Premium research peptides, delivered with proof.
The Peptide Store supplies high-purity research peptides with third-party HPLC & MS testing, a Certificate of Analysis on every batch, and fast, discreet shipping across the USA.
Purity you can verify — not just claims.
Every product is backed by independent testing and full documentation, so your research starts from a known baseline.
Third-party tested, every batch
Independent labs verify identity and purity by HPLC and mass spectrometry. The Certificate of Analysis ships with your order and is available before you buy.
Fast US shipping
Same-day dispatch on orders before 2 PM ET, with tracking and discreet packaging.
Pay your way
Cash App, Apple Pay, Zelle, crypto & bank transfer. No cards needed.
Cold-chain ready
Temperature-aware packaging keeps peptides stable in transit.
Discreet & secure
Plain, unbranded packaging and encrypted checkout on every order.
Research peptides, organized by goal.
Single Peptides
Individually vialed research peptides, each lyophilized and shipped with its Certificate of Analysis.
Explore →Peptide Blends
Pre-formulated research blends in fixed ratios for reproducible experimental conditions.
Explore →Cosmetic Research
Topical-research peptides for in-vitro and cosmetic formulation studies.
Explore →Reconstitution
Bacteriostatic water, sterile vials and accessories to prepare your research samples.
Explore →Bulk & Lab Supply
Larger quantities for laboratories and institutions, with volume pricing on request.
Explore →Best Sellers
The most-ordered research peptides among our laboratory and research customers.
Explore →All products are sold strictly for laboratory and research use only. Not for human consumption.
Trusted by researchers nationwide.
COA matched the vial exactly. Purity was spot-on and the cold packaging arrived perfectly intact. This is now my default supplier.
Paid with Cash App in seconds and the order shipped the same day. Tracking was accurate the whole way.
The documentation is the best I've seen — third-party HPLC and MS reports for every batch. Exactly what our lab needs.
Discreet packaging and quick Apple Pay checkout. Support answered my question within a couple of hours.
Consistent quality across repeat orders. Zelle payment made bulk purchasing painless for our department.
Reliable, professional and transparent. The reconstitution accessories were a nice touch — everything in one place.