Vendor review
Qingdao Sigma Chemical QSC reviews
Qingdao Sigma Chemical QSC reviews from 50 independent lab tests (Tirzepatide, Retatrutide and GHK-Cu): grade A, purity and fill accuracy. Is Qingdao Sigma Chemical QSC legit? See what its vials showed.
What the lab tests show
50 tests on record, newest first. Scores are purity divided by ten.
| Date | Product | Purity | Quantity | Identity | Certificate |
|---|---|---|---|---|---|
| Oct 6, 2026 | BPC-157 | 99.6 % | 22.8 mg of 20 mg (14 %) | Pass | View |
| Sep 30, 2026 | Retatrutide | 99.9 % | 29.99 mg of 30 mg (0 %) | Pass | View |
| Sep 16, 2026 | Retatrutide | 99.9 % | 64.4 mg of 60 mg (7 %) | Pass | View |
| Aug 28, 2026 | GHK-Cu | 99.7 % | 50.4 mg of 50 mg (1 %) | Pass | View |
| Aug 6, 2026 | Tirzepatide | 99.9 % | 33 mg of 30 mg (10 %) | Pass | View |
| Jul 23, 2026 | GHK-Cu | 99.9 % | 45.9 mg of 50 mg (-8 %) | Pass | View |
| Jul 13, 2026 | Retatrutide | 99.9 % | 30.5 mg of 30 mg (2 %) | Pass | View |
| Jul 13, 2026 | HGH | 98.7 % | 35.3 IU of 36 IU (-2 %) | Pass | View |
| Jun 8, 2026 | Tirzepatide | 99.9 % | 66.6 mg of 60 mg (11 %) | Pass | View |
| May 27, 2026 | Tirzepatide | 99.5 % | 47.1 mg of 50 mg (-6 %) | Pass | View |
| May 20, 2026 | CJC-1295 | 99.9 % | 4.96 mg of 5 mg (-1 %) | Pass | View |
| May 13, 2026 | GHK-Cu | 99.3 % | 89.3 mg of 100 mg (-11 %) | Pass | View |
| May 5, 2026 | Tirzepatide | 99.9 % | 31.3 mg of 30 mg (4 %) | Pass | View |
| Mar 25, 2026 | Tirzepatide | 99.8 % | 10.4 mg of 10 mg (4 %) | Pass | View |
| Mar 25, 2026 | Tirzepatide | 99.9 % | 69.2 mg of 60 mg (15 %) | Pass | View |
| Mar 25, 2026 | Tirzepatide | 99.9 % | 32.5 mg of 30 mg (8 %) | Pass | View |
| Mar 18, 2026 | Retatrutide | 99.9 % | 11.3 mg of 10 mg (13 %) | Pass | View |
| Mar 10, 2026 | GHK-Cu | 99.9 % | 86.6 mg of 100 mg (-13 %) | Pass | View |
| Mar 10, 2026 | Retatrutide | 99.9 % | 9.86 mg of 10 mg (-1 %) | Pass | View |
| Mar 10, 2026 | Retatrutide | 99.9 % | 27.9 mg of 30 mg (-7 %) | Pass | View |
| Mar 10, 2026 | Tirzepatide | 99.9 % | 26.2 mg of 30 mg (-13 %) | Pass | View |
| Mar 4, 2026 | GHK-Cu | 99.6 % | 151.5 mg of 100 mg (52 %) | Pass | View |
| Mar 4, 2026 | Retatrutide | 99.9 % | 26.7 mg of 30 mg (-11 %) | Pass | View |
| Feb 22, 2026 | Retatrutide | 99.28 % | 20.6 mg of 20 mg (3 %) | Pass | View |
| Feb 20, 2026 | Retatrutide | 99.9 % | 14.7 mg of 10 mg (47 %) | Pass | View |
| Feb 20, 2026 | Tirzepatide | 99.87 % | 11.7 mg of 10 mg (17 %) | Pass | View |
| Feb 11, 2026 | Retatrutide | 99.9 % | 48.6 mg of 45 mg (8 %) | Pass | View |
| Feb 2, 2026 | BPC-157 | 99.45 % | 18.8 mg of 20 mg (-6 %) | Pass | View |
| Jan 26, 2026 | Retatrutide | 99.8 % | 35.6 mg of 30 mg (19 %) | Pass | View |
| Jan 26, 2026 | Tirzepatide | 99.9 % | 31.9 mg of 30 mg (6 %) | Pass | View |
| Jan 26, 2026 | Tirzepatide | 99.9 % | 20.2 mg of 20 mg (1 %) | Pass | View |
| Jan 15, 2026 | Retatrutide | 99.8 % | 11.2 mg of 10 mg (12 %) | Pass | View |
| Jan 15, 2026 | CJC-1295 | 99.6 % | 10 mg of 5 mg (100 %) | Pass | View |
| Dec 29, 2025 | Retatrutide | 99.6 % | 10.2 mg of 10 mg (2 %) | Pass | View |
| Dec 11, 2025 | Retatrutide | 99.48 % | 14.9 mg of 15 mg (-1 %) | Pass | View |
| Nov 6, 2025 | BPC-157 | 99.11 % | 19.9 mg of 20 mg (-1 %) | Pass | View |
| Oct 29, 2025 | Retatrutide | 98.32 % | 17.3 mg of 20 mg (-14 %) | Pass | View |
| Oct 29, 2025 | Tirzepatide | 99.8 % | 45.3 mg of 50 mg (-9 %) | Pass | View |
| Oct 21, 2025 | GHK-Cu | 99.95 % | 86.2 mg of 75 mg (15 %) | Pass | View |
| Oct 21, 2025 | CJC-1295 | 98.17 % | 10.9 mg of 10 mg (9 %) | Pass | View |
| Oct 21, 2025 | CJC-1295 | 93.9 % | 10.3 mg of 10 mg (3 %) | Pass | View |
| Oct 21, 2025 | BPC-157 | 99.64 % | 21 mg of 20 mg (5 %) | Pass | View |
| Oct 17, 2025 | Retatrutide | 95.99 % | 17 mg of 20 mg (-15 %) | Pass | View |
| Oct 17, 2025 | Tirzepatide | 99.44 % | 10.3 mg of 10 mg (3 %) | Pass | View |
| Oct 17, 2025 | Retatrutide | 94.62 % | 13.6 mg of 15 mg (-9 %) | Pass | View |
| Oct 17, 2025 | Tirzepatide | 99.95 % | 54.8 mg of 50 mg (10 %) | Pass | View |
| Oct 17, 2025 | Tirzepatide | 99.37 % | 10.5 mg of 10 mg (5 %) | Pass | View |
| Oct 3, 2025 | Tirzepatide | 99.68 % | 60.4 mg of 60 mg (1 %) | Pass | View |
| Sep 18, 2025 | Tirzepatide | 99.92 % | 36.9 mg of 40 mg (-8 %) | Pass | View |
| Jul 2, 2025 | Tirzepatide | 99.11 % | 9.76 mg of 10 mg (-2 %) | Pass | View |
What Qingdao Sigma Chemical QSC sells
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About Qingdao Sigma Chemical QSC
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