Research use only Not for human or animal consumption 21+
Research peptides

Research peptides — Purity,
proven.

Science. Purity. Potential.

High-grade compounds for laboratory research, third-party lab tested, with a certificate of analysis for every batch.

See the tests
PurePeptide research vial
HPLC ≥ 99% purity Third-party tested Ships to 10 countries 24h dispatch Cold-chain shipping Secure checkout
≥ 99%HPLC purity
100%Lab tested
24hDispatch
COAPer batch
Catalog

Most requested compounds

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Metabolic Retatrutide vial

Triple GIP/GLP-1/glucagon agonist for advanced metabolic research. HPLC purity ≥ 99%. For laboratory research use only.

$94.99/ vial
Longevity GHK-Cu vial

Copper-binding tripeptide studied for extracellular-matrix remodeling. HPLC purity ≥ 99%. For laboratory research use only.

$37.99/ vial
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Earn points on every order.

Every account earns points on every order and can use them like store credit. VIP and Founder add early access, included shipping and priority preparation.

  • Use points on any product, up to 100% of product value
  • 48-hour early access to launches and restocks
  • Shipping included on every order, no minimum (Founder)
  • Priority preparation of your orders (Founder)
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Bulk pricing

Stocking up? Up to 35% off in bulk.

The more vials of the same compound you order, the lower the price per vial. Applied automatically in your cart, no code needed.

Retatrutide

10 vials · 10 mg

20% off applied
$949.90 $759.90 Save $190.00
Add 10 vials
See bulk pricing for every compound

No subscription. The discount is applied per line in your cart.

Why PurePeptide

Everything your research needs, in one place.

From quality control to logistics, we designed every step around the demands of a modern laboratory.

Third-party lab tested

Every batch is analyzed by HPLC and mass spectrometry. The certificate of analysis is available on the COA page.

See how we test

Controlled cold chain

Refrigerated storage and shipping, so every compound keeps its integrity all the way to your door.

Dispatch within 24h

Your order ships within 24 hours with real-time tracking.

Complete documentation

Safety data sheets, COAs and batch traceability, available from your account.

View COA

Secure payments

Encrypted transactions and compliant invoicing for institutions and laboratories.

Specialist support

A scientific team on hand to answer your technical questions.

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Quality without compromise

A purity standard you can verify yourself.

We publish the analytical results for every batch. No black box: scan the code on the vial and read the full HPLC report.

≥ 99%HPLC purity
2Analytical methods
1COA per batch

Verified purity

HPLC

Every batch is run on HPLC. The main peak gives the purity we print: at least 99% for every peptide in the catalog.

Why it matters: You get the purity stated on the product page, batch after batch, with the chromatogram to prove it.
HPLC chromatogram · illustration ≥ 99.0% HPLC
Explore the catalog Certificate of analysis for every batch
HPLC ≥ 99% purityStated on every product page See the testsCertificates of analysis, batch by batch

Why choose PurePeptide?

FAQ

Frequently asked questions

Everything you need to know before ordering.

No. Every compound sold by PurePeptide is strictly intended for laboratory research. They are not approved for diagnostic or therapeutic use, nor for human or animal consumption.

Yes. Every batch has a certificate of analysis (COA) stating its HPLC purity and the compound identity. Certificates are available on the COA page.

Orders are dispatched within one business day. Delivery then takes 5 to 8 days to the United States, 6 to 10 days to the United Kingdom and 8 to 15 days to Canada, Europe and Australia.

Keep lyophilized vials in the freezer (-20 °C). Once reconstituted, store refrigerated and use within the window stated on the product page.

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Create a free account for wholesale pricing, certificates of analysis and order tracking.

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