Guangzhou Yuao Trading reviews
5 independent lab tests across 1 product · 99.9% average purity
- 5 HPLC samples across 1 products
- Catalog avg purity 99.9%
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- 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 5 measured samples from Guangzhou Yuao Trading, 1 came in more than 5% under the quantity on the label (20%). Another 1 measured more than 5% over. Purity across 5 readings ran from 99.8% to 99.95%, median 99.9%. Samples span Nov 2025 to Aug 2026.
- Under label
- 1/5
- Median purity
- 99.9%
- Latest sample
- Aug 2026
- Ships from
- China
more than 5% short
99.8%–99.95% range
first tested Nov 2025
per vendor listing
Lab testing results
Independent results across 1 product.
Tested products
| Product | Grade | Tests | Avg | Range | Latest | Price | $/mg |
|---|---|---|---|---|---|---|---|
| Retatrutide | AGREAT | 5 | 100.0% | 99.8% – 99.9% | 8/4/2026 | — | — |
Individual lab tests
Date
8/4/2026
Purity
99.9%
Quantity
30 mg → 29 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Blue Cap
Date
5/6/2026
Purity
99.9%
Quantity
15 mg → 15.2 mg
Lab
Krause Analytical
Vial
White Label / Silver Crimp / Clear Cap
Date
3/7/2026
Purity
99.8%
Quantity
10 mg → 10.8 mg
Lab
BTLabs
Vial
No Label / Silver Crimp / Yellow Cap
Date
11/25/2025
Purity
99.95%
Quantity
20 mg → 20 mg
Lab
Krause Analytical
Vial
No Label / Copper Crimp / Clear Cap
| Product | Date | Score | Purity | Quantity | Lab | COA |
|---|---|---|---|---|---|---|
| RetatrutideNo Label / Silver Crimp / Blue Cap | 8/4/2026 | 10.0 | 99.9% | 30 mg → 29 mg | Krause Analytical | View |
| RetatrutideWhite Label / Silver Crimp / Clear Cap | 5/6/2026 | 10.0 | 99.9% | 15 mg → 15.2 mg | Krause Analytical | View |
| Retatrutide | 3/18/2026 | 10.0 | 99.9% | 10 mg → 8.45 mg | Krause Analytical | View |
| RetatrutideNo Label / Silver Crimp / Yellow Cap | 3/7/2026 | 10.0 | 99.8% | 10 mg → 10.8 mg | BTLabs | View |
| RetatrutideNo Label / Copper Crimp / Clear Cap | 11/25/2025 | 10.0 | 99.95% | 20 mg → 20 mg | Krause Analytical | View |
About Guangzhou Yuao Trading
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