KYIN PEPTIDE supplies research peptides in standardized kits from two dedicated warehouses — a China warehouse with worldwide shipping, and a US warehouse for domestic US delivery. Clear product information, transparent pricing and a simple quote process.
Select the warehouse that matches your location. Each warehouse page shows its own product catalog, pricing and shipping terms.
Full peptide catalog with worldwide shipping. Ideal for international buyers and distributors.
Browse China Products →Domestic US shipping only. This inventory is dispatched from our United States warehouse and can only be shipped to addresses within the United States.
Browse US Products →Factory-structured supply for repeat purchasing, cleaner local resale and more predictable margin control.
Products move directly from production to shipment with no extra reseller layer — a cleaner sourcing path and more stable batch consistency.
Supply is organized in standard 10-vial kits matching upstream distribution logic — stronger batch consistency, cleaner stock planning and smoother repeat orders.
Pricing reflects production, packaging, logistics and risk handling — more room for local pricing strategy and repeat business.
Every production batch is quality-controlled and lot-traceable. Product documentation is available on request.
Each batch is quality-controlled with clear lot identification, so stock and documentation can be traced back precisely.
Relevant quality and specification documentation is available for approved customers — contact our team for details.
Production follows strict pharmaceutical-grade process controls with standardized research-grade specification.
Clear terms, discreet packaging and responsive support at every step of your order.
Orders are packed discreetly and handled with care through dispatch, tracking and final delivery.
Questions answered quickly on WhatsApp and email before, during and after your order.
Product prices and fixed warehouse shipping fees are shown clearly — no hidden charges at quote or dispatch.
Practical resources to make product selection and ordering straightforward.
Use the search bar on each warehouse page to find a product by SKU or name — e.g. SM10, TR5, RT20.
Every product lists its specification per kit — e.g. "10mg x 10 vials" — so you can match the exact research grade you need.
Self-service shipment tracking powered by 17TRACK — enter your tracking number and follow your parcel in real time.
Track a shipment →Short SKU codes identify every product — e.g. SM = Semaglutide, TR = Tirzepatide, RT = Retatrutide, followed by the mg strength.
China warehouse: worldwide, $80.00 per order. US warehouse: domestic US only, $30.00 per order.
This website does not support direct checkout. Your cart and details are sent to our team on WhatsApp, who will confirm availability and pricing.
Open the China or US warehouse page that matches your delivery location.
Browse the catalog, use search or category filters, and add the kits you need.
Open the cart, tap "Get Quote", and fill in your name and contact information.
Your cart and details are compiled into a message and opened in WhatsApp — our team replies with a quote.
Our team responds on WhatsApp, Telegram and email. Send your inquiry directly, or use the form and it opens WhatsApp or Telegram with your message ready to send.