Vendor review
Peptide Sciences reviews
Peptide Sciences reviews and shutdown status: 132 independent lab tests on record (Retatrutide, Tirzepatide and Semaglutide), what happened to the store, and lab-tested alternatives.
Grade A132 independent lab tests0 peptides listed
Peptide Sciences has closed. Links to the shop are disabled.
What the lab tests show
132 tests on record, newest first. Scores are purity divided by ten.
| Date | Product | Purity | Quantity | Identity | Certificate |
|---|---|---|---|---|---|
| Jul 20, 2026 | Tesamorelin | 10 mg | Fail | View | |
| Jul 1, 2026 | Tirzepatide | 99.9 % | 61.8 mg of 60 mg (3 %) | Pass | View |
| Jun 17, 2026 | Retatrutide | 99.8 % | 13.3 mg of 12 mg (11 %) | Pass | View |
| May 6, 2026 | CJC-1295 | 5 mg | Fail | View | |
| Apr 28, 2026 | Retatrutide | 12 mg | Fail | View | |
| Apr 28, 2026 | Retatrutide | 20 mg | Fail | View | |
| Apr 28, 2026 | Tesamorelin | 10 mg | Fail | View | |
| Apr 2, 2026 | Retatrutide | 12 mg | Fail | View | |
| Mar 3, 2026 | Tirzepatide | 99.4 % | 33.7 mg of 30 mg (12 %) | Pass | View |
| Mar 2, 2026 | Retatrutide | 99.9 % | 13.3 mg of 14 mg (-5 %) | Pass | View |
| Mar 1, 2026 | Tirzepatide | 99.8 % | 19 mg of 15 mg (27 %) | Pass | View |
| Mar 1, 2026 | Semaglutide | 99.5 % | 5.6 mg of 5 mg (12 %) | Pass | View |
| Feb 26, 2026 | GHK-Cu | 99.7 % | 54.7 mg of 50 mg (9 %) | Pass | View |
| Feb 20, 2026 | Tesamorelin | 99 % | 14.9 mg of 10 mg (49 %) | Pass | View |
| Feb 20, 2026 | Tirzepatide | 99.8 % | 21.4 mg of 10 mg (114 %) | Pass | View |
| Feb 15, 2026 | Tirzepatide | 99.8 % | 17.2 mg of 15 mg (15 %) | Pass | View |
| Feb 15, 2026 | CJC-1295 | 99.8 % | 4.7 mg of 10 mg (-53 %) | Pass | View |
| Feb 13, 2026 | Retatrutide | 99.9 % | 6.05 mg of 6 mg (1 %) | Pass | View |
| Feb 11, 2026 | Retatrutide | 99.9 % | 29.8 mg of 30 mg (-1 %) | Pass | View |
| Feb 10, 2026 | GHK-Cu | 99.8 % | 43.3 mg of 50 mg (-13 %) | Pass | View |
| Feb 4, 2026 | BPC-157 | 99.7 % | 8.9 mg of 10 mg (-11 %) | Pass | View |
| Nov 4, 2025 | BPC-157 | 99.26 % | 10 mg of 10 mg (0 %) | Pass | View |
| Oct 9, 2025 | Tesamorelin | 98.9 % | 2.27 mg of 2 mg (14 %) | Pass | View |
| Oct 3, 2025 | BPC-157 | 99.95 % | 8.71 mg of 10 mg (-13 %) | Pass | View |
| Aug 12, 2025 | PT-141 | 100 % | 12.2 mg of 10 mg (22 %) | Pass | View |
| Aug 4, 2025 | Retatrutide | 99.306 % | 5.75 mg of 6 mg (-4 %) | Pass | View |
| Aug 4, 2025 | Retatrutide | 99.285 % | 11.09 mg of 12 mg (-8 %) | Pass | View |
| Jul 31, 2025 | PT-141 | 99.74 % | 2.91 mg of 3 mg (-3 %) | Pass | View |
| Jul 25, 2025 | Tirzepatide | 99.93 % | 9.65 mg of 10 mg (-3 %) | Pass | View |
| Jul 23, 2025 | Tirzepatide | 99.6 % | 4.1 mg of 5 mg (-18 %) | Pass | View |
| Jul 22, 2025 | Semaglutide | 100 % | 2.4 mg of 3 mg (-20 %) | Pass | View |
| Jul 17, 2025 | Retatrutide | 99.95 % | 4.86 mg of 5 mg (-3 %) | Pass | View |
| Jul 17, 2025 | CJC-1295 | 98.694 % | 4.39 mg of 5 mg (-12 %) | Pass | View |
| Jul 3, 2025 | Retatrutide | 99.54 % | 9.36 mg of 12 mg (-22 %) | Pass | View |
| Jul 3, 2025 | Retatrutide | 99.77 % | 4.98 mg of 6 mg (-17 %) | Pass | View |
| Jun 30, 2025 | Retatrutide | 99.741 % | 5.44 mg of 6 mg (-9 %) | Pass | View |
| Jun 30, 2025 | Tirzepatide | 99.853 % | 8.79 mg of 10 mg (-12 %) | Pass | View |
| Jun 27, 2025 | Retatrutide | 99.467 % | 5.25 mg of 6 mg (-13 %) | Pass | View |
| Jun 11, 2025 | Retatrutide | 99.7 % | 12.3 mg of 16 mg (-23 %) | Pass | View |
| May 21, 2025 | PT-141 | 99.636 % | 10.15 mg of 10 mg (2 %) | Pass | View |
| May 21, 2025 | PT-141 | 99.777 % | 10.47 mg of 10 mg (5 %) | Pass | View |
| May 20, 2025 | BPC-157 | 99.703 % | 9.08 mg of 10 mg (-9 %) | Pass | View |
| May 20, 2025 | CJC-1295 | 99.133 % | 4.31 mg of 5 mg (-14 %) | Pass | View |
| May 20, 2025 | CJC-1295 | 99.584 % | 4.35 mg of 5 mg (-13 %) | Pass | View |
| May 20, 2025 | GHK-Cu | 99.814 % | 52.46 mg of 50 mg (5 %) | Pass | View |
| May 20, 2025 | GHK-Cu | 99.852 % | 52.56 mg of 50 mg (5 %) | Pass | View |
| May 20, 2025 | Ipamorelin | 99.127 % | 5.47 mg of 5 mg (9 %) | Pass | View |
| May 8, 2025 | BPC-157 | 99.994 % | 9.2 mg of 10 mg (-8 %) | Pass | View |
| May 8, 2025 | BPC-157 | 99.94 % | 9.1 mg of 10 mg (-9 %) | Pass | View |
| May 8, 2025 | Ipamorelin | 99.951 % | 5.05 mg of 5 mg (1 %) | Pass | View |
| May 8, 2025 | Ipamorelin | 99.967 % | 4.95 mg of 5 mg (-1 %) | Pass | View |
| May 7, 2025 | Retatrutide | 100 % | 13.6 mg of 16 mg (-15 %) | Pass | View |
| May 7, 2025 | Retatrutide | 100 % | 13.6 mg of 16 mg (-15 %) | Pass | View |
| May 7, 2025 | Retatrutide | 6 mg | Fail | View | |
| May 7, 2025 | CJC-1295 | 99.418 % | 4.09 mg of 5 mg (-18 %) | Pass | View |
| May 7, 2025 | Tirzepatide | 98.73 % | 7.79 mg of 10 mg (-22 %) | Pass | View |
| May 7, 2025 | CJC-1295 | 99.479 % | 2.81 mg of 5 mg (-44 %) | Pass | View |
| May 7, 2025 | PT-141 | 99.906 % | 9.4 mg of 10 mg (-6 %) | Pass | View |
| May 7, 2025 | PT-141 | 99.849 % | 9.25 mg of 10 mg (-8 %) | Pass | View |
| May 7, 2025 | Ipamorelin | 99.926 % | 4.94 mg of 5 mg (-1 %) | Pass | View |
What Peptide Sciences sells
No current listings on record.
About Peptide Sciences
On 6 Mar 2026, Peptide Sciences announced it stopped trading. Further purchases from this brand are fraudulent.