatchDate
Tirzepatide 10mg99.4%TRZ-2026-003Mar 2026
BPC-157 5mg99.7%BPC-2026-008Mar 2026
Semaglutide 3mg99.2%SEM-2026-005Feb 2026
Ipamorelin 5mg99.6%IPA-2026-004Mar 2026
NAD+ 500mg99.3%NAD-2026-002Feb 2026
Retatrutide 10mg99.5%RET-2026-001Mar 2026
CJC-1295 No DAC 5mg99.8%CJC-2026-006Mar 2026
Epitalon 50mg99.4%EPI-2026-003Feb 2026

Need a COA for a specific batch? Contact us via Telegram (@Pepcore) or email and we will send it directly.

Ready to Order?

Every order includes a COA with full analytical data.

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