Is Purepeptides Legit
Is Purepeptides Legit? 21 independent lab tests across 4 products, averaging 94.3% purity.
- 21 HPLC samples across 4 products
- Catalog avg purity 94.3%
- purepeptides.bio
- Independent testing, no pay-to-rank
Boren Health independently tests products and verifies reviews. Public methodology, no pay-to-rank.
Track PurePeptides
Create a free account to save this vendor, get alerts for new lab tests, and watch price changes.
What the testing shows
Across 19 measured samples from PurePeptides, 6 came in more than 5% under the quantity on the label (32%). Another 11 measured more than 5% over. Purity across 19 readings ran from 71.09% to 99.98%, median 99.81%. Samples span Feb 2025 to Aug 2026.
- Under label
- 6/19
- Median purity
- 99.81%
- Latest sample
- Aug 2026
more than 5% short
71.09%–99.98% range
first tested Feb 2025
Lab testing results
Independent results across 4 products.
Tested products
| Product | Grade | Tests | Avg | Range | Latest | Price | $/mg |
|---|---|---|---|---|---|---|---|
| Tirzepatide | AGREAT | 6 | 100.0% | 99.6% – 100.0% | 9/4/2025 | — | — |
| Retatrutide | COKAY | 7 | 71.4% | 99.7% – 99.9% | 7/13/2026 | — | — |
| Tesamorelin | EBAD | 4 | 50.0% | 99.9% – 99.9% | 8/12/2026 | — | — |
| Ipamorelin | EBAD | 4 | % | 71.1% – 80.0% | 3/20/2025 | — | — |
Individual lab tests
Date
8/12/2026
Purity
99.9%
Quantity
10 mg → 5.45 mg
Lab
Krause Analytical
Vial
Silver label / Silver crimp / White cap
Date
7/13/2026
Purity
—
Quantity
—
Lab
Krause Analytical
Vial
White label / Silver crimp / White cap
Date
7/13/2026
Purity
—
Quantity
—
Lab
Krause Analytical
Vial
White label / Silver crimp / Red cap
Date
3/19/2026
Purity
99.9%
Quantity
10 mg → 14.4 mg
Lab
Krause Analytical
Vial
White Label / Silver Crimp / Yellow Cap
Date
3/2/2026
Purity
99.9%
Quantity
10 mg → 10.5 mg
Lab
Krause Analytical
Vial
White Label / Silver Crimp / Black Cap
Date
1/19/2026
Purity
99.95%
Quantity
5 mg → 5.63 mg
Lab
Krause Analytical
Vial
White Label / Silver Crimp / Violet Cap
Date
1/15/2026
Purity
99.95%
Quantity
10 mg → 9.56 mg
Lab
Krause Analytical
Vial
White Label / Silver Crimp / Black Cap
Date
9/4/2025
Purity
99.79%
Quantity
30 mg → 28.1 mg
Lab
Krause Analytical
Vial
White Label / Silver Crimp / Clear Yellow Cap
Date
8/11/2025
Purity
99.9%
Quantity
60 mg → 65.7 mg
Lab
Krause Analytical
Vial
No Label / Black Crimp / Clear Cap
Date
3/20/2025
Purity
99.98%
Quantity
10 mg → 11.4 mg
Lab
MZ Biolabs
Vial
White Label / Silver Crimp / Clear Blue Cap
Date
3/20/2025
Purity
79.31%
Quantity
2 mg → 1.44 mg
Lab
MZ Biolabs
Vial
White Label / Silver Crimp / Yellow Cap
Date
3/20/2025
Purity
99.93%
Quantity
10 mg → 11.86 mg
Lab
MZ Biolabs
Vial
White Label / Silver Crimp / Clear Purple Cap
Date
3/5/2025
Purity
79.975%
Quantity
2 mg → 1.23 mg
Lab
TrustPointe
Vial
White Label / Silver Crimp / Yellow Cap
Date
3/5/2025
Purity
79.838%
Quantity
2 mg → 1.18 mg
Lab
TrustPointe
Vial
White Label / Silver Crimp / Yellow Cap
Date
2/28/2025
Purity
99.806%
Quantity
10 mg → 11.73 mg
Lab
TrustPointe
Vial
White Label / Silver Crimp / Clear Blue Cap
Date
2/28/2025
Purity
99.651%
Quantity
10 mg → 11.67 mg
Lab
TrustPointe
Vial
White Label / Silver Crimp / Clear Purple Cap
Date
2/28/2025
Purity
99.753%
Quantity
10 mg → 11.34 mg
Lab
TrustPointe
Vial
White Label / Silver Crimp / Clear Purple Cap
Date
2/28/2025
Purity
99.607%
Quantity
10 mg → 11.77 mg
Lab
TrustPointe
Vial
White Label / Silver Crimp / Clear Blue Cap
Date
2/27/2025
Purity
99.896%
Quantity
10 mg → 10.67 mg
Lab
Chromate
Vial
White Label / Silver Crimp / Clear Purple Cap
Date
2/27/2025
Purity
99.732%
Quantity
10 mg → 11.98 mg
Lab
Chromate
Vial
White Label / Silver Crimp / Clear Blue Cap
Date
2/27/2025
Purity
71.093%
Quantity
2 mg → 1.25 mg
Lab
Chromate
Vial
White Label / Silver Crimp / Yellow Cap
| Product | Date | Score | Purity | Quantity | Lab | COA |
|---|---|---|---|---|---|---|
| TesamorelinSilver label / Silver crimp / White cap | 8/12/2026 | 10.0 | 99.9% | 10 mg → 5.45 mg | Krause Analytical | View |
| RetatrutideWhite label / Silver crimp / White cap | 7/13/2026 | — | — | Krause Analytical | View | |
| TesamorelinWhite label / Silver crimp / Red cap | 7/13/2026 | — | — | Krause Analytical | View | |
| RetatrutideWhite Label / Silver Crimp / Yellow Cap | 3/19/2026 | 10.0 | 99.9% | 10 mg → 14.4 mg | Krause Analytical | View |
| TesamorelinWhite Label / Silver Crimp / Black Cap | 3/2/2026 | 10.0 | 99.9% | 10 mg → 10.5 mg | Krause Analytical | View |
| RetatrutideWhite Label / Silver Crimp / Violet Cap | 1/19/2026 | 10.0 | 99.95% | 5 mg → 5.63 mg | Krause Analytical | View |
| TesamorelinWhite Label / Silver Crimp / Black Cap | 1/15/2026 | 10.0 | 99.95% | 10 mg → 9.56 mg | Krause Analytical | View |
| TirzepatideWhite Label / Silver Crimp / Clear Yellow Cap | 9/4/2025 | 10.0 | 99.79% | 30 mg → 28.1 mg | Krause Analytical | View |
| TirzepatideNo Label / Black Crimp / Clear Cap | 8/11/2025 | 10.0 | 99.9% | 60 mg → 65.7 mg | Krause Analytical | View |
| TirzepatideWhite Label / Silver Crimp / Clear Blue Cap | 3/20/2025 | 10.0 | 99.98% | 10 mg → 11.4 mg | MZ Biolabs | View |
| IpamorelinWhite Label / Silver Crimp / Yellow Cap | 3/20/2025 | 7.9 | 79.31% | 2 mg → 1.44 mg | MZ Biolabs | View |
| RetatrutideWhite Label / Silver Crimp / Clear Purple Cap | 3/20/2025 | 10.0 | 99.93% | 10 mg → 11.86 mg | MZ Biolabs | View |
| IpamorelinWhite Label / Silver Crimp / Yellow Cap | 3/5/2025 | 8.0 | 79.975% | 2 mg → 1.23 mg | TrustPointe | View |
| IpamorelinWhite Label / Silver Crimp / Yellow Cap | 3/5/2025 | 8.0 | 79.838% | 2 mg → 1.18 mg | TrustPointe | View |
| TirzepatideWhite Label / Silver Crimp / Clear Blue Cap | 2/28/2025 | 10.0 | 99.806% | 10 mg → 11.73 mg | TrustPointe | View |
| RetatrutideWhite Label / Silver Crimp / Clear Purple Cap | 2/28/2025 | 10.0 | 99.651% | 10 mg → 11.67 mg | TrustPointe | View |
| RetatrutideWhite Label / Silver Crimp / Clear Purple Cap | 2/28/2025 | 10.0 | 99.753% | 10 mg → 11.34 mg | TrustPointe | View |
| TirzepatideWhite Label / Silver Crimp / Clear Blue Cap | 2/28/2025 | 10.0 | 99.607% | 10 mg → 11.77 mg | TrustPointe | View |
| RetatrutideWhite Label / Silver Crimp / Clear Purple Cap | 2/27/2025 | 10.0 | 99.896% | 10 mg → 10.67 mg | Chromate | View |
| TirzepatideWhite Label / Silver Crimp / Clear Blue Cap | 2/27/2025 | 10.0 | 99.732% | 10 mg → 11.98 mg | Chromate | View |
| IpamorelinWhite Label / Silver Crimp / Yellow Cap | 2/27/2025 | 7.1 | 71.093% | 2 mg → 1.25 mg | Chromate | View |
About PurePeptides
Finnrick has tested 21 samples from PurePeptides across 4 products.