Orders are typically dispatched the same day once payment is confirmed. In some cases, shipments may arrive as soon as the following day, depending on the delivery location. All products ship from Ontario, Canada, with UPS as our primary courier.

Yes. Tracking details are automatically sent once your order has been packaged and dispatched, allowing you to monitor delivery progress in real time.

All orders are final sale because our research products have strict safety, storage, and handling requirements. Once an item leaves our controlled environment, we cannot verify how it was stored, transported, opened, or handled.

For the safety of all customers, returned products cannot be accepted, restocked, or resold. This policy helps protect product integrity and ensures every customer receives items that have remained within our verified handling process.

If your order arrives damaged, incorrect, or you experience a product quality concern, please contact our support team right away with your order number and clear photos so we can review the issue promptly.

Lyophilized peptides should be stored in a cool, dry environment away from heat and direct light. Once reconstituted, refrigeration is recommended to maintain stability and product integrity.

At Peptide Stacks, product quality is our highest priority. Our products are sourced from trusted manufacturing partners and undergo independent third-party laboratory testing for purity and consistency.

We are committed to providing reliable research compounds with transparency, quality assurance, and strict handling standards from production to delivery.