Modern Peptides — Independent Lab Test Results

Third-party lab testing: 25 independent Janoshik assays on file, covering 20 substances, median measured purity 99.8%, most recent test 2026-02-24.

Independent lab test results for Modern Peptides

SubstanceMeasured purityTest date
Retatrutide 50mg99.92%2026-02-24
Retatrutide 20mg99.87%2026-02-24
Tirzepatide 30mg99.85%2026-01-26
Retatrutide 10mg99.81%2026-01-26
Tirzepatide 15mg99.73%2026-01-16
Retatrutide 20mg99.49%2026-01-16
Cartalax 20mg99.71%2026-01-16
Bpc-157 20mg99.50%2026-01-16
Tesamorelin 20mg99.82%2026-01-09
Retatrutide 10mg99.68%2026-01-07
Semaglutide 10mg99.69%2025-12-15
Tirzepatide 15mg99.82%2025-11-14
Tirzepatide 60mg99.39%2025-10-15
Tesamorelin 20mg99.67%2025-09-25
Retatrutide 20mg99.80%2025-09-22
Retatrutide 48mg99.83%2025-05-08
KLOW 80not reported2026-02-23
GLOW 70 (bpc-157, Tb500, Ghk-cu)not reported2025-12-15
Bpc-157/tb500 10mg/10mgnot reported2025-10-15
Tesofensine 500mcgnot reported2025-08-08
Bpc-157 500mcgnot reported2025-08-08
Slu-pp-332not reported2025-07-08
Cagrilintide/semaglutide 5mg/5mgnot reported2025-05-29
Bpc-157/tb500 (tb4) 10mg/10mgnot reported2025-04-22
GLOW 50 Mgnot reported2025-03-11

16 of these 25 assays report a measured purity figure. The other 9 confirm the substance was submitted and tested but carry no purity number on the certificate, which is not the same as a failed result.