US-Based · Research Grade · Third-Party Verified

Research-grade peptides.
No compromises.

Velo Bio Labs is a US-based supplier of research-grade peptides for in-vitro laboratory use. We exist because researchers deserve a supply chain they can actually verify — from synthesis to delivery.

99%+
Minimum Purity
38+
Research Compounds
Same Day
US Shipping by 2pm CT
100%
Domestic Supply Chain

Differentiators

What sets us apart

 

Independent Third-Party Testing

Every batch is tested by an independent laboratory using HPLC for purity and LC-MS for identity confirmation. We don’t self-test — results come from credentialed external labs.

 

Public Certificates of Analysis

Every COA is published on the product page with batch number, test date, lab name, purity percentage, and identity confirmation. You can verify before you buy.

 

99%+ Purity Standard

Our minimum purity threshold is 99%. Products are lyophilized under controlled conditions and stored with proper cold-chain handling throughout.

 

Same-Day US Shipping

Orders placed before 2pm CT ship the same business day from our US facility. Free shipping on orders over $300. Insulated packaging for temperature-sensitive compounds.

 

Full Domestic Supply Chain

Synthesized, tested, packaged, and shipped entirely within the United States. No international transshipment, no ambiguous sourcing.

 
Have a question?

Contact our team for compound availability, bulk pricing, or sourcing documentation.

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Verification

A supply chain you can actually verify

Every product listing includes a direct link to its certificate of analysis. Batch numbers are traceable, test dates are real, and the lab that ran the analysis is named by name.

We think transparency should be the default, not a differentiator. But until it is, we’ll keep publishing ours.



View a sample COA

 
HPLC Purity AnalysisHigh-performance liquid chromatography on every batch, with chromatogram included in the COA.
 
LC-MS Identity ConfirmationMass spectrometry confirms molecular identity — not just purity percentage.
 
External Lab, Not InternalTesting is performed by credentialed third-party laboratories, never in-house.
 
Cold-Chain Storage & LyophilizationProducts shipped in insulated packaging, lyophilized under controlled conditions.
 
Batch-Level TraceabilityEvery COA is tied to a specific batch number, test date, and named laboratory.

 
Research Use Only

All products sold by Ascend Bio Labs are intended strictly for in-vitro laboratory research. They are not for human consumption, veterinary use, diagnostic purposes, or any other in-vivo application. By purchasing from us, you confirm that you are a qualified researcher and that the products will be used in accordance with all applicable regulations.

Ready to browse?

38+ research-grade compounds.
Fully documented.

Every product ships same-day from the US with a public certificate of analysis.


Browse the catalog