Understanding Peptide Purity: HPLC and Mass Spec Explained
Learn how third-party labs verify peptide purity and what HPLC and mass spectrometry mean for your research.
Feb 20, 2025
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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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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.
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Testimonials
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.
BPC-157 Research Overview: Mechanism and Applications
A concise overview of BPC-157 mechanism, current research findings, and applications in peptide research models.
Feb 15, 2025
Read MoreWhat Is a Certificate of Analysis (COA)? Why It’s Essential in Peptide Research
Learn why documented purity and batch traceability are important for peptide research.
Feb 10, 2025
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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