Tirz
Multiple research specifications
Lilly Peptide SourceResearch sourcing, made easier to verify
Request current wholesale pricing, COA documentation and destination-specific shipping information without a long form.

Independent testing of order samples is supported.
Popular research products
Tap any product image to review specifications, documentation support and wholesale inquiry options. The full catalog includes more than 100 research products.
Multiple research specifications
10 mg–100 mg research range
Research formulation · 80 mg
Research blend · 70 mg
Multiple research specifications
Research-grade supply
Built around the buyer
Start with product availability, quality documentation and the shipping route. Continue in the app you already use—without creating another account.
Review available quality references and request testing information before scaling.
Clear packing, dispatch and tracking information for every confirmed order.
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Quality you can examine
Make decisions using available documentation, clear specifications and your own independent verification when required.
Inside our production facility
A continuous walkthrough of our controlled production and packing environment—from cleanroom entry to automated vial handling, inspection and order preparation.
From confirmation to delivery
We confirm availability, prepare the order, share tracking information and remain available after dispatch.
Product, specification, quantity and destination.
Quality check and protective packing before dispatch.
Shipping updates and destination-specific support.

Customer order feedback
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Original customer footage
This 53-second delivery video is presented exactly as received from the customer, including the original video, on-screen text and audio.
Choose the easiest way to continue
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Buyer questions
Every batch goes through two stages of quality control: raw-material testing before production and finished-product testing after production. Products are typically supplied to a ≥99% purity specification. Available COA documentation can be provided, and independent third-party testing of actual order samples is supported.
Yes. Orders are prepared at our China-based production and supply facility, and we arrange international delivery worldwide. Duty-paid, customs-cleared routes are available for North America, the United Kingdom, Europe and Australia. In a small number of destinations, the recipient may need to assist with customs clearance.
If a shipment is detained by customs, we will arrange a free replacement shipment in accordance with our shipping guarantee.
We support major international payment methods. Available options are confirmed with each quotation, and all orders are settled in U.S. dollars (USD).
Yes. Custom product specifications, packaging and private-label solutions are available for qualified wholesale and research requirements. Feasibility, minimum order quantity and lead time are confirmed before production.
Yes. We welcome qualified distributors, wholesalers and regional partners. Contact us for the current catalog, wholesale pricing, minimum order quantity and partnership support.
If WhatsApp, Facebook or Telegram is temporarily unavailable, leave a message through this website. Your inquiry is saved directly to our support dashboard and does not depend on any social app. You can also email our support team. Include your inquiry or order reference and preferred contact method so we can reconnect.
Orders are generally dispatched within 48 hours after payment. Estimated delivery is 7–10 business days. Delivery to Australia typically takes 10–13 days. Transit times may vary by destination and customs procedures.