Published COAs
Open lot files for available products and sizes.
Research catalog access
This catalog is intended for qualified researchers age 21 and older. Materials are for laboratory research and identification purposes only.
Quality-sourced research peptides for laboratory use — third-party tested when documentation is available, clear sizing, secure checkout, and domestic U.S. shipping.
Featured peptides
Full-bleed branded vials with clear sizing and multi-vial savings.
About Skyline
A documentation-first catalog: chemical identity, size options, and lot certificates when available — without reconstitution kits or lifestyle claims.
Learn moreQuality framework
Lot reports confirm the compound identity for the batch on file.
Purity values published on certificates when provided for the lot.
Measured content listed where available for labeled amounts.
Select a vial size on product pages to view the matching COA.
FAQ
Open the COA Library. On product pages, select a size to view the matching lot certificate when published.
Yes — free FedEx 2-Day shipping on U.S. orders $300 and above.
Yes. Orders of 4–9 vials receive 5% off. Orders of 10 or more vials receive 10% off unit prices.
Contact support with your order number and photos of packaging and contents. We will resolve under our shipping policy.
Unused, unopened products may be returned within 14 days for store credit (shipping excluded), subject to policy terms.
Documented quality. Transparent data. Trusted results.