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Oxford Research Peptides
THIRD-PARTY TESTED

Certificates of Analysis

Independent analysis reports issued by Janoshik Analytical, listed by compound and strength as supplied. Each link opens the verifiable report hosted by the laboratory.

RT GLP

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  • 10mg99.74%
    Janoshik Analytical · HPLC · Batch EGB-0226-RT10 · 02 Mar 2026
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  • 20mg99.87%
    Janoshik Analytical · HPLC · Batch EGB-0126-RT20 · 20 Jan 2026
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  • 20mg99.20%
    Janoshik Analytical · HPLC · Batch EGB-0226-RT20 · 13 Feb 2026
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  • 30mg99.46%
    Janoshik Analytical · HPLC · Batch EGB-0426-RT30 · 23 Apr 2026
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  • 30mg99.74%
    Janoshik Analytical · HPLC · Batch EGB-RT30-BBG50 · 20 Jan 2026
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  • 40mg99.89%
    Janoshik Analytical · HPLC · Batch EGB-0126-RT40 · 20 Jan 2026
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Tirzepatide

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  • 10mg99.83%
    Janoshik Analytical · HPLC · Batch EGB-0126-TR10 · 21 Jan 2026
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  • 30mg99.87%
    Janoshik Analytical · HPLC · Batch EGB-0526-TR30 · 23 Apr 2026
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  • 40mg99.77%
    Janoshik Analytical · HPLC · Batch EGB-0126-TR40 · 20 Jan 2026
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  • 50mg99.71%
    Janoshik Analytical · HPLC · Batch EGB-0126-TR50 · 20 Jan 2026
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  • 50mg99.97%
    Janoshik Analytical · HPLC · Batch EGB-0226-TR50 · 02 Mar 2026
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  • 60mg99.84%
    Janoshik Analytical · HPLC · Batch EGB-0126-TR60 · 20 Jan 2026
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GHK-Cu

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  • 50mg99.93%
    Janoshik Analytical · HPLC · Batch WWB-EGB0625GKU-50 · 02 Jul 2025
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BPC-157 / TB-500 Mix

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  • 20mg blendBPC-157 10.1mg / TB-500 11.0mg
    Janoshik Analytical · HPLC (quantitation) · Batch WWB-EGB0725TBBC-20 · 18 Aug 2025
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Tesamorelin

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  • 10mg99.29%
    Janoshik Analytical · HPLC · Batch EGB-WWB1125-TSM10 · 26 Nov 2025
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SS-31

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  • 50mg99.76%
    Janoshik Analytical · HPLC · Batch WWB-EGB0625SS31-50 · 02 Jul 2025
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PT-141

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  • 10mg99.63%
    Janoshik Analytical · HPLC · Batch WWB-EGB0625PT-10 · 02 Jul 2025
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Reports are batch-specific. If you need the report matching the batch number printed on your vial label, email info@oxfordresearchpeptides.com with your order and batch number. See our COA policy and Research Use Only notice.