What a Certificate of Analysis Documents — and Why Characterization Comes First
A COA documents lot-level testing. It supports traceability — it does not replace clear substance identity or FDA listing decisions.
Oct 16, 2026
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Advanced Peptide Research Starts Here
Research-grade peptides for in-vitro use. Same-day shipping and secure checkout.
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Featured Research Peptides
Certificates of Analysis are available for reviewed batches. Contact us for documentation.
PopularBPC-157
Synthetic pentadecapeptide for tissue and gastrointestinal research.
From $45.00
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PopularBPC-157 + TB500 Blend
Research blend for tissue and cell migration studies.
From $55.00
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PopularCJC-1295 W/ DAC
Modified GRF with Drug Affinity Complex for sustained GH secretagogue research.
From $59.99
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PopularGHK-Cu
Tripeptide-copper complex for skin biology and collagen pathway research.
From $40.00
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Why Choose Us
The USX Difference
Quality, transparency, and service for your research needs.
Quality Assurance
We work with testing laboratories to verify identity and purity of our products.
Same-Day Shipping
Orders placed before 2 PM EST ship the same day via FedEx. Free shipping on orders over $150.
Research-Grade Peptides
Our peptides are lyophilized for stability and shipped with appropriate storage documentation.
Documentation
Certificates of Analysis are available for reviewed batches and can be requested through our lab reports page.
Research Use Only
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What Our Customers Say
Feedback from our customers.
“Fast shipping and well-packaged products. The documentation provided was helpful for our research protocols.”
— Verified Customer
“Consistent experience across multiple orders. Easy ordering process and responsive support team.”
— Verified Customer
“Clear labeling and proper storage instructions included. Straightforward checkout experience.”
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From Our Research Blog
Latest Research & Insights
Peptide science, quality, and applications — written for researchers.
How Advisory-Committee Conflict-of-Interest Review Works at the FDA
FDA advisory committees use ethics screening. Public debate about panel composition is common — and separate from what a vote legally means.
Oct 12, 2026
Read MoreWhat "Research Use Only" Means in the U.S. Regulatory Framework
“Research Use Only” is a positioning and intended-use concept — not a magic label that overrides how a product is marketed or discussed.
Oct 5, 2026
Read MoreResearch Use Only
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FAQ
Frequently Asked Questions
Everything you need to know about our research peptides.
No. All USX Peptides products are for in-vitro research, educational, and laboratory use only. They are not intended for human or animal consumption.
We work with testing laboratories to verify the identity and purity of our products. Certificates of Analysis are available for reviewed batches and can be requested through our Lab Reports page.
We ship via FedEx Ground (2–5 business days) and FedEx 2-Day. Orders over $150 qualify for free FedEx Ground shipping.
We currently ship to the United States, Canada, and Paraguay. Shipping rates are calculated at checkout based on your destination.
We offer a 30-day satisfaction guarantee. If the product does not meet our stated purity specifications or was damaged in transit, contact support for a refund or replacement.
You must be at least 21 years of age to order. By purchasing, you confirm that you will use products solely for legitimate research purposes in compliance with applicable laws.
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