QSC manufactures and distributes research-grade peptides globally. Due to the sensitivity of lyophilized peptides — including cold storage requirements, contamination risk, and analytical validation — all sales are final and no refunds are issued. QSC provides free reshipment in verified cases of customs seizure. All products are sold strictly for laboratory research use only.
Last updated: April 2026
1. Peptide Quality Guarantee
All QSC peptides undergo rigorous analytical testing to confirm the stated purity specification (≥99% where listed), correct molecular weight and chemical identity, and batch-to-batch consistency. Certificates of Analysis (COAs) are published on every product page for transparency and batch verification, independently verifiable via the Janoshik portal.
2. All Sales Final — No Refunds
All sales are final. QSC does not offer refunds under any circumstances. Due to contamination and cold-chain sensitivity, peptides cannot be returned or refunded once an order has been placed and payment confirmed.
If your order is seized by customs, QSC provides free reshipment — see Section 6 below.
Damaged, Defective, or Incorrect Items
Must be reported within 7 days of delivery. Verified claims are resolved via replacement shipment at QSC’s discretion. Photo documentation and batch details are typically required. Refunds are not available — replacement only.
3. Non-Returnable Items
All products are non-returnable. This includes but is not limited to:
Custom peptide synthesis or made-to-order batches
Opened or reconstituted vials
Unopened vials and sealed products
Contaminated or improperly stored peptides
Products altered after delivery
Products used outside laboratory research designation
Peptides are highly sensitive biomaterials. Compromised items cannot be guaranteed for research validity and cannot be accepted for return.
4. Damaged Order Process
To report a damaged or incorrect order, email [email protected] within 7 days of delivery with your order number, product name, reason for the claim, and supporting documentation (photos or lab results if applicable). Verified claims are resolved via replacement shipment. No refunds are issued.
Email sent after payment confirms on the blockchain
📦
Tracking Email
Tracking info sent within 24–72 hours of dispatch
Orders are processed within 1–3 business days after cryptocurrency payment is confirmed on the blockchain.
Free Shipping
All QSC orders include free shipping from the nearest available warehouse. No minimum order. No additional charge for split shipments.
Region
Warehouse
Delivery
Customs
🇺🇸 United States
US Domestic
3–7 business days
None required
🇪🇺 European Union
EU Domestic
3–7 business days
None required
🇬🇧 United Kingdom
UK Domestic
3–7 business days
None required
🇨🇦 Canada
CA Domestic
3–7 business days
None required
🇦🇺 Australia
AU Domestic
3–7 business days
None required
🇸🇬 Singapore
SG Domestic
3–7 business days
None required
🇹🇭 Thailand
TH Domestic
3–7 business days
None required
🇻🇳 Vietnam
VN Domestic
3–7 business days
None required
🇨🇳 All other countries
China (Direct)
7–14 business days
Varies by country
Orders are fulfilled from the warehouse nearest to the delivery address based on inventory availability. If a product is not in stock at your regional warehouse, it will be fulfilled from QSC’s China manufacturing facility. If one item is available domestically and another is only stocked in China, you will receive separate tracking numbers and packages may arrive on different dates. All shipments are covered by QSC’s standard reshipment guarantee — no additional shipping charge applies to split shipments.
Tracking
Tracking information is emailed within 24–72 hours of dispatch and is also accessible via your account dashboard at qsc-usa.com. Track your order at: qsc-usa.com/track-order.
Warehouse
Tracking Coverage
What to Expect
🇺🇸 🇬🇧 🇪🇺 🇨🇦 🇦🇺 🇸🇬 🇹🇭 🇻🇳 Domestic
Carrier dispatch → final delivery
Standard local carrier tracking — updates normally from dispatch to delivery. No customs or international leg.
🇨🇳 China Warehouse
Warehouse dispatch → customs → final delivery
Local carrier tracking activates only after customs clearance at the destination country. No local carrier activity before that is completely normal. Full transit status visible on the QSC tracking page.
⚠️ China warehouse — why local carrier shows no activity: Your package travels through international transit before reaching your local carrier. Local carrier tracking will show no activity during this leg — this is completely normal and does not mean your package is lost. Use the QSC tracking page for full transit status. There is typically a 1–3 business day gap between customs clearance and when your local carrier begins scanning the package.
⚠️ Split shipments: If your order contains items from both a domestic warehouse and the China warehouse, you will receive separate tracking numbers. Packages may arrive on different dates — this is expected and does not indicate a problem with your order.
QSC is not responsible for carrier delays, customs inspections, or force majeure events beyond our control.
6. Reshipment Guarantee
QSC provides free reshipment — not refunds — in verified cases of:
Official customs seizure with documentation
Carrier-confirmed lost parcels
Verified non-delivery
Support must be contacted within 7 days of the expected delivery date. Provide your order number and documented proof of seizure or non-delivery to [email protected].
Reshipment Exclusions
The reshipment guarantee does not apply in cases involving an incorrect or incomplete shipping address, missing apartment/unit number or postal code, false recipient information, failure to collect a parcel from the carrier, or customer-requested delivery changes. Accurate shipping details are the customer’s sole responsibility.
7. Payments
QSC accepts Bitcoin (BTC) and USDT (ERC-20) cryptocurrency payments only. Customers are solely responsible for sending payment to the correct wallet address, paying the exact invoice amount, and completing payment within the allotted time window. Cryptocurrency transactions are irreversible — incorrect payments cannot be recovered.
8. Final Sales & Limitation of Liability
All sales are final. No refunds are issued under any circumstances. QSC offers free reshipment for verified customs seizures as described in Section 6. By placing an order, you acknowledge that:
Products are for laboratory research only
Products are not intended for human consumption, diagnosis, or therapeutic use
Responsibility for local regulatory compliance, proper storage, and handling rests with the purchaser
All sales are final and non-refundable
QSC’s maximum liability shall not exceed the cost of reshipping the order in dispute.
9. Policy Updates
This policy may be updated to reflect operational, technical, or regulatory changes. The latest version will always be published on this page.
