CertaPeptides reviews
2 independent lab tests across 1 product · 99.9% average purity
- 2 HPLC samples across 1 products
- Catalog avg purity 99.9%
- certapeptides.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 2 measured samples from CertaPeptides, 1 came in more than 5% under the quantity on the label (50%). Purity across 2 readings ran from 99.9% to 99.9%, median 99.9%. Samples span Jul 2026 to Jul 2026.
- Under label
- 1/2
- Median purity
- 99.9%
- Latest sample
- Jul 2026
more than 5% short
99.9%–99.9% range
first tested Jul 2026
Lab testing results
Independent results across 1 product.
Tested products
| Product | Grade | Tests | Avg | Range | Latest | Price | $/mg |
|---|---|---|---|---|---|---|---|
| Retatrutide | AGREAT | 2 | 100.0% | 99.9% – 99.9% | 7/17/2026 | — | — |
Individual lab tests
Date
7/17/2026
Purity
99.9%
Quantity
5 mg → 4.74 mg
Lab
Krause Analytical
Vial
White label / Silver crimp / Blue cap
Date
7/17/2026
Purity
99.9%
Quantity
5 mg → 4.94 mg
Lab
Krause Analytical
Vial
White label / Silver crimp / Blue cap
About CertaPeptides
Finnrick has tested 2 samples from CertaPeptides across 1 products.