All of our peptides are manufactured to a minimum purity of >99%, verified through HPLC and mass spectrometry analysis. Each product ships with a certificate of analysis detailing exact purity levels.

A Certificate of Analysis (CoA) is a document provided with each product that details the results of quality testing. It includes purity percentage, molecular weight confirmation, and any impurity profiles. You can use it to verify the identity and quality of your peptide.

Bacteriostatic water is sterile water that contains 0.9% benzyl alcohol as a preservative. It inhibits bacterial growth, making it ideal for reconstituting peptides, extending the usable life of the solution.

Lyophilized (freeze-dried) peptides should be stored at -20°C for long-term storage or at 2-8°C for short-term storage. Keep them in a cool, dry place away from direct sunlight and moisture.

Orders are typically processed within 1-2 business days. Lyophilized peptides are stable at room temperature during transit, so cold shipping is generally not required. However, cold shipping options are available upon request for reconstituted products.

Yes, we offer international shipping to most countries. Shipping times and costs vary by destination. Please check our shipping policy for specific details regarding your region.

SKO Compounds is a trusted supplier of high-purity research peptides, committed to quality, transparency, and customer satisfaction. All products undergo rigorous third-party testing and come with full certificates of analysis.

Our peptides are sold strictly for research purposes only and are not intended for human consumption. All products are clearly labeled as research chemicals and should be handled accordingly.

All sales are final. We do not offer refunds or accept returns for any reason, including ordering errors or change of mind. However, if your order arrives damaged, defective, or incorrect, notify us within 48 hours via our live chat (bubble in the bottom-right corner) with detailed photos. We may offer a replacement. Refunds are only considered in rare cases where the order was never delivered due to an error on our part.

You can reach our support team via the live chat bubble in the bottom-right corner of any page, through our website contact form, or on our Discord community. We aim to respond to all inquiries within 24-48 business hours.