Risynth Bio reviews
12 independent lab tests across 3 products · 99.7% average purity
- 12 HPLC samples across 3 products
- Catalog avg purity 99.7%
- risynthbio.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 12 measured samples from Risynth Bio, 1 came in more than 5% under the quantity on the label (8%). Another 4 measured more than 5% over. Purity across 12 readings ran from 98.83% to 99.96%, median 99.92%. Samples span Sep 2025 to Mar 2026.
- Under label
- 1/12
- Median purity
- 99.92%
- Latest sample
- Mar 2026
- Ships from
- United States
more than 5% short
98.83%–99.96% range
first tested Sep 2025
per vendor listing
Lab testing results
Independent results across 3 products.
Tested products
| Product | Grade | Tests | Avg | Range | Latest | Price | $/mg |
|---|---|---|---|---|---|---|---|
| Tirzepatide | AGREAT | 4 | 100.0% | 99.9% – 99.9% | 9/4/2025 | — | — |
| Semaglutide | COKAY | 4 | 75.0% | 99.1% – 99.9% | 3/2/2026 | — | — |
| Retatrutide | COKAY | 4 | 75.0% | 98.8% – 100.0% | 9/4/2025 | — | — |
Individual lab tests
Date
3/2/2026
Purity
99.9%
Quantity
20 mg → 21.1 mg
Lab
Krause Analytical
Vial
White Label / Silver Crimp / Violet Cap
Date
9/4/2025
Purity
99.9%
Quantity
10 mg → 9.75 mg
Lab
Krause Analytical
Vial
Gray Label / Silver Crimp / Yellow Cap
Date
9/4/2025
Purity
99.95%
Quantity
30 mg → 28.3 mg
Lab
Krause Analytical
Vial
Gray Label / Copper Crimp / Clear Cap
Date
9/4/2025
Purity
99.93%
Quantity
40 mg → 38.9 mg
Lab
Krause Analytical
Vial
Gray Label / Silver Crimp / Green Cap
Date
9/4/2025
Purity
99.83%
Quantity
20 mg → 19.5 mg
Lab
Krause Analytical
Vial
Gray Label / Silver Crimp / Violet Cap
Date
9/4/2025
Purity
99.95%
Quantity
5 mg → 4.8 mg
Lab
Krause Analytical
Vial
Gray Label / Silver Crimp / Purple Cap
Date
9/4/2025
Purity
99.95%
Quantity
10 mg → 9.83 mg
Lab
Krause Analytical
Vial
Gray Label / Silver Crimp / White Cap
Date
9/1/2025
Purity
99.654%
Quantity
20 mg → 19.88 mg
Lab
Chromate
Vial
Gray Label / Silver Crimp / Purple Cap
Date
9/1/2025
Purity
98.83%
Quantity
10 mg → 11.12 mg
Lab
Chromate
Vial
Gray Label / Silver Crimp / Clear Blue Cap
Date
9/1/2025
Purity
99.964%
Quantity
15 mg → 16.48 mg
Lab
Chromate
Vial
White Label / Silver Crimp / Clear Cap
Date
9/1/2025
Purity
99.125%
Quantity
5 mg → 5.19 mg
Lab
Chromate
Vial
White Label / Silver Crimp / Blue Cap
Date
9/1/2025
Purity
99.931%
Quantity
20 mg → 22.07 mg
Lab
Chromate
Vial
Gray Label / Silver Crimp / Violet Cap
| Product | Date | Score | Purity | Quantity | Lab | COA |
|---|---|---|---|---|---|---|
| SemaglutideWhite Label / Silver Crimp / Violet Cap | 3/2/2026 | 10.0 | 99.9% | 20 mg → 21.1 mg | Krause Analytical | View |
| TirzepatideGray Label / Silver Crimp / Yellow Cap | 9/4/2025 | 10.0 | 99.9% | 10 mg → 9.75 mg | Krause Analytical | View |
| TirzepatideGray Label / Copper Crimp / Clear Cap | 9/4/2025 | 10.0 | 99.95% | 30 mg → 28.3 mg | Krause Analytical | View |
| TirzepatideGray Label / Silver Crimp / Green Cap | 9/4/2025 | 10.0 | 99.93% | 40 mg → 38.9 mg | Krause Analytical | View |
| RetatrutideGray Label / Silver Crimp / Violet Cap | 9/4/2025 | 10.0 | 99.83% | 20 mg → 19.5 mg | Krause Analytical | View |
| RetatrutideGray Label / Silver Crimp / Purple Cap | 9/4/2025 | 10.0 | 99.95% | 5 mg → 4.8 mg | Krause Analytical | View |
| SemaglutideGray Label / Silver Crimp / White Cap | 9/4/2025 | 10.0 | 99.95% | 10 mg → 9.83 mg | Krause Analytical | View |
| SemaglutideGray Label / Silver Crimp / Purple Cap | 9/1/2025 | 10.0 | 99.654% | 20 mg → 19.88 mg | Chromate | View |
| RetatrutideGray Label / Silver Crimp / Clear Blue Cap | 9/1/2025 | 9.9 | 98.83% | 10 mg → 11.12 mg | Chromate | View |
| RetatrutideWhite Label / Silver Crimp / Clear Cap | 9/1/2025 | 10.0 | 99.964% | 15 mg → 16.48 mg | Chromate | View |
| SemaglutideWhite Label / Silver Crimp / Blue Cap | 9/1/2025 | 9.9 | 99.125% | 5 mg → 5.19 mg | Chromate | View |
| TirzepatideGray Label / Silver Crimp / Violet Cap | 9/1/2025 | 10.0 | 99.931% | 20 mg → 22.07 mg | Chromate | View |
About Risynth Bio
Finnrick has tested 12 samples from Risynth Bio across 3 products.