No. KYZEN is available to anyone 18 and older. We don’t require a license or professional credentials. Our compounds are research-use-only, and customers are responsible for using them in accordance with local laws and regulations.

Research-use-only (RUO) means our compounds are manufactured and sold for laboratory, educational, and research purposes only—not for human consumption or therapeutic use. They have not been evaluated by the FDA for safety or efficacy in humans. Users are responsible for all aspects of use and compliance with local regulations.

Sign up on our website with an email and password. You’ll receive a confirmation email and can start shopping immediately. No approval process needed. Your account gives you access to order history, saved addresses, and a dashboard to track shipments in real-time.

Yes. We use industry-standard SSL encryption and PCI-DSS compliance for all transactions. We don’t store credit card information on our servers—payment processing is handled by our secure payment gateway. Your data is protected with 256-bit encryption.

Every Certificate of Analysis includes HPLC purity verification, molecular weight confirmation, water content testing, and endotoxin screening. Results are from accredited third-party labs (ISO/IEC 17025). COAs are included in every shipment and downloadable from your account portal.

Our catalog compounds are tested for ≥99% HPLC purity. Most exceed 99.5%. Each batch is independently tested before shipment. Purity specifications are listed on every product page and confirmed via COA. This is research-grade quality—what academic labs use in studies.

Lyophilized peptides are stable for 24 months from manufacturing when stored at 2-8°C in the original sealed vial. Reconstituted solutions are stable for 4 weeks refrigerated (2-8°C) or 2 weeks at room temperature. Store away from light and heat. Longer shelf life available with specialized storage solutions.

Absolutely. Every product page includes the full COA with all analytical data. No proprietary testing—you see exactly what we see. If you have questions about the data, our support team can walk you through it. We believe transparency builds trust.

Our peptides are synthesized by accredited manufacturers using established protocols. All precursors meet pharmaceutical-grade standards. Sourcing details are available on request. We maintain full chain-of-custody documentation from synthesis through fulfillment.

Orders placed before 2pm EST ship within 48 hours. Standard shipping (5-10 days) is free over $150. Expedited (2-3 days, $15) and overnight ($35) are available. Every shipment includes tracking and real-time temperature monitoring.

Yes—free standard shipping on orders over $150. Smaller orders have a flat $8 shipping fee. Expedited and overnight options available at checkout for additional fees ($15 and $35 respectively). All shipping includes insulated packaging and temperature monitoring.

All shipments arrive in insulated packaging with temperature-controlled cold packs. Peptides are sealed under nitrogen to prevent oxidation. Each vial is individually labeled with lot number and batch information. Packaging maintains 2-8°C throughout transit.

Yes. After shipment, you’ll receive a tracking number via email. Track your package in your KYZEN account or through the carrier. Real-time temperature monitoring updates are sent hourly. You’ll be notified immediately if any temperature excursions occur.

Currently, KYZEN ships to US addresses only. International orders are not available at this time. We’re exploring international partnerships and regulatory pathways—sign up for our mailing list to be notified when we expand.

Items can be returned within 14 days of delivery if unopened and in original packaging. Return shipping is free if the issue is our error (wrong item, damaged packaging, temperature excursion). Otherwise, you cover return shipping. Refunds are issued within 3 business days of receiving the return.

If your package arrives with broken packaging or temperature excursions detected, contact us within 24 hours with photos. We’ll replace your order free of charge and cover return shipping. If compounds are damaged due to handling after receipt, standard return policies apply.

If received compounds fail to meet specifications on the COA, we replace the entire order free of charge. Return shipping is free. This is our quality guarantee—if it doesn’t match our testing, we make it right. Contact us immediately with COA details if you spot any discrepancies.

KYZEN compounds are pharmaceutical-grade research chemicals. They have not been tested for human safety or efficacy. We provide compounds with rigorous purity and identity verification. How they’re used—and any associated risks—is the responsibility of the user. Always consult relevant research before use.

Yes. Our compounds are suitable for academic research, laboratory testing, and educational purposes. They meet the purity and quality standards used in published research. If you’re conducting formal research, we provide all documentation and sourcing information needed for your IRB or institutional approval.

KYZEN products are for research, educational, and analytical purposes only—not for human consumption. Use must comply with all local, state, and federal laws. You’re responsible for ensuring legal and ethical use. We cannot advise on personal use or medical applications.

Yes. We provide complete sourcing, purity, and testing documentation for research use. If you’re publishing or submitting to institutional review, all COAs and analytical data are available. Contact our support team for research-specific documentation needs.