Hangzhou Mandy Biotechnology reviews
38 independent lab tests across 4 products · 99.5% average purity
- 38 HPLC samples across 4 products
- Catalog avg purity 99.5%
- www.mandybio.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 37 measured samples from Hangzhou Mandy Biotechnology, 8 came in more than 5% under the quantity on the label (22%). Another 14 measured more than 5% over. Purity across 37 readings ran from 93.01% to 99.95%, median 99.75%. Samples span Nov 2025 to Aug 2026.
- Under label
- 8/37
- Median purity
- 99.75%
- Latest sample
- Aug 2026
more than 5% short
93.01%–99.95% range
first tested Nov 2025
Lab testing results
Independent results across 4 products.
Tested products
| Product | Grade | Tests | Avg | Range | Latest | Price | $/mg |
|---|---|---|---|---|---|---|---|
| GHK-Cu | BGOOD | 6 | 83.3% | 98.9% – 99.9% | 6/16/2026 | — | — |
| Tirzepatide | COKAY | 13 | 75.0% | 93.0% – 99.9% | 6/17/2026 | — | — |
| Retatrutide | COKAY | 14 | 71.4% | 99.1% – 99.9% | 8/5/2026 | — | — |
| BPC-157 | DPOOR | 5 | 60.0% | 98.5% – 99.9% | 8/5/2026 | — | — |
Individual lab tests
Date
8/5/2026
Purity
99.9%
Quantity
5 mg → 4.18 mg
Lab
Krause Analytical
Vial
No label / Silver crimp / Black cap
Date
8/5/2026
Purity
99.9%
Quantity
20 mg → 18.5 mg
Lab
Krause Analytical
Vial
No label / Silver crimp / Blue cap
Date
6/22/2026
Purity
99.9%
Quantity
30 mg → 27.4 mg
Lab
Krause Analytical
Vial
Clear label / Silver crimp / Black cap
Date
6/17/2026
Purity
99.7%
Quantity
20 mg → 22.9 mg
Lab
BTLabs
Vial
No label / Silver crimp / Blue cap
Date
6/17/2026
Purity
99.4%
Quantity
10 mg → 10 mg
Lab
Krause Analytical
Vial
Clear label / Silver crimp / Blue cap
Date
6/16/2026
Purity
99.9%
Quantity
100 mg → 82.1 mg
Lab
Krause Analytical
Vial
Clear label / Silver crimp / Violet cap
Date
5/28/2026
Purity
—
Quantity
—
Lab
BTLabs
Vial
No label / Silver crimp / Black cap
Date
5/25/2026
Purity
99.7%
Quantity
30 mg → 31.4 mg
Lab
BTLabs
Vial
No label / Silver crimp / Black cap
Date
5/8/2026
Purity
99.7%
Quantity
15 mg → 15.1 mg
Lab
BTLabs
Vial
No Label / Copper Crimp / Clear Cap
Date
4/30/2026
Purity
99.5%
Quantity
10 mg → 9.8 mg
Lab
BTLabs
Vial
No Label / Silver Crimp / Clear Blue Cap
Date
4/28/2026
Purity
99.6%
Quantity
20 mg → 20.6 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Violet Cap
Date
4/23/2026
Purity
99.9%
Quantity
30 mg → 30.5 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Black Cap
Date
3/25/2026
Purity
99.6%
Quantity
10 mg → 10.4 mg
Lab
BTLabs
Vial
Silver Label / Silver Crimp / Yellow Cap
Date
3/6/2026
Purity
99.8%
Quantity
100 mg → 128 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Blue Cap
Date
3/6/2026
Purity
99.9%
Quantity
10 mg → 10.2 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Green Cap
Date
3/4/2026
Purity
98.31%
Quantity
10 mg → 10.2 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Yellow Cap
Date
3/4/2026
Purity
99.75%
Quantity
10 mg → 11.3 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Gray Cap
Date
3/3/2026
Purity
99.9%
Quantity
40 mg → 42.5 mg
Lab
Krause Analytical
Vial
White Label / Silver Crimp / Green Cap
Date
3/3/2026
Purity
99.28%
Quantity
10 mg → 10.1 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Green Cap
Date
2/26/2026
Purity
93.01%
Quantity
30 mg → 31.4 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Black Cap
Date
2/22/2026
Purity
99.74%
Quantity
20 mg → 21.7 mg
Lab
Krause Analytical
Vial
White Label / Silver Crimp / Black Cap
Date
2/20/2026
Purity
99.9%
Quantity
100 mg → 84.4 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Clear Cap
Date
2/20/2026
Purity
99.9%
Quantity
100 mg → 109 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Clear Cap
Date
2/13/2026
Purity
99.8%
Quantity
10 mg → 9.55 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / White Cap
Date
2/4/2026
Purity
98.9%
Quantity
100 mg → 114.2 mg
Lab
BTLabs
Vial
White Label / Silver Crimp / Blue Cap
Date
2/4/2026
Purity
99.8%
Quantity
10 mg → 13 mg
Lab
BTLabs
Vial
White Label / Silver Crimp / Green Cap
Date
1/22/2026
Purity
99.8%
Quantity
20 mg → 29.7 mg
Lab
BTLabs
Vial
White Label / Copper Crimp / Clear Cap
Date
1/15/2026
Purity
99.37%
Quantity
10 mg → 10.1 mg
Lab
Krause Analytical
Vial
White Label / Silver Crimp / Clear Blue Cap
Date
1/15/2026
Purity
99.9%
Quantity
40 mg → 50.6 mg
Lab
BTLabs
Vial
White Label / Silver Crimp / Red Cap
Date
1/15/2026
Purity
98.51%
Quantity
4.97 mg → 4.12 mg
Lab
Krause Analytical
Vial
White Label / Silver Crimp / White Cap
Date
1/15/2026
Purity
99.8%
Quantity
30 mg → 34.9 mg
Lab
BTLabs
Vial
No Label / Silver Crimp / Green Cap
Date
1/15/2026
Purity
99.95%
Quantity
50 mg → 44.2 mg
Lab
Krause Analytical
Vial
White Label / Silver Crimp / White Cap
Date
1/1/2026
Purity
99.7%
Quantity
20 mg → 22.6 mg
Lab
BTLabs
Vial
White Label / Silver Crimp / Gray Cap
Date
12/17/2025
Purity
99.89%
Quantity
10 mg → 9.46 mg
Lab
Krause Analytical
Vial
White Label / Silver Crimp / White Cap
Date
12/4/2025
Purity
99.5%
Quantity
20 mg → 21.1 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Violet Cap
Date
11/25/2025
Purity
98.81%
Quantity
20 mg → 20.7 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Violet Cap
Date
11/25/2025
Purity
99.95%
Quantity
10 mg → 9.77 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Clear Blue Cap
Date
11/17/2025
Purity
99.07%
Quantity
20 mg → 21.4 mg
Lab
Krause Analytical
Vial
No Label / Copper Crimp / Clear Cap
| Product | Date | Score | Purity | Quantity | Lab | COA |
|---|---|---|---|---|---|---|
| BPC-157No label / Silver crimp / Black cap | 8/5/2026 | 10.0 | 99.9% | 5 mg → 4.18 mg | Krause Analytical | View |
| RetatrutideNo label / Silver crimp / Blue cap | 8/5/2026 | 10.0 | 99.9% | 20 mg → 18.5 mg | Krause Analytical | View |
| RetatrutideClear label / Silver crimp / Black cap | 6/22/2026 | 10.0 | 99.9% | 30 mg → 27.4 mg | Krause Analytical | View |
| TirzepatideNo label / Silver crimp / Blue cap | 6/17/2026 | 10.0 | 99.7% | 20 mg → 22.9 mg | BTLabs | View |
| BPC-157Clear label / Silver crimp / Blue cap | 6/17/2026 | 9.9 | 99.4% | 10 mg → 10 mg | Krause Analytical | View |
| GHK-CuClear label / Silver crimp / Violet cap | 6/16/2026 | 10.0 | 99.9% | 100 mg → 82.1 mg | Krause Analytical | View |
| TirzepatideNo label / Silver crimp / Black cap | 5/28/2026 | — | — | BTLabs | View | |
| TirzepatideNo label / Silver crimp / Black cap | 5/25/2026 | 10.0 | 99.7% | 30 mg → 31.4 mg | BTLabs | View |
| RetatrutideNo Label / Copper Crimp / Clear Cap | 5/8/2026 | 10.0 | 99.7% | 15 mg → 15.1 mg | BTLabs | View |
| RetatrutideNo Label / Silver Crimp / Clear Blue Cap | 4/30/2026 | 9.9 | 99.5% | 10 mg → 9.8 mg | BTLabs | View |
| TirzepatideNo Label / Silver Crimp / Violet Cap | 4/28/2026 | 10.0 | 99.6% | 20 mg → 20.6 mg | Krause Analytical | View |
| RetatrutideNo Label / Silver Crimp / Black Cap | 4/23/2026 | 10.0 | 99.9% | 30 mg → 30.5 mg | Krause Analytical | View |
| TirzepatideSilver Label / Silver Crimp / Yellow Cap | 3/25/2026 | 10.0 | 99.6% | 10 mg → 10.4 mg | BTLabs | View |
| GHK-CuNo Label / Silver Crimp / Blue Cap | 3/6/2026 | 10.0 | 99.8% | 100 mg → 128 mg | Krause Analytical | View |
| RetatrutideNo Label / Silver Crimp / Green Cap | 3/6/2026 | 10.0 | 99.9% | 10 mg → 10.2 mg | Krause Analytical | View |
| TirzepatideNo Label / Silver Crimp / Yellow Cap | 3/4/2026 | 9.8 | 98.31% | 10 mg → 10.2 mg | Krause Analytical | View |
| BPC-157No Label / Silver Crimp / Gray Cap | 3/4/2026 | 10.0 | 99.75% | 10 mg → 11.3 mg | Krause Analytical | View |
| TirzepatideWhite Label / Silver Crimp / Green Cap | 3/3/2026 | 10.0 | 99.9% | 40 mg → 42.5 mg | Krause Analytical | View |
| RetatrutideNo Label / Silver Crimp / Green Cap | 3/3/2026 | 9.9 | 99.28% | 10 mg → 10.1 mg | Krause Analytical | View |
| TirzepatideNo Label / Silver Crimp / Black Cap | 2/26/2026 | 9.3 | 93.01% | 30 mg → 31.4 mg | Krause Analytical | View |
| RetatrutideWhite Label / Silver Crimp / Black Cap | 2/22/2026 | 10.0 | 99.74% | 20 mg → 21.7 mg | Krause Analytical | View |
| GHK-CuNo Label / Silver Crimp / Clear Cap | 2/20/2026 | 10.0 | 99.9% | 100 mg → 84.4 mg | Krause Analytical | View |
| GHK-CuNo Label / Silver Crimp / Clear Cap | 2/20/2026 | 10.0 | 99.9% | 100 mg → 109 mg | Krause Analytical | View |
| TirzepatideNo Label / Silver Crimp / White Cap | 2/13/2026 | 10.0 | 99.8% | 10 mg → 9.55 mg | Krause Analytical | View |
| GHK-CuWhite Label / Silver Crimp / Blue Cap | 2/4/2026 | 9.9 | 98.9% | 100 mg → 114.2 mg | BTLabs | View |
| BPC-157White Label / Silver Crimp / Green Cap | 2/4/2026 | 10.0 | 99.8% | 10 mg → 13 mg | BTLabs | View |
| RetatrutideWhite Label / Copper Crimp / Clear Cap | 1/22/2026 | 10.0 | 99.8% | 20 mg → 29.7 mg | BTLabs | View |
| RetatrutideWhite Label / Silver Crimp / Clear Blue Cap | 1/15/2026 | 9.9 | 99.37% | 10 mg → 10.1 mg | Krause Analytical | View |
| TirzepatideWhite Label / Silver Crimp / Red Cap | 1/15/2026 | 10.0 | 99.9% | 40 mg → 50.6 mg | BTLabs | View |
| BPC-157White Label / Silver Crimp / White Cap | 1/15/2026 | 9.9 | 98.51% | 4.97 mg → 4.12 mg | Krause Analytical | View |
| TirzepatideNo Label / Silver Crimp / Green Cap | 1/15/2026 | 10.0 | 99.8% | 30 mg → 34.9 mg | BTLabs | View |
| GHK-CuWhite Label / Silver Crimp / White Cap | 1/15/2026 | 10.0 | 99.95% | 50 mg → 44.2 mg | Krause Analytical | View |
| TirzepatideWhite Label / Silver Crimp / Gray Cap | 1/1/2026 | 10.0 | 99.7% | 20 mg → 22.6 mg | BTLabs | View |
| RetatrutideWhite Label / Silver Crimp / White Cap | 12/17/2025 | 10.0 | 99.89% | 10 mg → 9.46 mg | Krause Analytical | View |
| RetatrutideNo Label / Silver Crimp / Violet Cap | 12/4/2025 | 9.9 | 99.5% | 20 mg → 21.1 mg | Krause Analytical | View |
| TirzepatideNo Label / Silver Crimp / Violet Cap | 11/25/2025 | 9.9 | 98.81% | 20 mg → 20.7 mg | Krause Analytical | View |
| RetatrutideNo Label / Silver Crimp / Clear Blue Cap | 11/25/2025 | 10.0 | 99.95% | 10 mg → 9.77 mg | Krause Analytical | View |
| RetatrutideNo Label / Copper Crimp / Clear Cap | 11/17/2025 | 9.9 | 99.07% | 20 mg → 21.4 mg | Krause Analytical | View |
About Hangzhou Mandy Biotechnology
Finnrick has tested 38 samples from Hangzhou Mandy Biotechnology across 4 products.