Nuscience Peptides Reviews
Nuscience Peptides Reviews: 48 independent lab tests across 10 products, averaging 97.1% purity.
- 48 HPLC samples across 10 products
- Catalog avg purity 97.1%
- nusciencepeptides.com
- Independent testing, no pay-to-rank
Boren Health independently tests products and verifies reviews. Public methodology, no pay-to-rank.
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What the testing shows
Across 46 measured samples from Nuscience Peptides, 13 came in more than 5% under the quantity on the label (28%). Another 10 measured more than 5% over. Purity across 48 readings ran from 80.79% to 100%, median 99.1%. Samples span Apr 2025 to May 2026.
- Under label
- 13/46
- Median purity
- 99.1%
- Latest sample
- May 2026
more than 5% short
80.79%–100% range
first tested Apr 2025
Lab testing results
Independent results across 10 products.
Tested products
| Product | Grade | Tests | Avg | Range | Latest | Price | $/mg |
|---|---|---|---|---|---|---|---|
| GHK-Cu | AGREAT | 2 | 100.0% | 100.0% – 100.0% | 5/6/2025 | — | — |
| Semaglutide | EBAD | 14 | 57.1% | 95.9% – 100.0% | 9/10/2025 | — | — |
| BPC-157 | EBAD | 2 | 50.0% | 99.4% – 99.6% | 5/6/2025 | — | — |
| Tirzepatide | EBAD | 6 | 50.0% | 99.0% – 99.9% | 1/15/2026 | — | — |
| Retatrutide | EBAD | 8 | 37.5% | 93.7% – 100.0% | 2/13/2026 | — | — |
| Melanotan II | EBAD | 7 | 14.3% | 97.7% – 99.9% | 5/8/2026 | — | — |
| Ipamorelin | EBAD | 2 | % | 98.7% – 99.0% | 5/7/2025 | — | — |
| CJC-1295 | EBAD | 3 | % | 80.8% – 90.6% | 5/5/2025 | — | — |
| PT-141 | EBAD | 2 | % | 97.0% – 97.3% | 5/7/2025 | — | — |
| Mazdutide | EBAD | 2 | % | 93.2% – 95.9% | 5/6/2025 | — | — |
Individual lab tests
Date
5/8/2026
Purity
99.9%
Quantity
10 mg → 11.9 mg
Lab
BTLabs
Vial
White Label / Silver Crimp / YellowCap
Date
2/13/2026
Purity
99.9%
Quantity
5 mg → 4.89 mg
Lab
Krause Analytical
Vial
White Label / Silver Crimp / Blue Cap
Date
1/15/2026
Purity
99.95%
Quantity
10 mg → 6.53 mg
Lab
Krause Analytical
Vial
No Label / Green Crimp / Violet Cap
Date
9/10/2025
Purity
99.88%
Quantity
5 mg → 5.1 mg
Lab
Krause Analytical
Vial
White Label / Silver Crimp / Black Cap
Date
9/10/2025
Purity
99.95%
Quantity
15 mg → 15.7 mg
Lab
Krause Analytical
Vial
White Label / Black Crimp / White Cap
Date
9/10/2025
Purity
99.89%
Quantity
10 mg → 10.4 mg
Lab
Krause Analytical
Vial
White Label / Black Crimp / White Cap
Date
9/10/2025
Purity
99.94%
Quantity
20 mg → 19.7 mg
Lab
Krause Analytical
Vial
White Label / Copper Crimp / Pink Cap
Date
8/31/2025
Purity
99%
Quantity
5 mg → 4.77 mg
Lab
Krause Analytical
Vial
White Label / Silver Crimp / Yellow Cap
Date
7/23/2025
Purity
100%
Quantity
5 mg → 5.1 mg
Lab
BTLabs
Vial
White Label / Silver Crimp / Black Cap
Date
5/21/2025
Purity
99.254%
Quantity
10 mg → 10.15 mg
Lab
Janoshik
Vial
White Label / Silver Crimp / Yellow Cap
Date
5/21/2025
Purity
99.114%
Quantity
5 mg → 5.47 mg
Lab
Janoshik
Vial
White Label / Silver Crimp / Clear Teal Cap
Date
5/21/2025
Purity
99.107%
Quantity
10 mg → 9.07 mg
Lab
Janoshik
Vial
White Label / Silver Crimp / Yellow Cap
Date
5/21/2025
Purity
99.089%
Quantity
5 mg → 5.55 mg
Lab
Janoshik
Vial
White Label / Silver Crimp / Clear Teal Cap
Date
5/16/2025
Purity
99.86%
Quantity
5 mg → 5.03 mg
Lab
Krause Analytical
Vial
White Label / Silver Crimp / Grey Cap
Date
5/16/2025
Purity
99.86%
Quantity
5 mg → 5.03 mg
Lab
Krause Analytical
Vial
White Label / Silver Crimp / Grey Cap
Date
5/7/2025
Purity
100%
Quantity
5 mg → 5.26 mg
Lab
Krause Analytical
Vial
White Label / Silver Crimp / Grey Cap
Date
5/7/2025
Purity
99.08%
Quantity
5 mg → 4.85 mg
Lab
Krause Analytical
Vial
White Label / Silver Crimp / Black Cap
Date
5/7/2025
Purity
99.04%
Quantity
5 mg → 4.74 mg
Lab
Krause Analytical
Vial
White Label / Silver Crimp / Black Cap
Date
5/7/2025
Purity
100%
Quantity
5 mg → 4.86 mg
Lab
Krause Analytical
Vial
White Label / Silver Crimp / Grey Cap
Date
5/7/2025
Purity
100%
Quantity
5 mg → 5.17 mg
Lab
Krause Analytical
Vial
White Label / Silver Crimp / Grey Cap
Date
5/7/2025
Purity
100%
Quantity
5 mg → 5.13 mg
Lab
Krause Analytical
Vial
White Label / Silver Crimp / Grey Cap
Date
5/7/2025
Purity
99.02%
Quantity
5 mg → 1.73 mg
Lab
Krause Analytical
Vial
White Label / Silver Crimp / Clear Cap
Date
5/7/2025
Purity
98.73%
Quantity
5 mg → 1.76 mg
Lab
Krause Analytical
Vial
White Label / Silver Crimp / Clear Cap
Date
5/7/2025
Purity
97.032%
Quantity
10 mg → 9.1 mg
Lab
Chromate
Vial
White Label / Silver Crimp / Blue Cap
Date
5/7/2025
Purity
97.259%
Quantity
10 mg → 9.07 mg
Lab
Chromate
Vial
White Label / Silver Crimp / Blue Cap
Date
5/6/2025
Purity
95.935%
Quantity
10 mg → 9.8 mg
Lab
Chromate
Vial
White Label / Silver Crimp / Violet Cap
Date
5/6/2025
Purity
99.421%
Quantity
5 mg → 4.09 mg
Lab
Chromate
Vial
White Label / Silver Crimp / Green Cap
Date
5/6/2025
Purity
99.559%
Quantity
5 mg → 4.19 mg
Lab
Chromate
Vial
White Label / Silver Crimp / Green Cap
Date
5/6/2025
Purity
99.961%
Quantity
50 mg → 40.61 mg
Lab
Chromate
Vial
White Label / Silver Crimp / Purple Cap
Date
5/6/2025
Purity
99.972%
Quantity
50 mg → 40.77 mg
Lab
Chromate
Vial
White Label / Silver Crimp / Purple Cap
Date
5/6/2025
Purity
93.168%
Quantity
10 mg → 9.47 mg
Lab
Chromate
Vial
White Label / Silver Crimp / Violet Cap
Date
5/5/2025
Purity
99.56%
Quantity
5 mg → 6.11 mg
Lab
MZ Biolabs
Vial
White Label / Silver Crimp / Black Cap
Date
5/5/2025
Purity
96.92%
Quantity
5 mg → 5.09 mg
Lab
MZ Biolabs
Vial
White Label / Silver Crimp / Grey Cap
Date
5/5/2025
Purity
80.79%
Quantity
5 mg → 3.74 mg
Lab
MZ Biolabs
Vial
White Label / Silver Crimp / Purple Cap
Date
5/5/2025
Purity
95.91%
Quantity
5 mg → 5.17 mg
Lab
MZ Biolabs
Vial
White Label / Silver Crimp / Grey Cap
Date
5/5/2025
Purity
93.68%
Quantity
5 mg → 5.06 mg
Lab
MZ Biolabs
Vial
White Label / Silver Crimp / Black Cap
Date
4/30/2025
Purity
97.656%
Quantity
10 mg → 9.88 mg
Lab
Chromate
Vial
White Label / Silver Crimp / Yellow Cap
Date
4/30/2025
Purity
97.646%
Quantity
10 mg → 9.95 mg
Lab
Chromate
Vial
White Label / Silver Crimp / Yellow Cap
Date
4/30/2025
Purity
97.451%
Quantity
5 mg → 5.24 mg
Lab
Chromate
Vial
White Label / Silver Crimp / Grey Cap
Date
4/30/2025
Purity
97.938%
Quantity
5 mg → 5.26 mg
Lab
Chromate
Vial
White Label / Silver Crimp / Grey Cap
Date
4/22/2025
Purity
88.685%
Quantity
5 mg → 4.08 mg
Lab
Janoshik
Vial
White Label / Silver Crimp / Purple Cap
Date
4/22/2025
Purity
98.796%
Quantity
10 mg → 10.59 mg
Lab
Janoshik
Vial
White Label / Silver Crimp / Yellow Cap
Date
4/22/2025
Purity
93.881%
Quantity
5 mg → 5.19 mg
Lab
Janoshik
Vial
White Label / Silver Crimp / Black Cap
Date
4/22/2025
Purity
94.561%
Quantity
5 mg → 5.27 mg
Lab
Janoshik
Vial
White Label / Silver Crimp / Black Cap
Date
4/22/2025
Purity
99.067%
Quantity
10 mg → 10.32 mg
Lab
Janoshik
Vial
White Label / Silver Crimp / Yellow Cap
Date
4/22/2025
Purity
90.592%
Quantity
5 mg → 4.18 mg
Lab
Janoshik
Vial
White Label / Silver Crimp / Purple Cap
Date
4/14/2025
Purity
99.267%
Quantity
5 mg → 5.38 mg
Lab
Janoshik
Vial
White Label / Silver Crimp / Grey Cap
Date
4/14/2025
Purity
99.238%
Quantity
5 mg → 5.37 mg
Lab
Janoshik
Vial
White Label / Silver Crimp / Grey Cap
| Product | Date | Score | Purity | Quantity | Lab | COA |
|---|---|---|---|---|---|---|
| Melanotan IIWhite Label / Silver Crimp / YellowCap | 5/8/2026 | 10.0 | 99.9% | 10 mg → 11.9 mg | BTLabs | View |
| RetatrutideWhite Label / Silver Crimp / Blue Cap | 2/13/2026 | 10.0 | 99.9% | 5 mg → 4.89 mg | Krause Analytical | View |
| TirzepatideNo Label / Green Crimp / Violet Cap | 1/15/2026 | 10.0 | 99.95% | 10 mg → 6.53 mg | Krause Analytical | View |
| SemaglutideWhite Label / Silver Crimp / Black Cap | 9/10/2025 | 10.0 | 99.88% | 5 mg → 5.1 mg | Krause Analytical | View |
| TirzepatideWhite Label / Black Crimp / White Cap | 9/10/2025 | 10.0 | 99.95% | 15 mg → 15.7 mg | Krause Analytical | View |
| TirzepatideWhite Label / Black Crimp / White Cap | 9/10/2025 | 10.0 | 99.89% | 10 mg → 10.4 mg | Krause Analytical | View |
| SemaglutideWhite Label / Copper Crimp / Pink Cap | 9/10/2025 | 10.0 | 99.94% | 20 mg → 19.7 mg | Krause Analytical | View |
| TirzepatideWhite Label / Silver Crimp / Yellow Cap | 8/31/2025 | 9.9 | 99% | 5 mg → 4.77 mg | Krause Analytical | View |
| RetatrutideWhite Label / Silver Crimp / Black Cap | 7/23/2025 | 10.0 | 100% | 5 mg → 5.1 mg | BTLabs | View |
| Melanotan IIWhite Label / Silver Crimp / Yellow Cap | 5/21/2025 | 9.9 | 99.254% | 10 mg → 10.15 mg | Janoshik | View |
| RetatrutideWhite Label / Silver Crimp / Clear Teal Cap | 5/21/2025 | 9.9 | 99.114% | 5 mg → 5.47 mg | Janoshik | View |
| Melanotan IIWhite Label / Silver Crimp / Yellow Cap | 5/21/2025 | 9.9 | 99.107% | 10 mg → 9.07 mg | Janoshik | View |
| RetatrutideWhite Label / Silver Crimp / Clear Teal Cap | 5/21/2025 | 9.9 | 99.089% | 5 mg → 5.55 mg | Janoshik | View |
| SemaglutideWhite Label / Silver Crimp / Grey Cap | 5/16/2025 | 10.0 | 99.86% | 5 mg → 5.03 mg | Krause Analytical | View |
| SemaglutideWhite Label / Silver Crimp / Grey Cap | 5/16/2025 | 10.0 | 99.86% | 5 mg → 5.03 mg | Krause Analytical | View |
| SemaglutideWhite Label / Silver Crimp / Grey Cap | 5/7/2025 | 10.0 | 100% | 5 mg → 5.26 mg | Krause Analytical | View |
| TirzepatideWhite Label / Silver Crimp / Black Cap | 5/7/2025 | 9.9 | 99.08% | 5 mg → 4.85 mg | Krause Analytical | View |
| TirzepatideWhite Label / Silver Crimp / Black Cap | 5/7/2025 | 9.9 | 99.04% | 5 mg → 4.74 mg | Krause Analytical | View |
| SemaglutideWhite Label / Silver Crimp / Grey Cap | 5/7/2025 | 10.0 | 100% | 5 mg → 4.86 mg | Krause Analytical | View |
| SemaglutideWhite Label / Silver Crimp / Grey Cap | 5/7/2025 | 10.0 | 100% | 5 mg → 5.17 mg | Krause Analytical | View |
| SemaglutideWhite Label / Silver Crimp / Grey Cap | 5/7/2025 | 10.0 | 100% | 5 mg → 5.13 mg | Krause Analytical | View |
| IpamorelinWhite Label / Silver Crimp / Clear Cap | 5/7/2025 | 9.9 | 99.02% | 5 mg → 1.73 mg | Krause Analytical | View |
| IpamorelinWhite Label / Silver Crimp / Clear Cap | 5/7/2025 | 9.9 | 98.73% | 5 mg → 1.76 mg | Krause Analytical | View |
| PT-141White Label / Silver Crimp / Blue Cap | 5/7/2025 | 9.7 | 97.032% | 10 mg → 9.1 mg | Chromate | View |
| PT-141White Label / Silver Crimp / Blue Cap | 5/7/2025 | 9.7 | 97.259% | 10 mg → 9.07 mg | Chromate | View |
| MazdutideWhite Label / Silver Crimp / Violet Cap | 5/6/2025 | 9.6 | 95.935% | 10 mg → 9.8 mg | Chromate | View |
| BPC-157White Label / Silver Crimp / Green Cap | 5/6/2025 | 9.9 | 99.421% | 5 mg → 4.09 mg | Chromate | View |
| BPC-157White Label / Silver Crimp / Green Cap | 5/6/2025 | 10.0 | 99.559% | 5 mg → 4.19 mg | Chromate | View |
| GHK-CuWhite Label / Silver Crimp / Purple Cap | 5/6/2025 | 10.0 | 99.961% | 50 mg → 40.61 mg | Chromate | View |
| GHK-CuWhite Label / Silver Crimp / Purple Cap | 5/6/2025 | 10.0 | 99.972% | 50 mg → 40.77 mg | Chromate | View |
| MazdutideWhite Label / Silver Crimp / Violet Cap | 5/6/2025 | 9.3 | 93.168% | 10 mg → 9.47 mg | Chromate | View |
| RetatrutideWhite Label / Silver Crimp / Black Cap | 5/5/2025 | 10.0 | 99.56% | 5 mg → 6.11 mg | MZ Biolabs | View |
| SemaglutideWhite Label / Silver Crimp / Grey Cap | 5/5/2025 | 9.7 | 96.92% | 5 mg → 5.09 mg | MZ Biolabs | View |
| CJC-1295White Label / Silver Crimp / Purple Cap | 5/5/2025 | 8.1 | 80.79% | 5 mg → 3.74 mg | MZ Biolabs | View |
| SemaglutideWhite Label / Silver Crimp / Grey Cap | 5/5/2025 | 9.6 | 95.91% | 5 mg → 5.17 mg | MZ Biolabs | View |
| RetatrutideWhite Label / Silver Crimp / Black Cap | 5/5/2025 | 9.4 | 93.68% | 5 mg → 5.06 mg | MZ Biolabs | View |
| Melanotan IIWhite Label / Silver Crimp / Yellow Cap | 4/30/2025 | 9.8 | 97.656% | 10 mg → 9.88 mg | Chromate | View |
| Melanotan IIWhite Label / Silver Crimp / Yellow Cap | 4/30/2025 | 9.8 | 97.646% | 10 mg → 9.95 mg | Chromate | View |
| SemaglutideWhite Label / Silver Crimp / Grey Cap | 4/30/2025 | 9.7 | 97.451% | 5 mg → 5.24 mg | Chromate | View |
| SemaglutideWhite Label / Silver Crimp / Grey Cap | 4/30/2025 | 9.8 | 97.938% | 5 mg → 5.26 mg | Chromate | View |
| CJC-1295White Label / Silver Crimp / Purple Cap | 4/22/2025 | 8.9 | 88.685% | 5 mg → 4.08 mg | Janoshik | View |
| Melanotan IIWhite Label / Silver Crimp / Yellow Cap | 4/22/2025 | 9.9 | 98.796% | 10 mg → 10.59 mg | Janoshik | View |
| RetatrutideWhite Label / Silver Crimp / Black Cap | 4/22/2025 | 9.4 | 93.881% | 5 mg → 5.19 mg | Janoshik | View |
| RetatrutideWhite Label / Silver Crimp / Black Cap | 4/22/2025 | 9.5 | 94.561% | 5 mg → 5.27 mg | Janoshik | View |
| Melanotan IIWhite Label / Silver Crimp / Yellow Cap | 4/22/2025 | 9.9 | 99.067% | 10 mg → 10.32 mg | Janoshik | View |
| CJC-1295White Label / Silver Crimp / Purple Cap | 4/22/2025 | 9.1 | 90.592% | 5 mg → 4.18 mg | Janoshik | View |
| SemaglutideWhite Label / Silver Crimp / Grey Cap | 4/14/2025 | 9.9 | 99.267% | 5 mg → 5.38 mg | Janoshik | View |
| SemaglutideWhite Label / Silver Crimp / Grey Cap | 4/14/2025 | 9.9 | 99.238% | 5 mg → 5.37 mg | Janoshik | View |
About Nuscience Peptides
Finnrick has tested 48 samples from Nuscience Peptides across 10 products.
Contact
- US,NM 87111
- nusciencepeptides.com