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Premium research peptides, 3rd party tested & purity guaranteed.

Chicago Peptide Supply provides high-purity peptides and research compounds to qualified scientific researchers. Third-party tested. U.S.-based. Free shipping on every order. Sign up to get started.

Full catalog, pricing, and technical data available after registration.

Third-party tested
Free US shipping
Research-grade purity
Qualified researchers only

CATALOG

Featured Peptides

A small preview of what's in our full catalog. Detailed technical data, all sizes, and pricing appear once you're signed in.

Retatrutide

CAS 2381089-83-2

Starting at $•••.••

Tirzepatide

CAS 2023788-19-2

Starting at $•••.••

Semaglutide

CAS 910463-68-2

Starting at $•••.••

Cagrilintide

CAS 1415456-99-3

Starting at $•••.••

MOTS-c

CAS 1627580-64-6

Starting at $•••.••

TB-500 (Thymosin β4 Acetate)

CAS 77591-33-4

Starting at $•••.••

BPC-157

CAS 137525-51-0

Starting at $•••.••

Wolverine Blend (BPC-157 + TB-500)

CAS Blend — BPC-157 137525-51-0; TB-500 77591-33-4

Starting at $•••.••

Catalog locked

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Purity guaranteed peptides

Every batch is 3rd party laboratory tested for purity and mass.

Sample-sized ordering

Order 1, 3, or 10 samples of any product. Bulk orders receive better pricing.

Free, discreet shipping

Free and discreet shipping on every order. No thresholds, no promo codes, no surprises.

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