Questions? Answers.
No. All products sold by PEPTIDE LINQ are strictly for laboratory and research use only. They are not intended for human or animal consumption and are not approved by the FDA or any regulatory agency for therapeutic use.
Yes. Every product ships with a third-party certificate of analysis (COA) verifying purity, identity, weight content, sterility, and endotoxin levels. COAs are available to download on each product page.
We offer free shipping on all orders. Orders placed before 1PM EST ship same day. All peptides are shipped in insulated packaging with cooling packs to maintain compound integrity during transit.
Currently we ship within the United States only. International shipping is not available at this time.
We accept all major credit and debit cards via our secure checkout. All transactions are encrypted and processed securely.
Lyophilized peptides should be stored at −20°C for long-term stability. Once reconstituted, store at 4°C and use within 30 days. Avoid repeated freeze-thaw cycles. All products ship with cold packs to maintain the cold chain during transit.
All compounds in our catalog are ≥98% purity as confirmed by HPLC analysis. Third-party certificates of analysis are published for every product and batch number.
Due to the nature of research compounds and cold-chain requirements, we accept returns only for products that arrive damaged or materially different from what was ordered. Claims must be submitted within 7 days of delivery with supporting photos.
Legal Disclaimer: PEPTIDE LINQ products are sold exclusively for in vitro research, scientific study, and laboratory use by qualified researchers. Our peptides are not drugs, supplements, or food products. They are not intended to diagnose, treat, cure, or prevent any disease or condition. All purchases constitute the buyer's agreement that the compounds will be used solely for lawful research purposes.