Shipping policy

We currently ship to U.S. addresses only.

Orders placed before 2:00 PM Eastern Time, Monday through Friday, ship the same day via 2nd Day Air. Orders outside the cutoff are not guaranteed to ship the same day.

Orders shipping to a PO Box are delivered by USPS. UPS and FedEx do not deliver to PO Boxes, so USPS delivery timeframes apply to these orders.

Address accuracy

• Double-check your shipping address during checkout.
• We are not responsible for delivery issues due to incorrect or incomplete addresses.

Carrier delays

Calibration Peptides is not responsible for shipping delays caused by:

• Weather
• Carrier issues
• Other factors beyond our control

Delivery confirmation

• If tracking shows your package as delivered but not received, contact the carrier.
• We are happy to assist with filing a claim but are not liable for lost or stolen packages after delivery is confirmed.

Shipping issues

In the event of a shipping-related issue, such as delay, misdelivery, or loss, Calibration Peptides can reship your package seven business days after the original scheduled delivery date, andonce we receive confirmation from the shipping carrier regarding the status of your original order. We appreciate your understanding as we work with our shipping partners to ensure your order arrives as quickly and safely as possible.

Refund policy

At Calibration Peptides, we are committed to delivering top-quality research peptides. If you are not satisfied with your purchase, we offer a 30-day refund guarantee under the following conditions:

Eligibility

• Product must be unopened, unused, and in original condition.
• Opened products are not eligible for refund unless approved on a case-by-case basis.

Refund requests

• Must be submitted within 30 days of the purchase date.
• Requests beyond 30 days are not eligible.

How to request a refund

1. Email [email protected].
2. Include your order number and a description of the issue. We will provide return instructions once your request is received.

Return shipping

• Customers are responsible for return shipping costs.
• Use a trackable shipping method to ensure safe return.

Refund processing

• Refunds are issued to the original payment method after inspection.
• Please allow a few business days for the refund to reflect in your account.

See also: Refund Policy

Order cancellations or modifications

• Orders can be modified or canceled within 30 minutes of purchase.
• After 30 minutes or once shipped, orders cannot be changed or canceled.