YB Peptide reviews
22 independent lab tests across 4 products · 99.3% average purity
- 22 HPLC samples across 4 products
- Catalog avg purity 99.3%
- www.ybpeptide.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 21 measured samples from YB Peptide, 3 came in more than 5% under the quantity on the label (14%). Another 7 measured more than 5% over. Purity across 21 readings ran from 91.7% to 99.95%, median 99.8%. Samples span Jul 2025 to Jun 2026.
- Under label
- 3/21
- Median purity
- 99.8%
- Latest sample
- Jun 2026
- Ships from
- China
more than 5% short
91.7%–99.95% range
first tested Jul 2025
per vendor listing
Lab testing results
Independent results across 4 products.
Tested products
| Product | Grade | Tests | Avg | Range | Latest | Price | $/mg |
|---|---|---|---|---|---|---|---|
| Retatrutide | AGREAT | 8 | 100.0% | 99.5% – 99.9% | 4/28/2026 | — | — |
| BPC-157 | BGOOD | 5 | 80.0% | 99.7% – 99.9% | 3/10/2026 | — | — |
| Tesamorelin | DPOOR | 5 | 60.0% | 91.7% – 99.9% | 4/28/2026 | — | — |
| Tirzepatide | EBAD | 4 | 50.0% | 98.6% – 99.9% | 6/1/2026 | — | — |
Individual lab tests
Date
6/1/2026
Purity
99.6%
Quantity
30 mg → 36.1 mg
Lab
Krause Analytical
Vial
White label / Copper crimp / Clear cap
Date
4/28/2026
Purity
99.9%
Quantity
30 mg → 30.8 mg
Lab
Krause Analytical
Vial
Clear Label / Silver Crimp / Clear Yellow Cap
Date
4/28/2026
Purity
99.5%
Quantity
10 mg → 10.2 mg
Lab
Krause Analytical
Vial
Clear Label / Silver Crimp / White Cap
Date
3/12/2026
Purity
99.9%
Quantity
10 mg → 9.07 mg
Lab
Krause Analytical
Vial
White Label / Silver Crimp / White Cap
Date
3/12/2026
Purity
99.9%
Quantity
10 mg → 9.62 mg
Lab
Krause Analytical
Vial
White Label / Silver Crimp / Green Cap
Date
3/10/2026
Purity
99.9%
Quantity
10 mg → 9.56 mg
Lab
Krause Analytical
Vial
White Label / Silver Crimp / Blue Cap
Date
2/10/2026
Purity
99.5%
Quantity
5 mg → 5.4 mg
Lab
BTLabs
Vial
No Label / Silver Crimp / Blue Cap
Date
1/9/2026
Purity
99.67%
Quantity
10 mg → 11.2 mg
Lab
Krause Analytical
Vial
White Label / Silver Crimp / Black Cap
Date
12/29/2025
Purity
99.8%
Quantity
20 mg → 27.4 mg
Lab
BTLabs
Vial
White Label / Silver Crimp / Gray Cap
Date
12/29/2025
Purity
99.7%
Quantity
20 mg → 21.6 mg
Lab
BTLabs
Vial
White Label / Copper Crimp / Clear Cap
Date
12/23/2025
Purity
99.72%
Quantity
10 mg → 10.4 mg
Lab
Krause Analytical
Vial
No Label / Green Crimp / Blue Cap
Date
11/25/2025
Purity
99.95%
Quantity
9.89 mg → 8.49 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Clear Green Cap
Date
11/25/2025
Purity
99.95%
Quantity
10 mg → 9.85 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Clear Green Cap
Date
11/25/2025
Purity
—
Quantity
—
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Violet Cap
Date
10/9/2025
Purity
91.7%
Quantity
10 mg → 9.75 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Black Cap
Date
9/18/2025
Purity
99.95%
Quantity
10 mg → 9 mg
Lab
Krause Analytical
Vial
No Label / Blue Crimp / Clear Cap
Date
9/15/2025
Purity
99.68%
Quantity
10 mg → 9.69 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Blue Cap
Date
9/10/2025
Purity
99.87%
Quantity
10 mg → 10.3 mg
Lab
Krause Analytical
Vial
White Label / Silver Crimp / Yellow Cap
Date
9/1/2025
Purity
99.39%
Quantity
10 mg → 11.06 mg
Lab
Freedom Diagnostics
Vial
White Label / Silver Crimp / Black Cap
Date
8/21/2025
Purity
99.93%
Quantity
10 mg → 10.1 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Clear Blue Cap
Date
7/28/2025
Purity
98.632%
Quantity
15 mg → 16.69 mg
Lab
Chromate
Vial
No Label / Silver Crimp / Blue Cap
| Product | Date | Score | Purity | Quantity | Lab | COA |
|---|---|---|---|---|---|---|
| TirzepatideWhite label / Copper crimp / Clear cap | 6/1/2026 | 10.0 | 99.6% | 30 mg → 36.1 mg | Krause Analytical | View |
| RetatrutideClear Label / Silver Crimp / Clear Yellow Cap | 4/28/2026 | 10.0 | 99.9% | 30 mg → 30.8 mg | Krause Analytical | View |
| TesamorelinClear Label / Silver Crimp / White Cap | 4/28/2026 | 9.9 | 99.5% | 10 mg → 10.2 mg | Krause Analytical | View |
| TesamorelinWhite Label / Silver Crimp / White Cap | 3/12/2026 | 10.0 | 99.9% | 10 mg → 9.07 mg | Krause Analytical | View |
| RetatrutideWhite Label / Silver Crimp / Green Cap | 3/12/2026 | 10.0 | 99.9% | 10 mg → 9.62 mg | Krause Analytical | View |
| BPC-157White Label / Silver Crimp / Blue Cap | 3/10/2026 | 10.0 | 99.9% | 10 mg → 9.56 mg | Krause Analytical | View |
| RetatrutideNo Label / Silver Crimp / Blue Cap | 2/10/2026 | 9.9 | 99.5% | 5 mg → 5.4 mg | BTLabs | View |
| TesamorelinWhite Label / Silver Crimp / Black Cap | 1/9/2026 | 10.0 | 99.67% | 10 mg → 11.2 mg | Krause Analytical | View |
| TirzepatideWhite Label / Silver Crimp / Gray Cap | 12/29/2025 | 10.0 | 99.8% | 20 mg → 27.4 mg | BTLabs | View |
| RetatrutideWhite Label / Copper Crimp / Clear Cap | 12/29/2025 | 10.0 | 99.7% | 20 mg → 21.6 mg | BTLabs | View |
| BPC-157No Label / Green Crimp / Blue Cap | 12/23/2025 | 10.0 | 99.72% | 10 mg → 10.4 mg | Krause Analytical | View |
| TirzepatideNo Label / Silver Crimp / Clear Green Cap | 11/25/2025 | 10.0 | 99.95% | 9.89 mg → 8.49 mg | Krause Analytical | View |
| RetatrutideNo Label / Silver Crimp / Clear Green Cap | 11/25/2025 | 10.0 | 99.95% | 10 mg → 9.85 mg | Krause Analytical | View |
| BPC-157No Label / Silver Crimp / Violet Cap | 11/25/2025 | — | — | Krause Analytical | View | |
| BPC-157 | 11/22/2025 | 10.0 | 99.8% | 5 mg → 5 mg | BTLabs | View |
| TesamorelinNo Label / Silver Crimp / Black Cap | 10/9/2025 | 9.2 | 91.7% | 10 mg → 9.75 mg | Krause Analytical | View |
| RetatrutideNo Label / Blue Crimp / Clear Cap | 9/18/2025 | 10.0 | 99.95% | 10 mg → 9 mg | Krause Analytical | View |
| RetatrutideNo Label / Silver Crimp / Blue Cap | 9/15/2025 | 10.0 | 99.68% | 10 mg → 9.69 mg | Krause Analytical | View |
| BPC-157White Label / Silver Crimp / Yellow Cap | 9/10/2025 | 10.0 | 99.87% | 10 mg → 10.3 mg | Krause Analytical | View |
| TesamorelinWhite Label / Silver Crimp / Black Cap | 9/1/2025 | 9.9 | 99.39% | 10 mg → 11.06 mg | Freedom Diagnostics | View |
| RetatrutideNo Label / Silver Crimp / Clear Blue Cap | 8/21/2025 | 10.0 | 99.93% | 10 mg → 10.1 mg | Krause Analytical | View |
| TirzepatideNo Label / Silver Crimp / Blue Cap | 7/28/2025 | 9.9 | 98.632% | 15 mg → 16.69 mg | Chromate | View |
About YB Peptide
Finnrick has tested 22 samples from YB Peptide across 4 products.
Contact
- China
- www.ybpeptide.com