Frequently Asked Questions

Peptides are short chains of amino acids. They are studied in laboratory settings for their role in cellular signalling. Our guide to peptides explains how research peptides are made and described.

No. All products sold by Horizon Peptides are intended strictly for laboratory research use and are not for human or veterinary consumption.

No. We provide general handling and storage information for laboratory materials only. We do not provide dosing information, protocols or any guidance on administration to people or animals.

Batch documents are published on the Lab Results page as they become available. Not every batch has a published document. To ask about a specific product or batch, use the contact page.

Lyophilized vials, nasal sprays, capsules, premixed pens and creams, plus laboratory supplies: bacteriostatic water, syringes and alcohol wipes. Each product page states its format, sizes and pack options.

Vials may be split or combined to match the total amount purchased. For example, a 10mg order may be fulfilled as two 5mg vials.

Products are sold for research purposes in Canada. Buyers are responsible for ensuring compliance with the laws that apply to them.

The payment methods available for your order are shown at checkout.

Every order is placed on the basis that the materials are for laboratory research use only. The confirmation at checkout records that you have read and accepted this.

An order can only be changed or cancelled before it enters fulfilment. Once payment has been accepted and the order is being processed it is final, even if it has not yet left our facility.

We do not accept pre-orders. Out-of-stock items can be ordered again once they are restocked.

Orders placed separately cannot be combined once payment has been processed.

Some products may have quantity restrictions to ensure stock availability.

Yes. Pricing is available for volume and recurring orders. See the wholesale page or send us a message with what you need.

Orders ship from within Canada, Monday to Friday. Orders placed before 2:00 PM ET typically ship the same business day.

Yes. Free Express shipping is applied automatically on orders over $300. No code is needed.

Transit times within Canada are typically 2 to 10 business days. Carrier estimates are usually accurate but are not guaranteed.

We currently ship within Canada only.

You will receive a tracking link by email once your order ships. Tracking may show "label created" until the carrier has collected and scanned the parcel.

You can place an order at any time. Orders are packed and shipped on business days only.

If tracking does not show delivery, contact us and we will help file an inquiry with the carrier. A refund or replacement is only issued once the carrier has confirmed the parcel is lost.

Customers are responsible for entering an accurate delivery address. A parcel returned because of an address problem can be reshipped once the return and reship fees are paid.

Our guide to peptides, parcels and Canadian winters explains what cold does and does not do, by format.

Lyophilized powder should be kept sealed in a cool, dry place away from light, or refrigerated. The storage guide covers this in more detail.

Some are. Keep lyophilized powders in their original packaging, away from direct sunlight.

Yes. Lyophilized material can be frozen for extended storage.

Most research-grade peptides are not sterile unless explicitly stated. Use proper laboratory technique when handling them.

Dispose of materials according to your laboratory's waste procedures. Never pour chemicals down a household drain.

Because of the nature of research materials, all sales are final. See the full return policy.

Contact us within 72 hours of delivery with your order number, a description of the issue and clear photos of the product and packaging. Claims are reviewed case by case.

No. Returns for a change of mind are not accepted.

Use the contact page. Include your order number if you have one.