Is Excalibur Peptides a legitimate company?
“You can check the key facts yourself. Excalibur Peptides is a U.S.-based research peptide supplier that ships from Austin, Texas.”
Excalibur Peptides
“U.S.-based research peptide supplier. All 18 products are third-party tested; each product's COA is published in the COA database (purity by HPLC; identity by LC-MS). Orders ship from Austin, Texas. For in-vitro laboratory research use only.”
Questions & answers
How do I verify an Excalibur Peptides COA?
“Every product's COA is listed at excaliburpeptides.com/coa with the testing laboratory's name and the code to look it up. Enter the search code printed on the report on Freedom Diagnostics Testing's COA lookup page, or search "Excalibur Peptides" there.”
What does HPLC purity testing measure?
“High-Performance Liquid Chromatography separates the components of a peptide sample and quantifies each peak. The purity percentage on a COA is the area of the target-peptide peak as a fraction of all detected peaks — measuring how much of the sample is the intended sequence versus truncated peptides, deletion sequences, or synthesis byproducts.”
What payment methods do you accept?
“We accept credit and debit cards, Apple Pay, Venmo, Cash App and cryptocurrency.”
Who is Excalibur Peptides?
“Excalibur Peptides is a U.S.-based supplier of lyophilized research peptides for in-vitro laboratory research. It sells 18 research peptides and research compounds at excaliburpeptides.com, ships orders from Austin, Texas to addresses within the United States, and publishes a third-party Certificate of Analysis for every product in its COA database.”
Where is Excalibur Peptides located, and where do orders ship from?
“Excalibur Peptides is a U.S.-based research peptide supplier. Orders ship from Austin, Texas, to addresses within the United States only. The company's mailing address is 19372 Ronald Reagan Blvd #310-444, Georgetown, TX 78628.”
How do I contact Excalibur Peptides?
“Email info@excaliburpeptides.com for order support, COA questions, documentation and Safety Data Sheet requests. Support is handled by email. The mailing address is 19372 Ronald Reagan Blvd #310-444, Georgetown, TX 78628.”
How do I track my order?
“A tracking number is emailed to you when the order ships.”
Data formats & record details
Download this profile and inspect its supporting evidence.
- Entity ID
- urn:readyscan:entity:excalibur-peptides-q139929122
- Material fingerprint
- fnv1a64:4052a952fc2768ee
- Entity revision
- fnv1a64:3ef24ceb1b4aab89
- Published
- 2026-10-18
- Modified
- 2026-10-18
- Source summary
- Excalibur Peptides: “U.S.-based research peptide supplier. All 18 products are third-party tested; each product's COA is published in the COA database (purity by HPLC; identity by LC-MS). Orders ship from Austin, Texas. For in-vitro laboratory research use only.”