COA transparency
All 18 products are third-party tested by Freedom Diagnostics Testing, with each COA published in a public COA database. Review them before you order.
Precision Peptides alternative
Researchers comparing Precision Peptides for laboratory procurement can review Excalibur Peptides: a US-based supplier with published COAs, a public COA database, and domestic same-day fulfillment.
For research and identification purposes only. Not for human consumption.
Precision Peptides is one of the supplier names US research labs evaluate when sourcing research compounds. The factors worth comparing are consistent: published Certificates of Analysis, an independent third-party testing relationship, and verifiable domestic fulfillment.
Excalibur Peptides documents each of those factors. All 18 products are tested by an independent third-party laboratory, Freedom Diagnostics Testing, using HPLC for purity and LC-MS for identity confirmation. The resulting COAs are published in a public database, listed by product.
All product ships from Austin, Texas, with same-day order processing and 2–4 business day domestic delivery. For research and identification purposes only.
For research and identification purposes only. Not for human consumption.
Core research compounds in the Excalibur catalog. All 18 products are third-party tested; each product's COA is published in the COA database.
All 18 products are third-party tested by Freedom Diagnostics Testing, with each COA published in a public COA database. Review them before you order.
Ships from Austin, TX. Same-day order processing on in-stock compounds with 2–4 day domestic delivery.
Purity by HPLC; identity by LC-MS (Freedom Diagnostics Testing), as reported on each product's published COA. Full documentation at /coa.
All products for research use only. Not for human consumption.
Excalibur publishes a third-party Certificate of Analysis for every product (HPLC purity; LC-MS identity) in a public database, with same-day US fulfillment.
Excalibur publishes one current Certificate of Analysis per product in the public COA database at /coa, with reports for earlier batches listed as previous reports. Each vial also carries a printed batch number that can be recorded in your lab records.
BPC-157, TB-500, GHK-Cu, Tesamorelin, GHRP-6, NAD+, MOTS-C, LL-37, Wolverine Blend, KLOW Blend, and more.
From Austin, Texas — same-day processing on in-stock orders placed before cutoff, 2–4 business day delivery within the United States.
No. All compounds are sold strictly for in-vitro laboratory research and identification purposes. Not for human consumption.