Everything you need to know before you order.

No. Every product on this site is sold strictly for in-vitro laboratory research use. Our products are not approved for human or veterinary consumption, in vivo diagnostic use, or therapeutic application. By purchasing, you confirm you are a qualified researcher or institutional buyer using these compounds in a controlled laboratory setting.

Orders placed before 2 PM Central Time on a business day ship the same day. Orders after 2 PM CT, on weekends or on US holidays ship the next business day. We use USPS Priority Mail for domestic shipments, with delivery typically in 2–3 business days. You’ll receive a tracking number by email as soon as your label is created.

Yes — all US orders over $100 ship free. Orders under $100 are a flat $10 shipping fee.

At this time we ship within the United States only. International researchers should contact us directly to discuss institutional purchasing arrangements.

All vials ship in discreet, plain-labeled boxes with no external branding indicating contents. Lyophilized peptides are protected with insulated padding. We do not ship with cold packs domestically as lyophilized peptides are stable at room temperature for the transit window.

Every batch we sell comes with an HPLC report from Janoshik Analytical, an independent third-party lab, commissioned at the source for that production lot. We publish the Janoshik task number and verification key for every batch on the product page and on our COA page. To confirm the report is real, go to janoshik.com/verify and enter the task number and key — Janoshik shows you the report from its own site, so there is nothing we could alter. Note that the client name on the report is the party that ordered the test, not Delix Labs. If you want to verify your own vial, any independent lab can test it; see our refund policy for what we do if a test comes back short.

If an independent lab test of an unopened vial from your order shows it does not match its labeled identity or falls materially below the purity on the published Janoshik report, we issue a full refund or free replacement, your choice, with no return needed. If a shipment is lost in transit we reship free. If it arrives damaged or with the wrong item, email us within 48 hours of delivery with photos and we replace it. Opened vials cannot be returned for general dissatisfaction, which is standard for sterile research material. Full terms are on our Refund & Return page.

Universities, research institutions and commercial labs can email support@delixlabs.com with their requirements for a quote and invoice. Requests for payment terms are considered case by case for established repeat customers.

Lyophilized peptides should be stored at -20 °C for long-term storage, or 2–8 °C for up to 90 days. Once reconstituted with bacteriostatic water, store at 2–8 °C and use within 30 days. Always protect from light. Specific storage notes for each compound are listed on the individual product page.

Use sterile bacteriostatic water (we sell 30 mL vials for $8). Insert a syringe through the BAC water stopper, withdraw the desired volume (typically 1–3 mL), and slowly inject it down the side of the peptide vial. Swirl gently — never shake — until fully dissolved. Refrigerate after reconstitution. Each product page includes the recommended reconstitution volume.

The Janoshik test date for every batch is listed on the product page and on our COA page, so you can see exactly how old a batch’s test is before you order. We rotate inventory and retire batches rather than selling aged stock, and lyophilized peptides stored cold are stable well beyond the time they spend with us.

Yes, automatic discounts apply at checkout: 5–9 vials of the same product save 10%, 10+ vials save 15%. Institutional buyers placing orders over $1,000 should email support@delixlabs.com for a custom quote.

Yes — use code WELCOME10 at checkout for 10% off your first order. One use per customer.

Email support@delixlabs.com for order-related questions (we reply within one business day, usually much faster), or use the contact form. We don’t use offshore call centers — every email is answered by someone on our small US team.