Research-Grade Peptides,
Uncompromised.
Third-party tested peptides for serious researchers. Every batch verified, every order backed by a Certificate of Analysis.
Lab Tested
Every batch, third-party
verified
COA Available
Full certificate on every
product
Secure Checkout
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private
Fast Shipping
Orders processed within
24 hours
Our Products
One Standard, Every Order
Citadel Labs was founded on the conviction that researchers deserve materials they can stake their work on. Our labels, lot numbering, packaging, and fulfillment workflow are engineered to a single standard, applied to every batch, every vial, every order.
Fast and reliable shipping
No surprises, no extended handling windows, no waiting on us to get to it.
Sourcing with discipline
Behind every product is a sourcing process most customers never see.
Verified before it ships
Every batch is tested for purity, identity, and content at an accredited US laboratory.
Delivery on time
Citadel Labs was founded on the conviction that researchers deserve materials they can stake their work on.
Certificates of Analysis
HPLC Testing
Peptide Identity & Purity
High-performance liquid chromatography verifies every compound before it reaches you.
99.8%
avg. purity
LC-MS
Molecular Weight Confirmed
Mass spectrometry confirms exact molecular structure and eliminates counterfeits.
29+
batches tested
Purity Analysis
Target Peptide vs Impurities
Precise measurement of the target compound against all detected impurities.
100%
transparent results
Net Content
Label Claim Verification
Actual peptide weight matches what's on the label — verified by independent labs.
3rd
party accredited
Lot Lookup
Find Your COA Instantly
Enter your lot number from the vial — download the full certificate in seconds.
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results database