Zhengzhou Lan Yun Cosmetic Trading reviews
28 independent lab tests across 3 products · 99.6% average purity
- 28 HPLC samples across 3 products
- Catalog avg purity 99.6%
- zhengzhoulanyun.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 25 measured samples from Zhengzhou Lan Yun Cosmetic Trading, 6 came in more than 5% under the quantity on the label (24%). Another 5 measured more than 5% over. Purity across 26 readings ran from 95.87% to 99.95%, median 99.84%. Samples span Dec 2025 to Aug 2026.
- Under label
- 6/25
- Median purity
- 99.84%
- Latest sample
- Aug 2026
more than 5% short
95.87%–99.95% range
first tested Dec 2025
Lab testing results
Independent results across 3 products.
Tested products
| Product | Grade | Tests | Avg | Range | Latest | Price | $/mg |
|---|---|---|---|---|---|---|---|
| Tirzepatide | BGOOD | 9 | 88.9% | 99.7% – 99.9% | 8/13/2026 | — | — |
| GHK-Cu | BGOOD | 7 | 85.7% | 99.7% – 99.9% | 7/13/2026 | — | — |
| Retatrutide | COKAY | 12 | 75.0% | 95.9% – 99.9% | 8/12/2026 | — | — |
Individual lab tests
Date
8/13/2026
Purity
99.9%
Quantity
60 mg → 60 mg
Lab
Krause Analytical
Vial
White label / Silver crimp / Green cap
Date
8/12/2026
Purity
99.9%
Quantity
10 mg → 9.96 mg
Lab
Krause Analytical
Vial
No label / Silver crimp / Yellow cap
Date
7/13/2026
Purity
99.9%
Quantity
100 mg → 88.3 mg
Lab
Krause Analytical
Vial
White label / Silver crimp / Clear Red cap
Date
7/13/2026
Purity
99.9%
Quantity
20 mg → 20.9 mg
Lab
Krause Analytical
Vial
White label / Silver crimp / Violet cap
Date
7/1/2026
Purity
99.9%
Quantity
50 mg → 38.4 mg
Lab
Krause Analytical
Vial
No label / Silver crimp / Blue cap
Date
7/1/2026
Purity
99.9%
Quantity
100 mg → 13.2 mg
Lab
Krause Analytical
Vial
No label / Silver crimp / Violet cap
Date
7/1/2026
Purity
—
Quantity
—
Lab
Krause Analytical
Vial
No label / Gold crimp / Clear cap
Date
6/26/2026
Purity
—
Quantity
—
Lab
BTLabs
Vial
No label / Red crimp / White cap
Date
6/8/2026
Purity
99.8%
Quantity
24 mg → 25.7 mg
Lab
BTLabs
Vial
White Label / Silver Crimp / Green Cap
Date
5/27/2026
Purity
99.9%
Quantity
10 mg → 10 mg
Lab
Krause Analytical
Vial
No label / Silver crimp / Yellow cap
Date
5/25/2026
Purity
99.9%
Quantity
50 mg → 58.4 mg
Lab
BTLabs
Vial
No label / Silver crimp / White cap
Date
5/25/2026
Purity
99.7%
Quantity
50 mg → 46.7 mg
Lab
BTLabs
Vial
No label / Silver crimp / Blue cap
Date
3/2/2026
Purity
99.89%
Quantity
100 mg → 92.9 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Red Cap
Date
2/26/2026
Purity
95.87%
Quantity
40 mg → 41.4 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Clear Red Cap
Date
2/22/2026
Purity
99.78%
Quantity
100 mg → 104 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Red Cap
Date
2/20/2026
Purity
99.8%
Quantity
100 mg → 64.8 mg
Lab
BTLabs
Vial
No Label / Silver Crimp / Blue Cap
Date
2/4/2026
Purity
99.9%
Quantity
60 mg → 65.9 mg
Lab
BTLabs
Vial
No Label / Silver Crimp / Red Cap
Date
1/29/2026
Purity
99.9%
Quantity
60 mg → 51.9 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Orange Cap
Date
1/26/2026
Purity
99.8%
Quantity
10 mg → 9.7 mg
Lab
BTLabs
Vial
No Label / Silver Crimp / Yellow Cap
Date
1/19/2026
Purity
97.55%
Quantity
10 mg → 9.73 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Yellow Cap
Date
1/15/2026
Purity
99.8%
Quantity
60 mg → 62.5 mg
Lab
BTLabs
Vial
No Label / Silver Crimp / Orange Cap
Date
1/15/2026
Purity
99.6%
Quantity
5 mg → 5 mg
Lab
BTLabs
Vial
No Label / Silver Crimp / Blue Cap
Date
1/7/2026
Purity
99.6%
Quantity
10 mg → 10.1 mg
Lab
BTLabs
Vial
No Label / Silver Crimp / Yellow Cap
Date
1/7/2026
Purity
99.8%
Quantity
30 mg → 30.6 mg
Lab
BTLabs
Vial
No Label / Silver Crimp / Blue Cap
Date
1/7/2026
Purity
99.7%
Quantity
30 mg → 32.8 mg
Lab
BTLabs
Vial
No Label / Silver Crimp / Red Cap
Date
1/2/2026
Purity
99.92%
Quantity
30 mg → 32.7 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Violet Cap
Date
12/31/2025
Purity
99.95%
Quantity
60 mg → 60.8 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Pink Cap
| Product | Date | Score | Purity | Quantity | Lab | COA |
|---|---|---|---|---|---|---|
| TirzepatideWhite label / Silver crimp / Green cap | 8/13/2026 | 10.0 | 99.9% | 60 mg → 60 mg | Krause Analytical | View |
| RetatrutideNo label / Silver crimp / Yellow cap | 8/12/2026 | 10.0 | 99.9% | 10 mg → 9.96 mg | Krause Analytical | View |
| GHK-CuWhite label / Silver crimp / Clear Red cap | 7/13/2026 | 10.0 | 99.9% | 100 mg → 88.3 mg | Krause Analytical | View |
| RetatrutideWhite label / Silver crimp / Violet cap | 7/13/2026 | 10.0 | 99.9% | 20 mg → 20.9 mg | Krause Analytical | View |
| GHK-CuNo label / Silver crimp / Blue cap | 7/1/2026 | 10.0 | 99.9% | 50 mg → 38.4 mg | Krause Analytical | View |
| GHK-CuNo label / Silver crimp / Violet cap | 7/1/2026 | 10.0 | 99.9% | 100 mg → 13.2 mg | Krause Analytical | View |
| RetatrutideNo label / Gold crimp / Clear cap | 7/1/2026 | — | — | Krause Analytical | View | |
| TirzepatideNo label / Red crimp / White cap | 6/26/2026 | — | — | BTLabs | View | |
| RetatrutideWhite Label / Silver Crimp / Green Cap | 6/8/2026 | 10.0 | 99.8% | 24 mg → 25.7 mg | BTLabs | View |
| RetatrutideNo label / Silver crimp / Yellow cap | 5/27/2026 | 10.0 | 99.9% | 10 mg → 10 mg | Krause Analytical | View |
| TirzepatideNo label / Silver crimp / White cap | 5/25/2026 | 10.0 | 99.9% | 50 mg → 58.4 mg | BTLabs | View |
| GHK-CuNo label / Silver crimp / Blue cap | 5/25/2026 | 10.0 | 99.7% | 50 mg → 46.7 mg | BTLabs | View |
| Retatrutide | 3/3/2026 | 9.9 | 99.5% | 10 mg → 10.1 mg | Krause Analytical | View |
| GHK-CuNo Label / Silver Crimp / Red Cap | 3/2/2026 | 10.0 | 99.89% | 100 mg → 92.9 mg | Krause Analytical | View |
| RetatrutideNo Label / Silver Crimp / Clear Red Cap | 2/26/2026 | 9.6 | 95.87% | 40 mg → 41.4 mg | Krause Analytical | View |
| GHK-CuNo Label / Silver Crimp / Red Cap | 2/22/2026 | 10.0 | 99.78% | 100 mg → 104 mg | Krause Analytical | View |
| GHK-CuNo Label / Silver Crimp / Blue Cap | 2/20/2026 | 10.0 | 99.8% | 100 mg → 64.8 mg | BTLabs | View |
| TirzepatideNo Label / Silver Crimp / Red Cap | 2/4/2026 | 10.0 | 99.9% | 60 mg → 65.9 mg | BTLabs | View |
| TirzepatideNo Label / Silver Crimp / Orange Cap | 1/29/2026 | 10.0 | 99.9% | 60 mg → 51.9 mg | Krause Analytical | View |
| RetatrutideNo Label / Silver Crimp / Yellow Cap | 1/26/2026 | 10.0 | 99.8% | 10 mg → 9.7 mg | BTLabs | View |
| RetatrutideNo Label / Silver Crimp / Yellow Cap | 1/19/2026 | 9.8 | 97.55% | 10 mg → 9.73 mg | Krause Analytical | View |
| TirzepatideNo Label / Silver Crimp / Orange Cap | 1/15/2026 | 10.0 | 99.8% | 60 mg → 62.5 mg | BTLabs | View |
| RetatrutideNo Label / Silver Crimp / Blue Cap | 1/15/2026 | 10.0 | 99.6% | 5 mg → 5 mg | BTLabs | View |
| RetatrutideNo Label / Silver Crimp / Yellow Cap | 1/7/2026 | 10.0 | 99.6% | 10 mg → 10.1 mg | BTLabs | View |
| RetatrutideNo Label / Silver Crimp / Blue Cap | 1/7/2026 | 10.0 | 99.8% | 30 mg → 30.6 mg | BTLabs | View |
| TirzepatideNo Label / Silver Crimp / Red Cap | 1/7/2026 | 10.0 | 99.7% | 30 mg → 32.8 mg | BTLabs | View |
| TirzepatideNo Label / Silver Crimp / Violet Cap | 1/2/2026 | 10.0 | 99.92% | 30 mg → 32.7 mg | Krause Analytical | View |
| TirzepatideNo Label / Silver Crimp / Pink Cap | 12/31/2025 | 10.0 | 99.95% | 60 mg → 60.8 mg | Krause Analytical | View |
About Zhengzhou Lan Yun Cosmetic Trading
Finnrick has tested 28 samples from Zhengzhou Lan Yun Cosmetic Trading across 3 products.