Is Zhejiang Yichenkang Biotechnology Legit
Is Zhejiang Yichenkang Biotechnology Legit? 58 independent lab tests across 8 products, averaging 99.5% purity.
- 58 HPLC samples across 8 products
- Catalog avg purity 99.5%
- hzyckswkj.en.alibaba.com/in_ID/index.html
- 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 50 measured samples from Zhejiang Yichenkang Biotechnology, 22 came in more than 5% under the quantity on the label (44%). Another 10 measured more than 5% over. Purity across 50 readings ran from 96.52% to 100%, median 99.75%. Samples span Jun 2025 to Dec 2025.
- Under label
- 22/50
- Median purity
- 99.75%
- Latest sample
- Dec 2025
- Ships from
- China
more than 5% short
96.52%–100% range
first tested Jun 2025
per vendor listing
Lab testing results
Independent results across 8 products.
Tested products
| Product | Grade | Tests | Avg | Range | Latest | Price | $/mg |
|---|---|---|---|---|---|---|---|
| Ipamorelin | AGREAT | 7 | 100.0% | 99.5% – 100.0% | 9/5/2025 | — | — |
| CJC-1295 | BGOOD | 6 | 80.0% | 99.1% – 99.8% | 8/4/2025 | — | — |
| Melanotan II | COKAY | 5 | 75.0% | 96.5% – 99.9% | 8/4/2025 | — | — |
| GHK-Cu | COKAY | 5 | 75.0% | 99.9% – 100.0% | 9/20/2025 | — | — |
| Retatrutide | COKAY | 12 | 72.7% | 99.2% – 100.0% | 12/11/2025 | — | — |
| Tirzepatide | DPOOR | 9 | 62.5% | 99.3% – 100.0% | 12/5/2025 | — | — |
| Semaglutide | EBAD | 7 | 50.0% | 99.1% – 100.0% | 8/5/2025 | — | — |
| BPC-157 | EBAD | 7 | 16.7% | 97.0% – 100.0% | 8/4/2025 | — | — |
Individual lab tests
Date
12/11/2025
Purity
99.62%
Quantity
10 mg → 10.4 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Clear Blue Cap
Date
12/5/2025
Purity
99.5%
Quantity
10 mg → 9.4 mg
Lab
BTLabs
Vial
No Label / Silver Crimp / Yellow Cap
Date
12/2/2025
Purity
99.4%
Quantity
10 mg → 9.2 mg
Lab
BTLabs
Vial
No Label / Silver Crimp / Red Cap
Date
11/25/2025
Purity
99.95%
Quantity
10 mg → 9.95 mg
Lab
Krause Analytical
Vial
No Label / Blue Crimp / Blue Cap
Date
10/17/2025
Purity
99.95%
Quantity
40 mg → 40.6 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Black Cap
Date
9/20/2025
Purity
100%
Quantity
50 mg → 31.2 mg
Lab
BTLabs
Vial
White Label /Silver Crimp / Blue Cap
Date
9/20/2025
Purity
100%
Quantity
50 mg → 34.6 mg
Lab
BTLabs
Vial
White Label /Silver Crimp / Blue Cap
Date
9/5/2025
Purity
99.7%
Quantity
5 mg → 5.6 mg
Lab
BTLabs
Vial
White Label / Silver Crimp / Pink Cap
Date
9/5/2025
Purity
100%
Quantity
5 mg → 5.1 mg
Lab
BTLabs
Vial
White Label / Silver Crimp / Pink Cap
Date
8/5/2025
Purity
99.461%
Quantity
5 mg → 4.79 mg
Lab
Janoshik
Vial
No Label / Silver Crimp / Black Cap
Date
8/4/2025
Purity
99.13%
Quantity
5 mg → 5.23 mg
Lab
Janoshik
Vial
No Label / Silver Crimp / Red Cap
Date
8/4/2025
Purity
99.94%
Quantity
20 mg → 18.8 mg
Lab
Krause Analytical
Vial
No Label / Copper Crimp / Clear Cap
Date
7/10/2025
Purity
99.594%
Quantity
5 mg → 5.59 mg
Lab
Chromate
Vial
White Label / Copper Crimp / Red Cap
Date
6/30/2025
Purity
99.69%
Quantity
5 mg → 3.75 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Black Cap
Date
6/14/2025
Purity
99.86%
Quantity
5 mg → 4.9 mg
Lab
Freedom Diagnostics
Vial
No Label / Silver Crimp / White Cap
| Product | Date | Score | Purity | Quantity | Lab | COA |
|---|---|---|---|---|---|---|
| RetatrutideNo Label / Silver Crimp / Clear Blue Cap | 12/11/2025 | 10.0 | 99.62% | 10 mg → 10.4 mg | Krause Analytical | View |
| TirzepatideNo Label / Silver Crimp / Yellow Cap | 12/5/2025 | 9.9 | 99.5% | 10 mg → 9.4 mg | BTLabs | View |
| RetatrutideNo Label / Silver Crimp / Red Cap | 12/2/2025 | 9.9 | 99.4% | 10 mg → 9.2 mg | BTLabs | View |
| RetatrutideNo Label / Blue Crimp / Blue Cap | 11/25/2025 | 10.0 | 99.95% | 10 mg → 9.95 mg | Krause Analytical | View |
| RetatrutideNo Label / Silver Crimp / Black Cap | 10/17/2025 | 10.0 | 99.95% | 40 mg → 40.6 mg | Krause Analytical | View |
| GHK-CuWhite Label /Silver Crimp / Blue Cap | 9/20/2025 | 10.0 | 100% | 50 mg → 31.2 mg | BTLabs | View |
| GHK-CuWhite Label /Silver Crimp / Blue Cap | 9/20/2025 | 10.0 | 100% | 50 mg → 34.6 mg | BTLabs | View |
| IpamorelinWhite Label / Silver Crimp / Pink Cap | 9/5/2025 | 10.0 | 99.7% | 5 mg → 5.6 mg | BTLabs | View |
| IpamorelinWhite Label / Silver Crimp / Pink Cap | 9/5/2025 | 10.0 | 100% | 5 mg → 5.1 mg | BTLabs | View |
| Retatrutide | 8/5/2025 | 9.9 | 99.292% | 5 mg → 5.45 mg | Janoshik | View |
| Semaglutide | 8/5/2025 | 9.9 | 99.108% | 5 mg → 4.48 mg | Janoshik | View |
| TirzepatideNo Label / Silver Crimp / Black Cap | 8/5/2025 | 9.9 | 99.461% | 5 mg → 4.79 mg | Janoshik | View |
| Ipamorelin | 8/4/2025 | 10.0 | 99.553% | 5 mg → 6.15 mg | Janoshik | View |
| CJC-1295No Label / Silver Crimp / Red Cap | 8/4/2025 | 9.9 | 99.13% | 5 mg → 5.23 mg | Janoshik | View |
| BPC-157 | 8/4/2025 | 9.9 | 99.458% | 5 mg → 5.68 mg | Janoshik | View |
| RetatrutideNo Label / Copper Crimp / Clear Cap | 8/4/2025 | 10.0 | 99.94% | 20 mg → 18.8 mg | Krause Analytical | View |
| Melanotan II | 8/4/2025 | 10.0 | 99.778% | 5 mg → 4.24 mg | Janoshik | View |
| BPC-157 | 7/25/2025 | 9.7 | 97% | 5 mg → 6.8 mg | BTLabs | View |
| BPC-157 | 7/25/2025 | 9.9 | 99% | 5 mg → 7.1 mg | BTLabs | View |
| Tirzepatide | 7/24/2025 | 10.0 | 100% | 5 mg → 4.7 mg | BTLabs | View |
| Tirzepatide | 7/24/2025 | 10.0 | 100% | 5 mg → 4.7 mg | BTLabs | View |
| Retatrutide | 7/23/2025 | 10.0 | 100% | 5 mg → 4.8 mg | BTLabs | View |
| Retatrutide | 7/23/2025 | 10.0 | 100% | 5 mg → 5.3 mg | BTLabs | View |
| Semaglutide | 7/22/2025 | 10.0 | 100% | 5 mg → 4.7 mg | BTLabs | View |
| Semaglutide | 7/22/2025 | 10.0 | 100% | 5 mg → 5 mg | BTLabs | View |
| GHK-Cu | 7/11/2025 | — | — | Krause Analytical | View | |
| Melanotan II | 7/11/2025 | — | — | Krause Analytical | View | |
| Retatrutide | 7/11/2025 | — | — | Krause Analytical | View | |
| Tirzepatide | 7/11/2025 | — | — | Krause Analytical | View | |
| BPC-157 | 7/11/2025 | — | — | Krause Analytical | View | |
| Ipamorelin | 7/11/2025 | — | — | Krause Analytical | View | |
| Semaglutide | 7/11/2025 | — | — | Krause Analytical | View | |
| CJC-1295 | 7/11/2025 | — | — | Krause Analytical | View | |
| GHK-Cu | 7/10/2025 | 10.0 | 99.86% | 50 mg → 43.5 mg | Krause Analytical | View |
| GHK-Cu | 7/10/2025 | 10.0 | 99.95% | 50 mg → 45.5 mg | Krause Analytical | View |
| CJC-1295White Label / Copper Crimp / Red Cap | 7/10/2025 | 10.0 | 99.594% | 5 mg → 5.59 mg | Chromate | View |
| TirzepatideNo Label / Silver Crimp / Black Cap | 6/30/2025 | 10.0 | 99.69% | 5 mg → 3.75 mg | Krause Analytical | View |
| Semaglutide | 6/29/2025 | 9.9 | 99.28% | 5 mg → 4.36 mg | Krause Analytical | View |
| Semaglutide | 6/29/2025 | 9.9 | 99.37% | 5 mg → 4.39 mg | Krause Analytical | View |
| Ipamorelin | 6/26/2025 | 10.0 | 99.917% | 5 mg → 4.43 mg | Chromate | View |
| Melanotan II | 6/26/2025 | 9.7 | 96.515% | 5 mg → 2.75 mg | Chromate | View |
| BPC-157 | 6/26/2025 | 9.9 | 99.418% | 5 mg → 4.96 mg | Chromate | View |
| Melanotan II | 6/26/2025 | 10.0 | 99.801% | 5 mg → 4.47 mg | Chromate | View |
| Ipamorelin | 6/25/2025 | 10.0 | 99.793% | 5 mg → 5.75 mg | Chromate | View |
| BPC-157 | 6/25/2025 | 9.9 | 99.421% | 5 mg → 5.02 mg | Chromate | View |
| Retatrutide | 6/25/2025 | 10.0 | 99.588% | 5 mg → 5.19 mg | Chromate | View |
| CJC-1295 | 6/25/2025 | 10.0 | 99.797% | 5 mg → 4.94 mg | Chromate | View |
| CJC-1295 | 6/25/2025 | 10.0 | 99.814% | 5 mg → 4.99 mg | Chromate | View |
| Retatrutide | 6/25/2025 | 10.0 | 99.672% | 5 mg → 4.98 mg | Chromate | View |
| Tirzepatide | 6/25/2025 | 9.9 | 99.307% | 5 mg → 4.83 mg | Chromate | View |
| Tirzepatide | 6/25/2025 | 9.9 | 99.263% | 5 mg → 4.69 mg | Chromate | View |
| SemaglutideNo Label / Silver Crimp / White Cap | 6/14/2025 | 10.0 | 99.86% | 5 mg → 4.9 mg | Freedom Diagnostics | View |
| Tirzepatide | 6/11/2025 | 10.0 | 99.72% | 5 mg → 4.21 mg | Krause Analytical | View |
| Retatrutide | 6/11/2025 | 9.9 | 99.16% | 5 mg → 4.01 mg | Krause Analytical | View |
| Melanotan II | 6/10/2025 | 10.0 | 99.95% | 5 mg → 4.76 mg | Krause Analytical | View |
| Ipamorelin | 6/10/2025 | 10.0 | 99.96% | 5 mg → 5.54 mg | Krause Analytical | View |
| CJC-1295 | 6/10/2025 | 10.0 | 99.85% | 5 mg → 5.01 mg | Krause Analytical | View |
| BPC-157 | 6/10/2025 | 10.0 | 99.96% | 5 mg → 4.26 mg | Krause Analytical | View |
About Zhejiang Yichenkang Biotechnology
Finnrick has tested 58 samples from Zhejiang Yichenkang Biotechnology across 8 products.
Contact
- Zhejiang, China
- hzyckswkj.en.alibaba.com/in_ID/index.html