Shipping Policy
Last Updated: October 9, 2026
Delivery Guarantee
Delivered within 5 business days or receive a $50 Creston Credit.
Orders shipped to an eligible US address are guaranteed to be delivered within 5 business days of payment confirmation (weekends and US holidays don't count). If your order arrives later than that, we'll add a $50 Creston Credit to your account (up to the value of your order). There's nothing to claim: we review qualifying late orders automatically and email you when your credit is added.
What the guarantee doesn't cover
International orders, local delivery, and local pickup
Pre-order, backorder, and group-buy items, which may have their own timelines
Delays caused by an incorrect or incomplete address, refused deliveries, or failed delivery attempts
Orders where payment hasn't been confirmed (the clock starts when we confirm payment)
Creston Credit can be applied at checkout on a future eligible order, subject to applicable terms.
Shipping Methods & Rates
Creston Peptides offers available shipping options based on destination and service availability. Rates are calculated at checkout based on your location and the service you choose. Qualifying orders may receive free shipping; details will appear at checkout.
Standard Shipping:
3–5 business days
2-Day Shipping: 2 business days
Overnight Shipping: 1 business dayEstimated delivery times begin once your order ships.
The delivery guarantee, where applicable, covers the total time from payment confirmation.
Processing Time
Orders are typically processed within 1–2 business days. Orders confirmed on weekends or holidays are processed on the next business day.
Processing times may be extended during high-volume periods. Where the delivery guarantee applies, processing time is included in the 5-business-day period.
Domestic Shipping
Creston Peptides ships to supported destinations within the United States, subject to product eligibility and applicable restrictions.Where temperature-controlled shipping is offered, products may be shipped with appropriate cooling materials to help maintain product integrity.
Important: P.O. box delivery may not be available for temperature-sensitive products. A physical street address may be required, depending on the product and carrier.
International Shipping
Creston Peptides may ship internationally to selected countries, subject to product eligibility, carrier availability, and applicable regulations. International shipping rates are calculated at checkout based on destination and service level. The delivery guarantee does not apply to international orders unless explicitly stated otherwise.
Available Countries
International shipping availability and delivery estimates must be confirmed at checkout or with our support team before ordering.
Americas & Oceania
Canada (estimated 5–10 days, where available)
Mexico (estimated 7–14 days, where available)
Australia (estimated 10–18 days, where available)
New Zealand (estimated 10–18 days, where available)
Europe
United Kingdom (estimated 7–14 days, where available)
Germany (estimated 7–14 days, where available)
France (estimated 7–14 days, where available)
Netherlands, Belgium, Austria, Ireland, Sweden, Denmark, Switzerland, and Norway (estimated 7–14 days, where available)
Asia & Middle East
Japan (estimated 10–18 days, where available)
South Korea (estimated 10–18 days, where available)
Singapore (estimated 10–18 days, where available)
Israel (estimated 10–18 days, where available)
These are indicative estimates, not guaranteed delivery times. Please confirm country eligibility before placing an order.
Customs, Duties & Taxes
International shipments may be sent under DDU (Delivery Duty Unpaid) terms where applicable. The customer is responsible for import duties, taxes, customs fees, and other charges imposed by the destination country, unless otherwise stated at checkout.
These charges are generally separate from the order total and may be collected by local customs authorities or the carrier before or upon delivery.
Customer Responsibility
You must ensure that research peptides are legal to import into your country and jurisdiction.
Shipments may be delayed, seized, or returned by customs authorities.
Customs-related refunds or replacements will be handled in accordance with our applicable policies and relevant law.
Products designated for research and laboratory use are not intended for human consumption.
International Cold Chain Packaging
Where temperature-controlled international shipping is offered, insulated packaging and suitable cooling materials may be used according to the product and shipping service.
Express shipping may help reduce transit time, but customs inspections and other delays can still occur. No specific temperature condition or transit outcome is guaranteed unless expressly confirmed.
Shipping Restrictions: Certain destinations may be unavailable because of import regulations, carrier restrictions, or product-specific requirements. Confirm availability before ordering.
Order Tracking
Once your order ships, you'll receive a tracking number by email when tracking is available. You can track your shipment using the number on the carrier's website.
If you don't receive tracking information within 3 business days of dispatch, please contact our support team through the contact information listed on our website.Delivery Issues
Late deliveries: Qualifying orders are handled according to the Delivery Guarantee terms above.
Lost or missing packages: If tracking indicates that your package is lost or it hasn't arrived as expected, contact our support team for assistance with the carrier investigation. Any package coverage or shipping insurance applies only where offered and confirmed for your order.
Damaged or incorrect products: Contact our support team promptly with your order number and photographs, where available. Please see our Return & Refund Policy for applicable terms.
Incorrect address: Customers are responsible for providing accurate shipping information. Address changes cannot be guaranteed after dispatch.
Temperature-Sensitive Products
Products that require temperature-controlled storage must be handled according to the instructions supplied with the specific product. Packaging and cooling arrangements depend on the product and shipping service offered.
Storage Instructions: Upon receipt, follow the storage conditions indicated on the product label or accompanying documentation. Refrigeration (2–8°C) or freezing (-20°C) should be used only when specified for the particular product.
If a package arrives damaged or there are concerns about product condition, contact our support team before use.
Refused or Undeliverable Packages
If a package is refused or returned as undeliverable due to an incorrect address provided by the customer or unsuccessful delivery attempts, the customer may be responsible for:Original shipping costsReturn shipping costsReshipping costs, if applicable
Any charges will be applied in accordance with the terms disclosed at checkout and applicable law.
Contact Information
For shipping questions or concerns, please contact Creston Peptides through the contact information published on our official website.When contacting our support team, please include your order number and tracking details, if available.
Creston Peptides — Thank you for choosing us.
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