Sourcing Resources

Vendor evaluation and quality verification

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All Sourcing Resources

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Vendor Scorecard Framework

How we evaluate peptide vendors: testing standards, shipping, pricing, and reputation metrics. Use our criteria to vet any vendor.

10 min read
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How to Read a Certificate of Analysis

Decode COAs like a pro: purity percentages, HPLC results, mass spec data, and red flags to watch for. Know what you are buying.

8 min read
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15 Vendor Red Flags to Watch For

Spot unreliable vendors before you buy. Warning signs in website claims, testing practices, shipping, and customer service.

7 min read
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Working with Compounding Pharmacies

How to obtain peptides through legitimate compounding pharmacies. Requirements, costs, and what to expect from the process.

9 min read

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