FREQUENTLY ASKED QUESTIONS • CANADIAN RESEARCH LABS
FAQ: Peptide Ordering, Shipping & Quality in Canada
Find fast answers to common questions regarding domestic Canadian shipping, third-party HPLC verification, cold-chain packaging, and order processing at Durham Peptides.
What is the purity level of your research peptides? +
Every peptide batch undergoes independent third-party High-Performance Liquid Chromatography (HPLC) and Mass Spectrometry (MS) analysis to guarantee purity exceeding 99%. Individual batch Certificates of Analysis (COA) are available for all research compounds upon request.
How fast is domestic shipping across Canada? +
All orders are dispatched domestically from within Canada via Canada Post Xpresspost. Delivery takes 1–3 business days nationwide. Orders placed before our daily cutoff (3:00 PM EST) ship the same business day with end-to-end tracking provided immediately.
Do you offer Free Shipping on qualifying orders? +
Yes. All domestic orders over 00 CAD qualify automatically for Free Canada Post Xpresspost shipping. Orders under 00 CAD ship at a flat rate of 0 CAD.
How should research peptides be stored upon receipt? +
Lyophilized peptide vials should be kept sealed and stored at -20°C for long-term viability (up to 24 months) or 2°C–8°C for medium-term storage. Once reconstituted with sterile bacteriostatic water, store between 2°C–8°C away from direct light and use within 30 days. Avoid repeated freeze-thaw cycles.
Are Durham Peptides products approved for human use? +
No. All products sold by Durham Peptides are laboratory reagents exclusively for in vitro scientific research, educational development, and analytical laboratory testing. They are not drugs, food products, cosmetics, or natural health products, and are strictly not for human or veterinary administration.
What payment methods are accepted? +
We accept Interac e-Transfer for Canadian researchers, providing instant confirmation and discreet order processing. All payments are encrypted and processed securely.