Frequently Asked Questions

Peptides are widely used in chemical and biochemical research and play a critical role in a broad range of experimental applications. These include protein purification, protein modification, and diverse interaction studies essential to advancing scientific understanding.

Yes. Each batch is laboratory tested for purity in the United States prior to distribution. Test results are periodically published on our website for transparency. We carefully source and work exclusively with high-quality ingredients and materials to ensure consistent standards across all products. Customers may also choose to independently verify their product at any licensed HPLC testing facility. If any product fails to meet stated purity standards, we will provide a full refund, including shipping costs.

We charge a flat-rate shipping fee of $10.99 on most orders, provided the number of products fits within our Priority Mail box standards. Orders over $250 qualify for FREE shipping within the United States. Expedited shipping is available via UPS (estimated delivery: 1-5 business days after payment clearance). All orders include shipping, handling, and guaranteed tracking within the USA. Orders are typically prepared for shipment within 24 hours of cleared payment.

While courier delivery issues are outside our direct control, we recommend first checking your property thoroughly, as carriers may leave packages in discreet locations. If your local carrier is unable to assist, please contact us at support@synprolabs.com. We will initiate a lost package claim with the courier. A signed statement confirming non-receipt will be required. Most domestic carriers consider a package officially lost after 21 business days in transit.

Orders ship from our facility six days a week, Monday through Saturday, excluding holidays. If you need to update your shipping address, please contact us before your order is shipped. To request an address update, email support@synprolabs.com with your name, order number, and corrected address. Once an order has shipped, we are unable to make changes to the delivery address.

We value your privacy. All orders are shipped in standard USPS or UPS packaging with no indication of the contents on the exterior. Our shipping process is fast, secure, and Professional, ensuring your order arrives safely and confidentially.

All orders are securely packed and shipped from our U.S.-based facility in Fort Lauderdale, FL.

We offer purchasing options along with a variety of discounts. For more details, please contact us at support@synprolabs.com.

You can reach our team by email at support@synprolabs.com or by phone at (754) 666-2155. Call or text for faster response. We are available Monday through Friday, 8:00 AM to 6:00 PM EST.