Peptide research guides and buyer questions

Name: PeptiCore Labs
Price range: $$$

Plain-language guides to testing, documentation and ordering, written for researchers who want to know exactly what they are buying.

How to Read a Peptide Certificate of Analysis (COA)

A section-by-section guide to peptide certificates of analysis: batch numbers, HPLC purity, mass spec identity, endotoxin tests, and the red flags that mean a COA should not be trusted.

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October 1, 2026

How Research Peptides Are Shipped: Costs, Timing and What to Check on Arrival

Shipping costs, same-day dispatch, US and international delivery times, whether freeze-dried peptides survive transit, and a checklist for when your package arrives.

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October 1, 2026

What “Research Use Only” Means (and Who We Sell To)

What the research use only label means for peptides, what it does not mean, who we sell to, and why our support team never gives dosing advice.

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October 1, 2026

Before you buy

Quick answers to common questions

How much is shipping?$15 in the US, free over $200. $45 international, free over $450.Does every batch have a COA?Yes. Match the batch number on your vial in COA Lookup.Who can buy?Researchers and labs. Products are for laboratory research only.More questions?See the full FAQ or contact our support team, available 24/7.

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