About kk
kk supplies research-grade peptides to laboratories and independent researchers. Every product in our catalog is selected for purity and consistency, and backed by third-party HPLC testing with a Certificate of Analysis available on request.
We believe researchers deserve materials they can trust and a buying experience that respects their time. That means clear specifications, honest labeling, and fast shipping in plain, secure packaging on every order.
≥99% purity
HPLC verified on every batch
COA included
Full analysis on request
Fast shipping
Plain, secure, tracked packaging
Research use only. All products are intended strictly for laboratory research and are not for human or veterinary consumption.