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Celebrating 250 Years of Independence · 10% off with code ATILIS

Atilis GymPeptidesResearch use only
Research peptides · 99%+ purity · COA per batch

Research-grade peptides,
tested to the milligram.

Third-party verified at 99%+ purity and cold-shipped from the United States by the Atilis Gym family. Every vial carries a lot-specific certificate of analysis. For laboratory research use only.

99%+
HPLC verified
USA
Shipped & sourced
24h
Order fulfillment
3rd-party lab tested
99%+ purity
US-based shipping
Discreet packaging
Cold-chain handled
COA per batch
Free shipping over $150
Research-grade only
3rd-party lab tested
99%+ purity
US-based shipping
Discreet packaging
Cold-chain handled
COA per batch
Free shipping over $150
Research-grade only

1776 – 2026 · Semiquincentennial

Celebrating 250 Years of American Independence

Proudly research-grade, proudly made in the USA. Take 10% off your order with code ATILIS.

Proof, Not Promises

Independent verification behind every vial

BPC-1571 of 15

Third-Party Tested

All products are produced in controlled laboratory environments and undergo third-party analytical testing to verify identity and purity prior to release.

Batch-Level Records

We maintain batch-level records and work with accredited testing partners to ensure consistency across production runs. Customers may request supporting documentation or conduct independent analysis at their discretion.

Verified Customer Feedback

Feedback from verified purchasers is available at the bottom of our FAQ page, reflecting real-world experiences with our research materials and service standards.

Products are intended strictly for laboratory research purposes and are not approved for human or veterinary use.

Quality standard

Purity you can verify.

Every vial must earn its place — no weak batches, no guesswork. Independent testing and open documentation behind each order.

Verified on every batch

Each lot is analyzed by independent third-party labs using HPLC and mass spectrometry. Anything under 99% purity is rejected — never shelved.

99%+Min. assay purity

A COA for every lot

A lot-specific certificate of analysis is tied to every order and published openly. You verify the exact vial in your hands — not a generic spec sheet.

Lot-lockedCOA tied to batch

Cold-chain handled

Lyophilized in temperature-controlled fill rooms, stored at 2–8 °C, and shipped insulated — reagent integrity preserved end to end.

2–8 °CContinuous chain
AI research tool

Research with PepPal.

PepPal is an AI-powered peptide research companion — chat with it, compare compounds, and calculate reconstitution, all in one place. Free to use, no sign-up to start.

What it does

  • AI research assistant

    Ask any question and get detailed, sourced answers on the peptides you're studying.

  • Side-by-side comparisons

    Compare compounds by mechanism, class, and research profile in seconds.

  • Reconstitution calculator

    Work out reconstitution volumes and concentrations for your protocol.

Try it now

Bestsellers

In stock now.

The compounds our research customers reorder most — fully assayed and ready for cold-chain dispatch.

See all 24 peptides