Cocer Peptides reviews
9 independent lab tests across 2 products · 99.8% average purity
- 9 HPLC samples across 2 products
- Catalog avg purity 99.8%
- www.cocerpeptides.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 7 measured samples from Cocer Peptides, 0 came in more than 5% under the quantity on the label (0%). Another 4 measured more than 5% over. Purity across 8 readings ran from 99.59% to 99.95%, median 99.8%. Samples span Oct 2025 to Jun 2026.
- Under label
- 0/7
- Median purity
- 99.8%
- Latest sample
- Jun 2026
- Ships from
- China
more than 5% short
99.59%–99.95% range
first tested Oct 2025
per vendor listing
Lab testing results
Independent results across 2 products.
Tested products
| Product | Grade | Tests | Avg | Range | Latest | Price | $/mg |
|---|---|---|---|---|---|---|---|
| Retatrutide | DPOOR | 5 | 60.0% | 99.6% – 99.9% | 6/16/2026 | — | — |
| Tesamorelin | EBAD | 4 | 50.0% | 99.7% – 99.9% | 6/8/2026 | — | — |
Individual lab tests
Date
6/16/2026
Purity
—
Quantity
—
Lab
BTLabs
Vial
White label / Silver crimp / Blue cap
Date
6/8/2026
Purity
99.8%
Quantity
20 mg → 28.4 mg
Lab
BTLabs
Vial
No label / Black crimp / Blue cap
Date
3/12/2026
Purity
99.9%
Quantity
10 mg → 10.2 mg
Lab
Krause Analytical
Vial
White Label / Blue Crimp / Clear Green Cap
Date
3/12/2026
Purity
99.9%
Quantity
10 mg → 10.4 mg
Lab
Krause Analytical
Vial
White Label / Silver Crimp / Black Cap
Date
2/4/2026
Purity
99.7%
Quantity
10 mg → 15 mg
Lab
BTLabs
Vial
White Label / Black Crimp / Clear Pink Cap
Date
2/4/2026
Purity
99.8%
Quantity
30 mg → 30 mg
Lab
BTLabs
Vial
No Label / Blue Crimp / Blue Cap
Date
1/15/2026
Purity
99.8%
Quantity
10 mg → 23.9 mg
Lab
BTLabs
Vial
No Label / Black Crimp / Yellow Cap
Date
12/11/2025
Purity
99.95%
Quantity
10 mg → 11.8 mg
Lab
Krause Analytical
Vial
No Label / Gold Crimp / Clear Red Cap
Date
10/21/2025
Purity
99.59%
Quantity
10 mg → 10.6 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / White Cap
| Product | Date | Score | Purity | Quantity | Lab | COA |
|---|---|---|---|---|---|---|
| RetatrutideWhite label / Silver crimp / Blue cap | 6/16/2026 | — | — | BTLabs | View | |
| TesamorelinNo label / Black crimp / Blue cap | 6/8/2026 | 10.0 | 99.8% | 20 mg → 28.4 mg | BTLabs | View |
| RetatrutideWhite Label / Blue Crimp / Clear Green Cap | 3/12/2026 | 10.0 | 99.9% | 10 mg → 10.2 mg | Krause Analytical | View |
| TesamorelinWhite Label / Silver Crimp / Black Cap | 3/12/2026 | 10.0 | 99.9% | 10 mg → 10.4 mg | Krause Analytical | View |
| TesamorelinWhite Label / Black Crimp / Clear Pink Cap | 2/4/2026 | 10.0 | 99.7% | 10 mg → 15 mg | BTLabs | View |
| RetatrutideNo Label / Blue Crimp / Blue Cap | 2/4/2026 | 10.0 | 99.8% | 30 mg → 30 mg | BTLabs | View |
| RetatrutideNo Label / Black Crimp / Yellow Cap | 1/15/2026 | 10.0 | 99.8% | 10 mg → 23.9 mg | BTLabs | View |
| TesamorelinNo Label / Gold Crimp / Clear Red Cap | 12/11/2025 | 10.0 | 99.95% | 10 mg → 11.8 mg | Krause Analytical | View |
| RetatrutideNo Label / Silver Crimp / White Cap | 10/21/2025 | 10.0 | 99.59% | 10 mg → 10.6 mg | Krause Analytical | View |
About Cocer Peptides
Finnrick has tested 9 samples from Cocer Peptides across 2 products.