Vendor review
Zen Peptides reviews
Zen Peptides reviews from 35 independent lab tests (Retatrutide, Tesamorelin and Tirzepatide): grade A, purity and fill accuracy. Is Zen Peptides legit? See what its vials showed.
What the lab tests show
35 tests on record, newest first. Scores are purity divided by ten.
| Date | Product | Purity | Quantity | Identity | Certificate |
|---|---|---|---|---|---|
| Sep 24, 2026 | Tirzepatide | 99.9 % | 52 mg of 60 mg (-13 %) | Pass | View |
| Sep 24, 2026 | Retatrutide | 99.9 % | 18.9 mg of 20 mg (-6 %) | Pass | View |
| Jul 20, 2026 | Retatrutide | 20 mg | Fail | View | |
| Mar 18, 2026 | NAD+ | 99.5 % | 1340 mg of 1000 mg (34 %) | Pass | View |
| Mar 4, 2026 | Tirzepatide | 99.9 % | 59.7 mg of 60 mg (-1 %) | Pass | View |
| Mar 4, 2026 | BPC-157 | 99.84 % | 10.2 mg of 10 mg (2 %) | Pass | View |
| Mar 3, 2026 | Retatrutide | 99.78 % | 25 mg of 30 mg (-17 %) | Pass | View |
| Mar 3, 2026 | Retatrutide | 99.81 % | 9.88 mg of 10 mg (-1 %) | Pass | View |
| Mar 1, 2026 | NAD+ | 99.9 % | 257.3 mg of 1000 mg (-74 %) | Pass | View |
| Feb 20, 2026 | Tirzepatide | 99.81 % | 35.2 mg of 30 mg (17 %) | Pass | View |
| Feb 19, 2026 | NAD+ | 99.78 % | 1020 mg of 1000 mg (2 %) | Pass | View |
| Feb 19, 2026 | Tesamorelin | 98 % | 8.51 mg of 10 mg (-15 %) | Pass | View |
| Feb 15, 2026 | Tesamorelin | 99.7 % | 12.6 mg of 10 mg (26 %) | Pass | View |
| Feb 10, 2026 | Retatrutide | 99.7 % | 10.5 mg of 10 mg (5 %) | Pass | View |
| Jan 19, 2026 | Tesamorelin | 85.72 % | 8.97 mg of 10 mg (-10 %) | Pass | View |
| Jan 7, 2026 | Retatrutide | 99.8 % | 9.8 mg of 10 mg (-2 %) | Pass | View |
| Jan 7, 2026 | Ipamorelin | 99.5 % | 4.6 mg of 5 mg (-8 %) | Pass | View |
| Jan 1, 2026 | Retatrutide | 99.6 % | 17.5 mg of 15 mg (17 %) | Pass | View |
| Dec 17, 2025 | Tesamorelin | 99.87 % | 19.7 mg of 20 mg (-2 %) | Pass | View |
| Dec 17, 2025 | GHK-Cu | 99.95 % | 59.1 mg of 50 mg (18 %) | Pass | View |
| Dec 13, 2025 | Tirzepatide | 99.5 % | 4.13 mg of 10 mg (-59 %) | Pass | View |
| Dec 10, 2025 | Retatrutide | 99.2 % | 8.65 mg of 10 mg (-14 %) | Pass | View |
| Nov 18, 2025 | GHK-Cu | 99.95 % | 51.7 mg of 50 mg (3 %) | Pass | View |
| Nov 17, 2025 | Retatrutide | 99.81 % | 9.56 mg of 10 mg (-4 %) | Pass | View |
| Nov 17, 2025 | Retatrutide | 98.93 % | 5.14 mg of 5 mg (3 %) | Pass | View |
| Nov 17, 2025 | Tesamorelin | 98.4 % | 25.7 mg of 20 mg (29 %) | Pass | View |
| Nov 4, 2025 | Tesamorelin | 99.47 % | 9.78 mg of 10 mg (-2 %) | Pass | View |
| Nov 4, 2025 | GHK-Cu | 99.95 % | 105 mg of 100 mg (5 %) | Pass | View |
| Oct 24, 2025 | Tirzepatide | 99.8 % | 11.29 mg of 10 mg (13 %) | Pass | View |
| Oct 24, 2025 | BPC-157 | 99.6 % | 5.8 mg of 5 mg (16 %) | Pass | View |
| Oct 24, 2025 | Ipamorelin | 99.9 % | 10.2 mg of 10 mg (2 %) | Pass | View |
| Oct 23, 2025 | Retatrutide | 98.83 % | 10.6 mg of 10 mg (6 %) | Pass | View |
| Oct 23, 2025 | GHK-Cu | 99.95 % | 53.2 mg of 50 mg (6 %) | Pass | View |
| Oct 23, 2025 | Ipamorelin | 99.13 % | 10.2 mg of 10 mg (2 %) | Pass | View |
| Aug 21, 2025 | BPC-157 | 99.59 % | 4.61 mg of 10 mg (-54 %) | Pass | View |
What Zen Peptides sells
No current listings on record.
About Zen Peptides
Finnrick has tested 35 samples from Zen Peptides across 7 products.