Windy City Peptides
US RetailerActiveWindy City Peptides is a research peptide vendor based in United States, operating since 2012. They report third-party lab testing through Janoshik Analytical, which Peptul has not yet independently verified. Everything here is what Peptul could check - so you can judge the vendor for yourself.
Testing and trust
Third-party COA
Yes
Testing lab
Janoshik Analytical · Established lab
Catalogue
Peptides carried
BPC-157, TB-500, KLOW 80mg, GLOW 70mg, Semax, Selank, MOTS-C, SS-31, NAD+, Epitalon, GHK-Cu, CJC-1295, Sermorelin, Ipamorelin, Tesamorelin, LIPO-C, KPV, Super Shred, WCP-2T, WCP-3R, Cagrilintide, GLP-2T, GLP-3R (Retatrutide), ARA-290, TA-1 (Thymosin Alpha-1), bacteriostatic water
Pricing and payment
Pricing tier
Mid-range
Typical range
$29.95 - $179.95/vial
Payment methods
Credit Card, Debit Card, Zelle, Bank Transfer
Shipping
Domestic delivery
2-5 business days
International
Unknown
Discreet packaging
Yes
Additional note
US-based domestic fulfillment from Illinois facility. All products supplied as lyophilized powders with -20°C storage requirements. Lot-matched COAs with traceability. Responsive support within 48 hours. Offers specialized blends (KLOW, GLOW) and emerging research compounds not commonly available elsewhere. Active affiliate program available.
Compare other vendors
Our Partner Picks
These are Peptul partners. A small number are featured first; the rest are ranked by Peptul Score. The comparison above is independent and is never affected by partner status.
This listing is claimed and managed by its vendor.
ClaimedFor educational and research purposes only. Not medical advice. Always consult a qualified healthcare provider before using any research compound.