Certificates of analysis
Third-party tested. Every batch, on the record.
Every Peptara Labs peptide is verified by Titreon Analytical, an independent laboratory whose quality system is aligned to ISO/IEC 17025:2017. Each batch is checked for purity by HPLC, identity by LC-MS, net peptide content, sterility, bacterial endotoxin, heavy metals, and fentanyl, and every certificate is downloadable as a PDF.
What every certificate confirms
Identity by HPLC and LC-MS. Chromatographic purity against a not-less-than 95.0 percent release criterion. Net peptide content, sterility, bacterial endotoxin, heavy metal screening, and a fentanyl immunoassay. Across the current catalog, measured purity runs from 98.6 to 99.6 percent.
Browse every batch
Each certificate below is from a recent batch, issued by Titreon Analytical. To match the exact lot you received, message us with your lot number.
Enter the lot number printed on your vial to find its certificate.
GLP-1 metabolic
Retatrutide
20 mg · lyophilized
Batch RETA-260512-A, net 20.41 mg, tested June 2026
Identity confirmed by HPLC-RTM + LC-MS, 4731.4 Da
View certificate (PDF)GLP-1 metabolic
Tirzepatide
20 mg · lyophilized
Batch TIRZ-260420-A, net 20.42 mg, tested June 2026
Identity confirmed by HPLC-RTM + LC-MS
View certificate (PDF)Tissue repair
BPC-157
20 mg · lyophilized
Batch BPC-260408-A, net 20.38 mg, tested June 2026
Identity confirmed by HPLC-RTM + LC-MS, 1419.5 Da
View certificate (PDF)Growth hormone
CJC-1295 + Ipamorelin
5 + 5 mg · lyophilized
Batch CJI-260413-A, net 10.05 mg, tested June 2026
Identity confirmed by HPLC + LC-MS (per component)
View certificate (PDF)Skin and longevity
GHK-Cu
100 mg · lyophilized
Batch GHKCU-260417-A, net 106.09 mg, tested June 2026
Identity confirmed by HPLC-RTM + LC-MS
View certificate (PDF)Tissue repair
TB-500
10 mg · lyophilized
Batch TB5-260415-A, net 10.22 mg, tested June 2026
Identity confirmed by HPLC-RTM + LC-MS
View certificate (PDF)Melanocortin
Melanotan II
10 mg · lyophilized
Batch MT2-260409-A, net 10.21 mg, tested June 2026
Identity confirmed by HPLC-RTM + LC-MS, 1024.2 Da
View certificate (PDF)Nootropic
Semax
10 mg · lyophilized
Batch SMX-260407-A, net 10.16 mg, tested June 2026
Identity confirmed by HPLC-RTM + LC-MS
View certificate (PDF)Nootropic
Selank
10 mg · lyophilized
Batch SEL-260406-A, net 10.19 mg, tested June 2026
Identity confirmed by HPLC-RTM + LC-MS
View certificate (PDF)Recovery blend
KLOW
10 + 50 + 10 + 10 mg · lyophilized
Batch KLW-260412-A, net 80.90 mg, tested June 2026
Identity confirmed by HPLC + LC-MS (per component)
View certificate (PDF)Mitochondrial
MOTS-c
40 mg · lyophilized
Batch MTS-260414-A, net 40.60 mg, tested June 2026
Identity confirmed by HPLC-RTM + LC-MS, 2174.6 Da
View certificate (PDF)Longevity
Epithalon
A certificate for this batch is in testing with Titreon Analytical and is available on request.
Growth hormone
Tesamorelin
20 mg · lyophilized
Batch TES-260418-A, net 20.35 mg, tested June 2026
Identity confirmed by HPLC-RTM + LC-MS
View certificate (PDF)Metabolic
SLU-PP-332
5 mg · lyophilized
Batch SLU-260405-A, net 5.08 mg, tested June 2026
Identity confirmed by HPLC-RTM + LC-MS
View certificate (PDF)Libido
PT-141
10 mg · lyophilized
Batch PT1-260411-A, net 10.18 mg, tested June 2026
Identity confirmed by HPLC-RTM + LC-MS, 1025.2 Da
View certificate (PDF)Antioxidant
Glutathione
A certificate for this batch is in testing with Titreon Analytical and is available on request.
Frequently asked questions
Verified quality, every order
Every vial ships with a lot you can verify.
Browse the catalog, or message us on WhatsApp with any lot number and we will send the matching certificate of analysis.