Where Peptides Meet Evidence
At RCpeptides, we offer ultra-pure research peptides for laboratory use, thoroughly tested and verified at 99% purity or higher.
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See How We Produce
Every RCpeptides product is manufactured under strict quality-controlled conditions. From synthesis through final quality control, our process is designed to support consistent purity and reliable research materials.
Pharmaceutical-grade synthesis facilities
Independent third-party laboratory testing
Certificate of Analysis available for every product
Transparency & Professionalism
Our peptides are produced under strict quality controls designed to support purity, consistency, and scientific reliability. We provide research compounds with a focus on quality and transparency.
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99% Purity Guaranteed
Every peptide from RCpeptides is crafted with the utmost care to guarantee exceptional purity of over 99%, exceeding industry standards for research-grade compounds. When your research demands uncompromising quality and consistent results, choose compounds you can rely on.
Browse Research PeptidesWhy Researchers Trust Us
We hold ourselves to high standards for quality, consistency, and transparency across our research catalog.
99%+ Purity
Every batch is tested by independent third-party laboratories for quality and consistency.
Research Grade
High-quality compounds produced under controlled manufacturing and quality standards.
Full Transparency
Certificates of Analysis are available for individual product batches.
Bestsellers
Follistatin344 5mg vial
Price range: €225.00 through €1,912.50
PNC-27 10mg vial
Price range: €100.00 through €850.00Research Use Only
All products supplied by RCpeptides are intended exclusively for laboratory research and in-vitro use. Not for human consumption or veterinary use. Research customers are responsible for compliance with all applicable local regulations.
Frequently Asked Questions
What is RCpeptides?
RCpeptides is a Netherlands-based supplier of research-grade peptides and laboratory compounds for in-vitro research use. All materials are independently tested by certified third-party laboratories and supplied with Certificates of Analysis (COAs).
Are these products intended for human or veterinary use?
No. All products supplied by RCpeptides are strictly for laboratory research and in-vitro use only. They are not intended for human consumption, veterinary use, or any clinical application. Research customers are responsible for complying with all applicable local regulations.
What is a Certificate of Analysis (COA)?
A Certificate of Analysis (COA) is an independently issued laboratory document confirming the purity, identity, and quality of a research compound. RCpeptides publishes COAs for every product batch, issued by Janoshik Analytical, an independent accredited laboratory.
What purity standard do your research materials meet?
All research compounds at RCpeptides are independently verified to meet 99%+ purity by accredited third-party laboratories. Batch-specific test results are publicly available on the Test Results page.
Do you ship research materials internationally?
Yes. RCpeptides ships research materials to EU countries and worldwide. Shipping times and available methods depend on the destination. Full details are available on the Shipping Policy page.
Where can I find batch test results and COA information?
Batch test results and Certificates of Analysis for all research materials are published on the Test Results page. Each report is issued by Janoshik Analytical.