Brands
Every store is escrow-protected and community-vetted.
Every brand here sells through escrow — or not at all.
We list a small number of brands and hold every payment until the buyer confirms delivery. Each store below keeps its full catalogue; lab reports and price comparisons sit alongside it.
What every brand agrees to
The rules are the same for every store on the marketplace.
Brand profiles
Open a store to browse its full catalogue.
HK Peptide
◆ Escrow protectedHK Peptide focuses on peptide research and synthesis, supplying 110+ high-purity research peptides in 10-vial kits. Batches are third-party tested by Janoshik (HPLC purity and content) with reports published per compound.
TFC Peptides
◆ Escrow protectedTFC Peptides (Tianjin Finder Chemical) specialises in research-grade peptides including GLP-1 agonists (tirzepatide, retatrutide, semaglutide), growth hormones, nootropics and peptide blends. Established supplier with over 170 research peptides available for dispatch worldwide.
Uther Peptide
◆ Escrow protectedUther Peptide manufactures and supplies research peptides in partnership with biomedical labs. Every batch is independently tested by Janoshik and published with a dated certificate of analysis — 250+ public test reports across 60 compounds.
Same compound, two brands, one fair price check
Best price per mg for each brand, calculated live from current listings.
Prices before the escrow fee. Price per mg uses the listed strength × vials in the kit.
Are you a brand?
Brands join by invitation after review: published third-party lab data, reliable shipping and acceptance of escrow terms. Tell us about your lab and catalogue.
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Before you enter
Grey Markets lists research peptides for laboratory and educational use only. Nothing on this site is medical advice or intended for human consumption.
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