Purity you can prove.
Research peptides manufactured in the USA, assayed by independent laboratories, and released lot-by-lot — a Certificate of Analysis travels with every vial.
LOT-VERIFIED · RUO
Best sellers.
Find the right compound for your work.
Metabolic & GLP-1 research
GLP-1, GIP and glucagon receptor agonists — semaglutide, tirzepatide and retatrutide — studied in glucoregulation, incretin signaling and energy-metabolism models.
View compounds → 🩹Repair & recovery pathways
BPC-157, TB-500 and the BPC/TB-500 blend, widely used in angiogenesis, tendon-to-bone healing and tissue-remodeling research protocols.
View compounds → ⏳Longevity & cellular research
NAD+, Epithalon, MOTS-c and 5-Amino-1MQ for sirtuin, telomerase, mitochondrial and NNMT-pathway studies in aging research.
View compounds → 🧠Neuroscience & cognition
Selank, Semax and Dihexa — neuroactive peptides researched in GABAergic modulation, neuroprotection and cognitive-function models.
View compounds →What are research peptides?
Peptides are short chains of amino acids — smaller than proteins, but specific enough to interact with precise biological targets. In laboratory research, synthetic peptides let scientists isolate and study a single signaling pathway: how a receptor responds, how a tissue repairs, how a metabolic axis behaves.
Because results depend entirely on what’s actually in the vial, peptide research starts with chemistry you can verify. Every USA Biotech Labs compound is synthesized to a defined specification, purified to 99%+ by reverse-phase HPLC, identity-confirmed by mass spectrometry, and released with a lot-traceable Certificate of Analysis — so your data reflects the peptide, not the impurities.
All products are supplied for in-vitro laboratory research and development only (RUO) — not for human or veterinary use.
How are peptides made?
What does 99%+ purity actually mean?
Why do lot numbers matter?
How should peptides be stored?
From synthesis to your bench.
Synthesized in-house
Compounds are built to a defined specification in our own US facility — no anonymous sourcing, no third-party repackaging.
Independently tested
Every lot is assayed by an accredited outside laboratory — HPLC purity, mass-spec identity — before it can be listed. We don’t grade our own work.
Lyophilized & sealed
Freeze-dried to a shelf-stable powder, sealed against light and moisture, and matched to its certificate by lot number.
Dispatched in 24h
In-stock orders ship the same or next business day — plain, tamper-evident and tracked, with the COA in the box.
Every order, backed in writing.
Documented purity, an independent certificate for your exact lot, discreet dispatch — and if the numbers don’t match, we make it right.
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99%+ identity purity
Reverse-phase HPLC purity and mass-spec identity on every batch — before it is ever listed.
How we verify →
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COA on every lot
Lot-traceable certificate matched to your vial, archived publicly and shipped in the box.
Look up a COA →
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Discreet 24h shipping
Same or next business day dispatch — plain, tamper-evident and fully tracked.
Shipping details →
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Purity-match guarantee
Have a lot independently tested — if the purity doesn’t match its COA, we refund or replace it.
Our guarantee →What researchers say
Supplying a lab, university or reseller?
Volume pricing, bulk COA documentation, custom synthesis and net terms — the same lot-level rigor, at scale.