Does Peptara Labs publish its certificates?
Yes, one per product on its certificates page, each from a recent batch with its lot code, HPLC purity and test date. Its website also lists the printed batch certificate for what shipped among what arrives.
Sources: peptaralabs.io/coa, the Peptara Labs website, read 15 September 2026
What does a Peptara Labs certificate test for?
By its description: identity by HPLC and LC-MS, HPLC purity against a 95.0 percent release criterion, net peptide content, sterility, bacterial endotoxin, heavy metals and a fentanyl screen.
Source: peptaralabs.io/coa
Can you check a Peptara Labs report on the laboratory’s own site?
Yes. Each Titreon certificate has a QR code and a printed key that open it on titreonanalytical.com, and each Janoshik endotoxin report opens on verify.janoshik.com. This guide checked both on 15 September 2026.
Sources: peptaralabs.io/coa, titreonanalytical.com, verify.janoshik.com