A different kind ofsignature science.
High-purity peptides for the research community, delivered with the discretion and care of a private atelier — not a warehouse.
- Purity99% +
- Third-party assayEvery batch
- OriginManufactured in the U.S.
- FulfillmentSame-day, discreet
“When it comes to purity and service, we would sooner step away than sacrifice the standards that define us.”
Featured this season
A short, considered selection from the current catalog. Every vial ships with its own certificate of analysis.
The Signature Circle.
An invitation to shop the way our founders would — with considered perks, always-on savings, and a fulfillment queue that puts your orders first.
Complimentary
- Standard shopping experience
Basic
- Free standard shipping
- Members-only add-on catalog
Premium
- Standing 10% discount
- 5% cashback as store credit
- Priority packing queue
We would sooner step away than compromise.
Signature Science was built for the research community, on a foundation of transparent pricing and uncompromising quality control. Every batch is third-party assayed, every vial ships with its own certificate, and every order is handled by people who know what they're moving.
Assayed to 99% +
Independent laboratory verification on every batch we release.
Shipped from the U.S.
Same-day processing from a domestic facility — no international detours.
For laboratory use
Sold exclusively to qualified researchers, handled by our scientific support team.
All products sold by Signature Science are strictly for laboratory research purposes only.
Products are not intended for human or veterinary diagnostic, therapeutic, or in-vivo applications. By purchasing, you confirm that you are a qualified researcher or institution conducting legitimate scientific research, and that you possess the technical knowledge required for the safe handling of our products.
Technical support: research@signaturescience.com
Rare updates, thoughtfully sent.
New releases, batch notes, and the occasional invitation to the Signature Circle — nothing else.
Built for the research community.
We specialize in supplying high-quality peptides and research compounds to institutional and independent researchers. Our purpose is to empower the science with reliable products — allowing our clients to focus on the work that matters.
