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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.
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99%+ purity
Laboratory-verified purity
Research grade
In-vitro use only
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US-wide, all orders
3rd party tested
Purity and mass guaranteed
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 $•••.••
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Purity guaranteed peptides
Every batch is 3rd party laboratory tested for purity and mass.
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