Peptides withnothing to hide.
Independently tested to 99% purity. Every lot ships with its full Certificate of Analysis — published openly, matched to the vial in your hand.
Every vial, documented.
COA · Public
COA · Public
COA · Public
COA · Public
COA · Public
COA · Public
COA · Public
COA · Public
COA · Public
COA · PublicOPEN BOOK / BULK ORDERS
Buy in bulk.
Save up to 35%.
Combine vial sizes of the same compound in one bulk order.

Save $174.97 · 25% off this selection
Thresholds apply per compound across its sizes. Codes do not combine. Shipping and tax are confirmed at checkout.Completely open about our testing. Always.
No purity claims you can’t check yourself — that’s the whole point of the name.
Independently tested
Every lot verified by an unaffiliated U.S. analytical lab — independent HPLC analysis of identity, purity, and net content.
COA with every lot — public
The full lab report is published on this site. Match your lot number, read the record.
99% purity, guaranteed
If a vial ever fails to match its published COA, we replace it or refund it.
FedEx 2-Day cold shipping
FedEx Express 2-Day cold shipping. Fulfillment Monday–Friday, excluding holidays; transit begins after dispatch. Free over $250.
Curated research stacks.
Compare included compounds and bundle totals — bacteriostatic water included.





The Open Book difference.
Review the documentation, shipping service and purchase terms before you order.
Everything, on the record.
How do I verify the purity of my vial?+
What does 99% purity guaranteed actually mean?+
Who tests your compounds?+
How are orders shipped?+
Who can purchase?+
What if something arrives damaged?+
Join the researchers on the record.
Create your account to place an order and review your order history. Lot reports are available in our public Certificates library.
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