GrayPep reviews
4 independent lab tests across 1 product · 99.9% average purity
- 4 HPLC samples across 1 products
- Catalog avg purity 99.9%
- graypep.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 4 measured samples from GrayPep, 3 came in more than 5% under the quantity on the label (75%). Purity across 4 readings ran from 99.8% to 99.9%, median 99.9%. Samples span Mar 2026 to May 2026.
- Under label
- 3/4
- Median purity
- 99.9%
- Latest sample
- May 2026
more than 5% short
99.8%–99.9% range
first tested Mar 2026
Lab testing results
Independent results across 1 product.
Tested products
| Product | Grade | Tests | Avg | Range | Latest | Price | $/mg |
|---|---|---|---|---|---|---|---|
| Tirzepatide | AGREAT | 4 | 100.0% | 99.8% – 99.9% | 5/11/2026 | — | — |
Individual lab tests
Date
5/11/2026
Purity
99.9%
Quantity
60 mg → 60.6 mg
Lab
Krause Analytical
Vial
No Label / Copper Crimp / Clear Cap
Date
3/20/2026
Purity
99.8%
Quantity
30 mg → 27.6 mg
Lab
BTLabs
Vial
No Label / Silver Crimp / Black Cap
Date
3/5/2026
Purity
99.9%
Quantity
20 mg → 17.1 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Green Cap
Date
3/3/2026
Purity
99.9%
Quantity
20 mg → 18.2 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Green Cap
| Product | Date | Score | Purity | Quantity | Lab | COA |
|---|---|---|---|---|---|---|
| TirzepatideNo Label / Copper Crimp / Clear Cap | 5/11/2026 | 10.0 | 99.9% | 60 mg → 60.6 mg | Krause Analytical | View |
| TirzepatideNo Label / Silver Crimp / Black Cap | 3/20/2026 | 10.0 | 99.8% | 30 mg → 27.6 mg | BTLabs | View |
| TirzepatideNo Label / Silver Crimp / Green Cap | 3/5/2026 | 10.0 | 99.9% | 20 mg → 17.1 mg | Krause Analytical | View |
| TirzepatideNo Label / Silver Crimp / Green Cap | 3/3/2026 | 10.0 | 99.9% | 20 mg → 18.2 mg | Krause Analytical | View |
About GrayPep
Finnrick has tested 4 samples from GrayPep across 1 products.