Nuscience Peptides
Peptide Vendor. Lab-tested. Independently scored.
- 45 HPLC samples across 10 products
- Catalog avg purity 65.2%
- Independent testing, no pay-to-rank
Boren Health independently tests products and verifies reviews. Public methodology, no pay-to-rank.
Lab testing results
Independent results across 10 products.
Tested products
| Product | Grade | Tests | Avg | Range | Latest | Price | $/mg |
|---|---|---|---|---|---|---|---|
| Tirzepatide | AGREAT | 5 | 82.0% | 69.0% – 100.0% | 9/10/2025 | — | — |
| Semaglutide | BGOOD | 14 | 78.0% | 56.0% – 100.0% | 9/10/2025 | — | — |
| Melanotan II | AGREAT | 6 | 75.0% | 69.0% – 85.0% | 5/21/2025 | — | — |
| GHK-Cu | AGREAT | 2 | 72.0% | 72.0% – 72.0% | 5/6/2025 | — | — |
| Retatrutide | AGREAT | 7 | 72.0% | 61.0% – 100.0% | 7/23/2025 | — | — |
| Mazdutide | BGOOD | 2 | 69.0% | 69.0% – 70.0% | 5/6/2025 | — | — |
| BPC-157 | BGOOD | 2 | 63.0% | 61.0% – 66.0% | 5/6/2025 | — | — |
| PT-141 | COKAY | 2 | 57.0% | 57.0% – 57.0% | 5/7/2025 | — | — |
| Ipamorelin | DPOOR | 2 | 43.0% | 42.0% – 45.0% | 5/7/2025 | — | — |
| CJC-1295 | DPOOR | 3 | 41.0% | 38.0% – 44.0% | 5/5/2025 | — | — |
Individual lab tests
Date
9/10/2025
Purity
99.94%
Quantity
20mg → 19.700mg
Lab
Lab E
Date
9/10/2025
Purity
99.88%
Quantity
5mg → 5.100mg
Lab
Lab E
Date
9/10/2025
Purity
99.95%
Quantity
15mg → 15.700mg
Lab
Lab E
Date
9/10/2025
Purity
99.89%
Quantity
10mg → 10.400mg
Lab
Lab E
Date
8/31/2025
Purity
99%
Quantity
5mg → 4.770mg
Lab
Lab E
Date
7/23/2025
Purity
100%
Quantity
5mg → 5.100mg
Lab
Lab G
Date
5/21/2025
Purity
99.11%
Quantity
10mg → 9.070mg
Lab
Lab D
Date
5/16/2025
Purity
99.86%
Quantity
5mg → 5.030mg
Lab
Lab E
Date
5/16/2025
Purity
99.86%
Quantity
5mg → 5.030mg
Lab
Lab E
Date
5/7/2025
Purity
100%
Quantity
5mg → 5.170mg
Lab
Lab E
Date
5/7/2025
Purity
99.04%
Quantity
5mg → 4.740mg
Lab
Lab E
Date
5/7/2025
Purity
99.08%
Quantity
5mg → 4.850mg
Lab
Lab E
Date
5/7/2025
Purity
100%
Quantity
5mg → 5.260mg
Lab
Lab E
Date
5/7/2025
Purity
100%
Quantity
5mg → 5.130mg
Lab
Lab E
Date
5/7/2025
Purity
100%
Quantity
5mg → 4.860mg
Lab
Lab E
Date
5/5/2025
Purity
80.79%
Quantity
5mg → 3.740mg
Lab
Lab B
Date
5/5/2025
Purity
96.92%
Quantity
5mg → 5.090mg
Lab
Lab B
Date
5/5/2025
Purity
95.91%
Quantity
5mg → 5.170mg
Lab
Lab B
Date
4/30/2025
Purity
97.45%
Quantity
5mg → 5.241mg
Lab
Lab A
Date
4/30/2025
Purity
97.94%
Quantity
5mg → 5.255mg
Lab
Lab A
Date
4/22/2025
Purity
90.59%
Quantity
5mg → 4.180mg
Lab
Lab D
Date
4/22/2025
Purity
88.69%
Quantity
5mg → 4.080mg
Lab
Lab D
Date
4/14/2025
Purity
99.27%
Quantity
5mg → 5.380mg
Lab
Lab D
Date
4/14/2025
Purity
99.24%
Quantity
5mg → 5.370mg
Lab
Lab D
| Product | Date | Score | Purity | Quantity | Lab |
|---|---|---|---|---|---|
| Semaglutide | 9/10/2025 | 7.3 | 99.94% | 20mg → 19.700mg | Lab E |
| Semaglutide | 9/10/2025 | 7.4 | 99.88% | 5mg → 5.100mg | Lab E |
| Tirzepatide | 9/10/2025 | 10.0 | 99.95% | 15mg → 15.700mg | Lab E |
| Tirzepatide | 9/10/2025 | 6.9 | 99.89% | 10mg → 10.400mg | Lab E |
| Tirzepatide | 8/31/2025 | 8.0 | 99% | 5mg → 4.770mg | Lab E |
| Retatrutide | 7/23/2025 | 10.0 | 100% | 5mg → 5.100mg | Lab G |
| Melanotan II | 5/21/2025 | 6.9 | 99.11% | 10mg → 9.070mg | Lab D |
| Semaglutide | 5/16/2025 | 8.9 | 99.86% | 5mg → 5.030mg | Lab E |
| Semaglutide | 5/16/2025 | 8.9 | 99.86% | 5mg → 5.030mg | Lab E |
| Semaglutide | 5/7/2025 | 9.0 | 100% | 5mg → 5.170mg | Lab E |
| Tirzepatide | 5/7/2025 | 8.0 | 99.04% | 5mg → 4.740mg | Lab E |
| Tirzepatide | 5/7/2025 | 8.2 | 99.08% | 5mg → 4.850mg | Lab E |
| Semaglutide | 5/7/2025 | 8.6 | 100% | 5mg → 5.260mg | Lab E |
| Semaglutide | 5/7/2025 | 10.0 | 100% | 5mg → 5.130mg | Lab E |
| Semaglutide | 5/7/2025 | 10.0 | 100% | 5mg → 4.860mg | Lab E |
| CJC-1295 | 5/5/2025 | 3.8 | 80.79% | 5mg → 3.740mg | Lab B |
| Semaglutide | 5/5/2025 | 6.0 | 96.92% | 5mg → 5.090mg | Lab B |
| Semaglutide | 5/5/2025 | 6.0 | 95.91% | 5mg → 5.170mg | Lab B |
| Semaglutide | 4/30/2025 | 5.7 | 97.45% | 5mg → 5.241mg | Lab A |
| Semaglutide | 4/30/2025 | 5.6 | 97.94% | 5mg → 5.255mg | Lab A |
| CJC-1295 | 4/22/2025 | 4.4 | 90.59% | 5mg → 4.180mg | Lab D |
| CJC-1295 | 4/22/2025 | 4.1 | 88.69% | 5mg → 4.080mg | Lab D |
| Semaglutide | 4/14/2025 | 7.7 | 99.27% | 5mg → 5.380mg | Lab D |
| Semaglutide | 4/14/2025 | 7.7 | 99.24% | 5mg → 5.370mg | Lab D |
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