With over 15 years of excellence in peptide production, XX Peptide specializes in research peptides, beauty peptides, and fitness peptides. We pride ourselves on innovation, strict quality control, and unparalleled customer service. Our state-of-the-art GMP-compliant manufacturing facility enables us to produce custom and bulk peptides with full traceability, ensuring consistent quality and reliability for our global customers.
What we do
Custom Peptide Synthesis
We manufacture peptides tailored to your exact specifications — including sequence, purity, and quantity — for research, pharmaceutical, and biotech applications.
Bulk & Catalog Peptide Supply
We offer a wide range of standard peptides with fast lead times and competitive pricing, suitable for bulk procurement and repeat orders.
End-to-End Quality Control
From raw materials to final product, every stage is strictly tested using HPLC and MS. Each batch comes with a complete Certificate of Analysis.
Certifications
After our company’s products are produced, they are randomly sampled and sent to Janoshik laboratory for testing.
