PEPTIDE

Suppliers

Supplier transparency, scored.

Independent supplier reviews. We score COA quality, third-party testing, support clarity and bias signals — without making medical claims about any product sold.

Suppliers Reviewed
10
Methodology
Transparency Score

Supplier

Helix Research Labs

United States

US-based supplier with excellent COA documentation and transparent third-party testing partnerships.

4.5 / 5
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Supplier

Vela Research

European Union

EU-based supplier with exceptional affiliate transparency but inconsistent COA documentation quality.

4.3 / 5
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Supplier

Continuum Research Supply

European Union

EU-based supplier with clear lab transparency and good affiliate disclosure, but minimal shipping detail.

4.1 / 5
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Supplier

Apex Compound Co

United States

US-based supplier with strong COA standards but poor affiliate disclosure and limited support transparency.

3.9 / 5
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Supplier

Meridian Peptides

United Kingdom

UK-based supplier with transparent sourcing but inconsistent COA detail and limited affiliate disclosure.

3.8 / 5
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Supplier

Quartz Peptides

United Kingdom

UK-based supplier with strong third-party lab transparency but weak COA detail and poor affiliate disclosure.

3.6 / 5
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Supplier

Antipodes Bio

Australia

Australian supplier with moderate transparency; adequate COAs but limited third-party testing information.

3.5 / 5
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Supplier

Northern Sciences Pty

Australia

Australian-based supplier with basic transparency practices and moderate COA detail.

3.2 / 5
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Supplier

Ironbark Bio

Australia

Australian supplier with limited transparency across COAs, testing, and affiliate disclosure.

3.1 / 5
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Supplier

Coastline Biolabs

United States

US-based supplier with minimal COA detail and vague transparency practices across all areas.

2.8 / 5
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