Shipping & Policies
Fast, secure delivery of research-grade peptides with temperature-controlled packaging.
Domestic Shipping
All orders within the United States ship via USPS Priority Mail with full tracking. Orders placed before 2 PM EST ship same day. Free shipping on orders over $200.
Packaging
All peptides are shipped in temperature-controlled packaging with cold packs during warmer months. Products arrive in lyophilized (powder) form for maximum stability during transit.
Guarantee
Every order is backed by our quality guarantee. If your product arrives damaged or does not meet our stated purity specifications, we will replace it at no additional cost.
Shipping Rates & Timeframes
| Method | Estimated Delivery | Cost |
|---|---|---|
| USPS Priority Mail | 2–3 business days | $9.95 (Free over $200) |
| USPS Express Mail | 1–2 business days | $24.95 |
| UPS Ground | 3–5 business days | $12.95 |
| UPS Next Day Air | 1 business day | $34.95 |
Returns & Refund Policy
| Situation | Policy | Action |
|---|---|---|
| Damaged in transit | Full replacement at no charge | Contact within 48 hours of delivery |
| Incorrect item received | Full replacement + return label provided | Contact within 72 hours of delivery |
| Purity below specification | Full refund or replacement | Submit third-party test results |
| Change of mind | Store credit (unopened, sealed only) | Contact within 14 days, return at buyer's expense |
Research Use Disclaimer
All products sold by Ai-PEPTIDES are intended for laboratory research purposes only. They are not intended for human consumption, veterinary use, or household use. By purchasing, you confirm these products will be used solely for research.
Privacy Policy
We respect your privacy and protect your personal information. We never sell or share customer data with third parties. All transactions are encrypted with SSL technology for maximum security.
Storage Recommendations
Upon receipt, store peptides at -20°C for long-term storage or 2–8°C for short-term use. Reconstituted peptides should be used within 30 days and stored refrigerated.