Trusted Research Suppliers

Verified vendors with third-party purity testing, consistent stock, and fast shipping. For research purposes only.

⚠️ FTC / research-use disclosure. Some links on this page are affiliate links that pay peptides.site a small commission at no additional cost to you. Inclusion is not an endorsement of any vendor, product, quality, purity, or legality. All compounds are sold and referenced for research use only. They are not medicines and are not for human or veterinary consumption. Verify legality in your jurisdiction before any purchase. See our full disclaimer.
⭐ Most Popular

Peptide Sciences

US-based, industry benchmark for purity and documentation.

BPC-157 TB-500 CJC-1295 Ipamorelin IGF-1 LR3 GHK-Cu Epithalon
  • Third-party HPLC tested, CoA per batch
  • US-manufactured, cGMP facility
  • Fast domestic shipping (2–3 days)
  • Consistent stock availability
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🔬 Lab Grade

Core Peptides

Research-grade quality with strong documentation and broad peptide range.

BPC-157 GHK-Cu Epithalon Selank Semax DSIP PT-141
  • Independent lab verified purity
  • Lyophilised and sealed for stability
  • Discreet packaging
  • Competitive pricing on bundles
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🌍 Ships Worldwide

Swiss Chems

International shipping, wide peptide and nootropic catalogue.

BPC-157 TB-500 CJC-1295 Ipamorelin Melanotan II Tesamorelin
  • Purity guaranteed >98% per batch
  • Ships to most countries
  • Multiple payment methods including crypto
  • Volume discounts available
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🧬 Premium Range

Limitless Life

Premium peptides with a focus on longevity and cognitive research compounds.

BPC-157 Cerebrolysin Dihexa NSI-189 GHK-Cu Thymalin
  • Biohacker-focused catalogue
  • Detailed product documentation
  • Nootropic + peptide combo stacks
  • US domestic and international shipping
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Quick Comparison

At a glance — key factors for research procurement decisions.

Vendor 3rd-Party Tested CoA Available Ships Intl. BPC-157 TB-500 Crypto
Peptide Sciences ✓ ✓ US only ✓ ✓ ✗
Core Peptides ✓ ✓ ✓ ✓ ✗ ✗
Swiss Chems ✓ ✓ ✓ ✓ ✓ ✓
Limitless Life ✓ ✓ ✓ ✓ ✗ ✗
⚠️ RESEARCH USE ONLY: All vendors listed supply compounds strictly for laboratory and research purposes. Products are not approved for human consumption. Peptides.site earns affiliate commission on purchases made through some links on this page. This does not affect our recommendations or editorial independence.