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Shipping & delivery

How and when your research materials arrive, and how we protect them in transit.

Last updated July 2026

Dispatch times

In-stock orders placed before 2:00 PM ET on a business day are dispatched the same day. Orders placed after the cutoff, or on weekends and holidays, ship the next business day. You'll receive tracking by email as soon as the label is generated.

Rates & free shipping

  • Flat-rate tracked domestic shipping is calculated at checkout.
  • Orders over $200 ship free.
  • Expedited options (2-day / overnight) are available at checkout where the carrier supports it.

Cold-chain & packaging

Lyophilized (freeze-dried) peptides are stable at ambient temperature for the short transit window, but we still ship in insulated, temperature-aware packaging and, where appropriate, with cold packs. Reconstitution is intended only after delivery, following the storage guidance on each product page.

Domestic delivery windows

  • Standard tracked: 2–5 business days after dispatch.
  • Expedited: 1–2 business days after dispatch.
  • Delivery estimates are carrier-dependent and exclude any customs or weather delays.

Order tracking & issues

Every shipment includes tracking. If a package is delayed, shows as delivered but not received, or arrives damaged, contact support@progradepeptides.com within 7 days of the delivery scan and we will make it right — see the returns policy.

Address accuracy

Please confirm your shipping address at checkout. We are not able to reroute a package once it has been handed to the carrier, and reshipments to corrected addresses may incur a new shipping charge.

Research Use Only

All ProGrade Peptides products are sold strictly for laboratory and research use. They are not drugs, foods, cosmetics, or supplements, and are not intended to diagnose, treat, cure, or prevent any disease, nor for human or veterinary consumption. Purchasers confirm they are qualified researchers aged 21 or older.