Bfflink reviews
43 independent lab tests across 2 products · 99.7% average purity
- 43 HPLC samples across 2 products
- Catalog avg purity 99.7%
- www.bfflink.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 38 measured samples from Bfflink, 16 came in more than 5% under the quantity on the label (42%). Another 8 measured more than 5% over. Purity across 40 readings ran from 98.23% to 99.95%, median 99.9%. Samples span Dec 2025 to Jul 2026.
- Under label
- 16/38
- Median purity
- 99.9%
- Latest sample
- Jul 2026
more than 5% short
98.23%–99.95% range
first tested Dec 2025
Lab testing results
Independent results across 2 products.
Tested products
| Product | Grade | Tests | Avg | Range | Latest | Price | $/mg |
|---|---|---|---|---|---|---|---|
| Retatrutide | BGOOD | 23 | 81.8% | 98.2% – 99.9% | 7/20/2026 | — | — |
| Tirzepatide | DPOOR | 20 | 63.2% | 98.4% – 99.9% | 7/13/2026 | — | — |
Individual lab tests
Date
7/20/2026
Purity
99.9%
Quantity
60 mg → 69.1 mg
Lab
Krause Analytical
Vial
No label / Silver crimp / Blue cap
Date
7/13/2026
Purity
99.9%
Quantity
60 mg → 95.7 mg
Lab
Krause Analytical
Vial
No label / Silver crimp / Blue cap
Date
6/17/2026
Purity
99.9%
Quantity
10 mg → 8.6 mg
Lab
BTLabs
Vial
No label / Silver crimp / Blue cap
Date
6/17/2026
Purity
—
Quantity
—
Lab
BTLabs
Vial
No label / Silver crimp / Blue cap
Date
6/15/2026
Purity
99.9%
Quantity
30 mg → 29.3 mg
Lab
Krause Analytical
Vial
No label / Silver crimp / Blue cap
Date
6/8/2026
Purity
99.9%
Quantity
60 mg → 60.7 mg
Lab
BTLabs
Vial
No label / Silver crimp / Blue cap
Date
6/2/2026
Purity
99.4%
Quantity
60 mg → 102 mg
Lab
Krause Analytical
Vial
No label / Silver crimp / Blue cap
Date
5/25/2026
Purity
99.7%
Quantity
10 mg → 9.7 mg
Lab
BTLabs
Vial
No label / Silver crimp / Blue cap
Date
5/24/2026
Purity
—
Quantity
—
Lab
BTLabs
Vial
No label / Silver crimp / Blue cap
Date
5/19/2026
Purity
99.9%
Quantity
30 mg → 30.1 mg
Lab
Krause Analytical
Vial
No label / Silver crimp / Blue cap
Date
5/19/2026
Purity
99.9%
Quantity
30 mg → 27.2 mg
Lab
Krause Analytical
Vial
No label / Silver crimp / Blue cap
Date
5/18/2026
Purity
99.6%
Quantity
5 mg → 4.1 mg
Lab
BTLabs
Vial
No label / Silver crimp / Blue cap
Date
4/28/2026
Purity
99.9%
Quantity
30 mg → 23.8 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Blue Cap
Date
4/28/2026
Purity
99.9%
Quantity
30 mg → 35 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Blue Cap
Date
4/28/2026
Purity
99.9%
Quantity
15 mg → 14.2 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Blue Cap
Date
4/23/2026
Purity
99.8%
Quantity
30 mg → 24 mg
Lab
BTLabs
Vial
White Label / Silver Crimp / Blue Cap
Date
4/23/2026
Purity
99.9%
Quantity
30 mg → 26.2 mg
Lab
BTLabs
Vial
White Label / Silver Crimp / Blue Cap
Date
4/23/2026
Purity
99.9%
Quantity
30 mg → 26 mg
Lab
BTLabs
Vial
White Label / Silver Crimp / Blue Cap
Date
3/18/2026
Purity
99.9%
Quantity
30 mg → 32.2 mg
Lab
Krause Analytical
Vial
White Label / Silver Crimp / Blue Cap
Date
3/10/2026
Purity
99.4%
Quantity
30 mg → 37.8 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Blue Cap
Date
3/3/2026
Purity
—
Quantity
—
Lab
Krause Analytical
Vial
Silver Label / Silver Crimp / Blue Cap
Date
3/3/2026
Purity
99.9%
Quantity
20 mg → 19.6 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Blue Cap
Date
3/3/2026
Purity
99.9%
Quantity
30 mg → 25.3 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Blue Cap
Date
3/3/2026
Purity
99.9%
Quantity
24 mg → 18.7 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Blue Cap
Date
3/3/2026
Purity
99.65%
Quantity
30 mg → 29.1 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Blue Cap
Date
3/2/2026
Purity
99.9%
Quantity
30 mg → 33.6 mg
Lab
Krause Analytical
Vial
White Label / Silver Crimp / Blue Cap
Date
2/26/2026
Purity
98.42%
Quantity
30 mg → 31 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Blue Cap
Date
2/26/2026
Purity
99.45%
Quantity
30 mg → 29.8 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Blue Cap
Date
2/26/2026
Purity
99.39%
Quantity
20 mg → 19.3 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Blue Cap
Date
2/26/2026
Purity
99.61%
Quantity
30 mg → 30.1 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Blue Cap
Date
2/22/2026
Purity
99.9%
Quantity
60 mg → 64.4 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Blue Cap
Date
2/22/2026
Purity
99.81%
Quantity
20 mg → 21.3 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Blue Cap
Date
2/22/2026
Purity
99.37%
Quantity
30 mg → 28.6 mg
Lab
Krause Analytical
Vial
White Label / Silver Crimp / Blue Cap
Date
2/20/2026
Purity
99.81%
Quantity
60 mg → 53.1 mg
Lab
Krause Analytical
Vial
White Label / Silver Crimp / Blue Cap
Date
2/20/2026
Purity
99.73%
Quantity
5 mg → 4.45 mg
Lab
Krause Analytical
Vial
White Label / Silver Crimp / Blue Cap
Date
2/2/2026
Purity
99.9%
Quantity
60 mg → 57.9 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Blue Cap
Date
1/26/2026
Purity
99.9%
Quantity
12 mg → 11.6 mg
Lab
Krause Analytical
Vial
White Label / Silver Crimp / Blue Cap
Date
1/15/2026
Purity
99.95%
Quantity
24 mg → 21.8 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Blue Cap
Date
1/7/2026
Purity
98.23%
Quantity
20 mg → 20.3 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Blue Cap
Date
1/1/2026
Purity
99.9%
Quantity
12 mg → 8.4 mg
Lab
BTLabs
Vial
No Label / Silver Crimp / Blue Cap
Date
12/29/2025
Purity
99.8%
Quantity
24 mg → 20.8 mg
Lab
BTLabs
Vial
No Label / Silver Crimp / Blue Cap
Date
12/16/2025
Purity
99.8%
Quantity
12 mg → 41.9 mg
Lab
BTLabs
Vial
No Label / Silver Crimp / Blue Cap
| Product | Date | Score | Purity | Quantity | Lab | COA |
|---|---|---|---|---|---|---|
| RetatrutideNo label / Silver crimp / Blue cap | 7/20/2026 | 10.0 | 99.9% | 60 mg → 69.1 mg | Krause Analytical | View |
| TirzepatideNo label / Silver crimp / Blue cap | 7/13/2026 | 10.0 | 99.9% | 60 mg → 95.7 mg | Krause Analytical | View |
| TirzepatideNo label / Silver crimp / Blue cap | 6/17/2026 | 10.0 | 99.9% | 10 mg → 8.6 mg | BTLabs | View |
| TirzepatideNo label / Silver crimp / Blue cap | 6/17/2026 | — | — | BTLabs | View | |
| RetatrutideNo label / Silver crimp / Blue cap | 6/15/2026 | 10.0 | 99.9% | 30 mg → 29.3 mg | Krause Analytical | View |
| TirzepatideNo label / Silver crimp / Blue cap | 6/8/2026 | 10.0 | 99.9% | 60 mg → 60.7 mg | BTLabs | View |
| TirzepatideNo label / Silver crimp / Blue cap | 6/2/2026 | 9.9 | 99.4% | 60 mg → 102 mg | Krause Analytical | View |
| RetatrutideNo label / Silver crimp / Blue cap | 5/25/2026 | 10.0 | 99.7% | 10 mg → 9.7 mg | BTLabs | View |
| RetatrutideNo label / Silver crimp / Blue cap | 5/24/2026 | — | — | BTLabs | View | |
| RetatrutideNo label / Silver crimp / Blue cap | 5/19/2026 | 10.0 | 99.9% | 30 mg → 30.1 mg | Krause Analytical | View |
| TirzepatideNo label / Silver crimp / Blue cap | 5/19/2026 | 10.0 | 99.9% | 30 mg → 27.2 mg | Krause Analytical | View |
| RetatrutideNo label / Silver crimp / Blue cap | 5/18/2026 | 10.0 | 99.6% | 5 mg → 4.1 mg | BTLabs | View |
| RetatrutideNo Label / Silver Crimp / Blue Cap | 4/28/2026 | 10.0 | 99.9% | 30 mg → 23.8 mg | Krause Analytical | View |
| RetatrutideNo Label / Silver Crimp / Blue Cap | 4/28/2026 | 10.0 | 99.9% | 30 mg → 35 mg | Krause Analytical | View |
| TirzepatideNo Label / Silver Crimp / Blue Cap | 4/28/2026 | 10.0 | 99.9% | 15 mg → 14.2 mg | Krause Analytical | View |
| TirzepatideWhite Label / Silver Crimp / Blue Cap | 4/23/2026 | 10.0 | 99.8% | 30 mg → 24 mg | BTLabs | View |
| TirzepatideWhite Label / Silver Crimp / Blue Cap | 4/23/2026 | 10.0 | 99.9% | 30 mg → 26.2 mg | BTLabs | View |
| TirzepatideWhite Label / Silver Crimp / Blue Cap | 4/23/2026 | 10.0 | 99.9% | 30 mg → 26 mg | BTLabs | View |
| TirzepatideWhite Label / Silver Crimp / Blue Cap | 3/18/2026 | 10.0 | 99.9% | 30 mg → 32.2 mg | Krause Analytical | View |
| TirzepatideNo Label / Silver Crimp / Blue Cap | 3/10/2026 | 9.9 | 99.4% | 30 mg → 37.8 mg | Krause Analytical | View |
| TirzepatideSilver Label / Silver Crimp / Blue Cap | 3/3/2026 | — | — | Krause Analytical | View | |
| RetatrutideNo Label / Silver Crimp / Blue Cap | 3/3/2026 | 10.0 | 99.9% | 20 mg → 19.6 mg | Krause Analytical | View |
| RetatrutideNo Label / Silver Crimp / Blue Cap | 3/3/2026 | 10.0 | 99.9% | 30 mg → 25.3 mg | Krause Analytical | View |
| RetatrutideNo Label / Silver Crimp / Blue Cap | 3/3/2026 | 10.0 | 99.9% | 24 mg → 18.7 mg | Krause Analytical | View |
| RetatrutideNo Label / Silver Crimp / Blue Cap | 3/3/2026 | 10.0 | 99.65% | 30 mg → 29.1 mg | Krause Analytical | View |
| TirzepatideWhite Label / Silver Crimp / Blue Cap | 3/2/2026 | 10.0 | 99.9% | 30 mg → 33.6 mg | Krause Analytical | View |
| TirzepatideNo Label / Silver Crimp / Blue Cap | 2/26/2026 | 9.8 | 98.42% | 30 mg → 31 mg | Krause Analytical | View |
| TirzepatideNo Label / Silver Crimp / Blue Cap | 2/26/2026 | 9.9 | 99.45% | 30 mg → 29.8 mg | Krause Analytical | View |
| TirzepatideNo Label / Silver Crimp / Blue Cap | 2/26/2026 | 9.9 | 99.39% | 20 mg → 19.3 mg | Krause Analytical | View |
| Retatrutide | 2/26/2026 | 9.9 | 99.09% | 60 mg → 53.4 mg | Krause Analytical | View |
| TirzepatideNo Label / Silver Crimp / Blue Cap | 2/26/2026 | 10.0 | 99.61% | 30 mg → 30.1 mg | Krause Analytical | View |
| RetatrutideNo Label / Silver Crimp / Blue Cap | 2/22/2026 | 10.0 | 99.9% | 60 mg → 64.4 mg | Krause Analytical | View |
| RetatrutideNo Label / Silver Crimp / Blue Cap | 2/22/2026 | 10.0 | 99.81% | 20 mg → 21.3 mg | Krause Analytical | View |
| RetatrutideWhite Label / Silver Crimp / Blue Cap | 2/22/2026 | 9.9 | 99.37% | 30 mg → 28.6 mg | Krause Analytical | View |
| TirzepatideWhite Label / Silver Crimp / Blue Cap | 2/20/2026 | 10.0 | 99.81% | 60 mg → 53.1 mg | Krause Analytical | View |
| RetatrutideWhite Label / Silver Crimp / Blue Cap | 2/20/2026 | 10.0 | 99.73% | 5 mg → 4.45 mg | Krause Analytical | View |
| TirzepatideNo Label / Silver Crimp / Blue Cap | 2/2/2026 | 10.0 | 99.9% | 60 mg → 57.9 mg | Krause Analytical | View |
| RetatrutideWhite Label / Silver Crimp / Blue Cap | 1/26/2026 | 10.0 | 99.9% | 12 mg → 11.6 mg | Krause Analytical | View |
| RetatrutideNo Label / Silver Crimp / Blue Cap | 1/15/2026 | 10.0 | 99.95% | 24 mg → 21.8 mg | Krause Analytical | View |
| RetatrutideNo Label / Silver Crimp / Blue Cap | 1/7/2026 | 9.8 | 98.23% | 20 mg → 20.3 mg | Krause Analytical | View |
| RetatrutideNo Label / Silver Crimp / Blue Cap | 1/1/2026 | 10.0 | 99.9% | 12 mg → 8.4 mg | BTLabs | View |
| RetatrutideNo Label / Silver Crimp / Blue Cap | 12/29/2025 | 10.0 | 99.8% | 24 mg → 20.8 mg | BTLabs | View |
| RetatrutideNo Label / Silver Crimp / Blue Cap | 12/16/2025 | 10.0 | 99.8% | 12 mg → 41.9 mg | BTLabs | View |
About Bfflink
Finnrick has tested 43 samples from Bfflink across 2 products.