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Source Factory & No Middleman

Research-Grade Peptides for a Smarter, Healthier World

GMP-certified facilities delivering fully traceable custom and bulk peptides
Produced to strict ≥99% research-grade purity standards
Each batch undergoes lab spot-check testing, comes with a COA, and supports third-party verification
Dual warehouses in Hong Kong & the United States — fast, reliable, on-time delivery worldwide

Over 17 Years of Production Experience

Serving 25 Countries · High Repeat Purchase Rate · Proven Professional Expertise

Factory Direct Supply

Work directly with the manufacturer for consistent quality, flexible production capacity, and competitive wholesale pricing.

U.S. Warehouse

U.S. & Hong Kong Warehouse Support · Fast and Reliable Global Delivery

OEM & ODM Customization Services

Supports multiple specifications, custom formulations, packaging options, and private label services.

Professional Service Team

24/7 online support, ensuring fast and reliable pre-sales and after-sales service.

Quality Assurance

Our Commitment to Quality

We take immense pride in our unwavering commitment to quality. All our products are rigorously analyzed using HPLC and mass spectrometry.

Quality Promise & After-Sales Guarantee

If you encounter any quality issues, we offer substantial compensation along with prompt replacement or refund services, ensuring your peace of mind.

  • Every batch verified by HPLC and mass spectrometry
  • Detailed COA included with every order
  • Purity ≥99% — our baseline, not our ceiling
  • Third-party testing available on request
  • Prompt replacement or refund for quality issues
  • HPLC Testing
    Lab Equipment
    Product Catalog

    Diverse Peptide Range

    View Full Catalog →
    KLOW

    KLOW

    GLOW

    GLOW

    Tirz

    Tirz

    Reta

    Reta

    GHK-Cu

    GHK-Cu

    Glutathione

    Glutathione

    MOTS-C

    MOTS-C

    CJC1295 DAC

    CJC1295 DAC

    Peptide Raw Materials

    For use in research, pharmaceuticals, and biotechnology.

    Contact Us Now

    Custom Peptides

    Commonly used in laboratories and cosmetic product development.

    Contact Us Now
    Quality Verified

    Our Certified Testing Reports

    Each production batch is accompanied by a Certificate of Analysis.

    View More Testing Reports →
    Why Kerisite

    Transforming peptide sourcing into a reliable, transparent process

    We're not just a supplier — we're a research partner.

    • Factory-direct production with scalable bulk capacity
    • Standardized processes with third-party testing support
    • Dual warehouses in HK & US for faster delivery

    Custom Solutions

    Flexible specs and packaging tailored to your needs

    Wholesale Advantage

    Factory-direct pricing for distributors and partners

    Research-Grade Standard

    Focused on consistency for research applications

    Responsive Support

    Fast replies from a dedicated service team

    Our Team

    Our Service Team

    1-on-1 engineer support from inquiry to after-sales — peptide sourcing made effortless.

    Cathy

    Cathy

    Sales Engineer
    Blue

    Blue

    Sales Engineer
    Molly

    Molly

    Sales Engineer
    Selena

    Selena

    Sales Manager
    Xinyue

    Xinyue

    Sales Engineer
    Elena

    Elena

    Sales Engineer
    Yoyo

    Yoyo

    Sales Engineer
    Fraud Prevention

    Verify Our Employee

    Enter the employee's email or WhatsApp number to confirm they represent us.

    Testimonials

    Customer Testimonials

    Common Questions

    Most Popular Questions

    We have listed some questions you may ask.

    Custom peptides, research-grade peptides, cosmetic peptides, lyophilized powders and raw materials.
    ≥99%, with detailed COA for each batch.
    Multiple U.S.-based warehouses and Hong Kong warehouse.
    Yes. We ship to over 35 countries with full order tracking.
    Bitcoin, USDT, USDC, ETH, Bank transfer (T/T), Wise.
    US warehouse: next day, 3-5 days delivery. HK warehouse: 3 days, 7-20 days. Custom: 2-4 weeks.
    Yes. Every batch includes a full COA with HPLC and MS data. Third-party testing also available.
    Yes. We offer OEM/ODM services for peptide raw materials and custom formulations.
    MOQ depends on product type. Standard peptides have flexible MOQ. Contact us for custom synthesis.
    We provide tracking numbers and logistics updates via email after shipping. Contact your sales engineer anytime.
    Payment Methods

    Flexible, secure payment options

    T/T
    PayPal
    Alipay
    Crypto
    Visa
    Partnership

    Distributor Program

    As our distribution partner, you will receive comprehensive support: Reliable supply chain assurance and professional guidance to help solve challenges, expand your business, and achieve long-term success.

    Stable supply chain guarantee
    Professional market guidance
    Competitive wholesale pricing
    Dedicated partner support
    Become a Partner →

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