GMP-certified facilities delivering fully traceable custom and bulk peptides, produced to strict ≥99% research-grade purity standards. Each batch includes a COA and supports third-party verification.
3 Hidden Supplier Risks That Quietly Destroy Your Research Timeline
You pay premium prices for so-called "high-purity" peptides — only to discover actual purity is 80% or lower. Contaminated samples distort your data. Weeks of experiments are lost.
Your project hits a critical milestone. The supplier promises fast delivery — then disappears. Rush fees don't help. Your team waits. Your client pushes back.
Poor solubility. Low biological activity. Specs not met. Emails go unanswered. Calls ignored. Your experiment stops — and no support shows up.
Every batch includes a complete COA report. Third-party testing available on request. No assumptions. No shortcuts. Only verifiable data.
Multiple overseas warehouses ensure fast delivery of standard orders, with no additional expedited fees. Your project will always progress according to plan.
Our professional service team is available online 24/7, providing full support before delivery, during shipment, and after delivery. No delays, no handoffs, and no excuses.
Choose Kerisite — your reliable peptide partner, no compromises.
Contact Our Peptide Experts →We take immense pride in our unwavering commitment to quality. We understand that precision and reliability are critical in peptide research. All our products are rigorously analyzed using HPLC and mass spectrometry to ensure the highest standards.
If you encounter any quality issues, we offer substantial compensation along with prompt replacement or refund services, ensuring your peace of mind.
Dual GIP/GLP-1 receptor agonist for advanced metabolic research. Novel twincretin mechanism targeting…
Triple GLP-1/GIP/GCGR agonist — the most advanced multi-receptor metabolic peptide in research.
GLP-1 analog with C16 fatty acid conjugation for daily dosing metabolic research…
Gastric pentadecapeptide for tissue regeneration and protective signaling pathway research.
Thymosin beta-4 fragment for actin regulation, cell migration, and tissue repair research.
Copper tripeptide complex for collagen synthesis, wound healing, and anti-aging research.
For use in research, pharmaceuticals, and biotechnology. Customizable, with a production lead time of 1–3 weeks.
Contact Us NowCommonly used in laboratories and cosmetic product development. Delivered on time based on your required formulation and quantity.
Contact Us NowEach production batch is accompanied by a Certificate of Analysis, with analytical data provided to support quality verification.
We are factory direct sales — choose us to save intermediate links and bring you the maximum profit margin. Kerisite operates a dedicated peptide manufacturing facility integrating standardized synthesis, purification, lyophilization, and controlled storage systems.
Solid-phase & liquid-phase synthesis capabilities
Purity verification & molecular weight confirmation
Temperature-controlled storage & global logistics
Multi-instrument verification for every batch
Continuous innovation in synthesis and purification
Cold-chain logistics with professional packaging
We're not just a supplier — we're a research partner.
Source factory, no middleman. Maximum profit margin for you.
In-stock inventory for 100+ popular peptides from US & HK warehouses.
1-on-1 engineer support from inquiry to after-sales.
Full documentation, COA, and regulatory support for research-use materials.
High-quality peptide products with full-cycle exclusive support. 1-on-1 engineer support from inquiry to after-sales — peptide sourcing made effortless.
We have listed some questions you may ask. If you have more inquiries, you can send an inquiry to contact us.
Get premium research-grade peptides with complete documentation and worldwide delivery.