Product Certificates of Analysis
View and download the full third-party lab reports for our peptides. Every certificate is from an independent, accredited laboratory.
Retatrutide
COA VerifiedThird-party Certificate of Analysis confirming identity, purity, and quality of Retatrutide peptide.
GHK-Cu
COA VerifiedThird-party Certificate of Analysis confirming identity, purity, and quality of GHK-Cu peptide.
BPC-157 + TB-500
COA VerifiedThird-party Certificate of Analysis confirming identity, purity, and quality of BPC-157 + TB-500 blend.
GHK-Cu Topical Serum
COA VerifiedThird-party Certificate of Analysis confirming identity, purity, and quality of GHK-Cu Topical Serum.
GLOW
COA VerifiedThird-party Certificate of Analysis confirming identity, purity, and quality of GLOW peptide blend.
KLOW
COA VerifiedThird-party Certificate of Analysis confirming identity, purity, and quality of KLOW peptide blend.
Verified Quality Standards
At PSPeptides, quality isn't just a promise — it's verified. Every product we sell meets rigorous standards backed by independent testing and industry certifications.
HPLC Testing
High-Performance Liquid Chromatography testing on every batch to verify peptide identity and purity levels of 99% or higher.
Mass Spectrometry
Mass Spec analysis confirms the molecular weight and structural integrity of every peptide to ensure you receive exactly what's on the label.
Certificate of Analysis
Every product ships with a detailed COA from an independent, accredited laboratory. COA reports are also available on each product page.
GMP Standards
Our peptides are manufactured in facilities that follow Good Manufacturing Practice guidelines, ensuring consistent quality and safety protocols.
Third-Party Verified
All testing is performed by independent, accredited laboratories. We never self-certify — transparency and trust are at our core.
Purity Guarantee
We guarantee a minimum purity of 99% on all peptides. If a product doesn't meet this standard, we'll replace it free of charge — no questions asked.
Our Commitment to Quality
Quality assurance is the foundation of PSPeptides. From sourcing raw materials to final packaging, every step of our process is designed to deliver peptides of the highest purity and consistency. We believe in full transparency — that's why COA reports are available for download on every product page.
If you have questions about our testing methods or would like to request a specific COA, please don't hesitate to contact us.