Zztai Peptides Reviews
Zztai Peptides Reviews: 35 independent lab tests across 3 products, averaging 99.6% purity.
- 35 HPLC samples across 3 products
- Catalog avg purity 99.6%
- zztai-tech.com
- Independent testing, no pay-to-rank
Boren Health independently tests products and verifies reviews. Public methodology, no pay-to-rank.
Track Zztai Peptide
Create a free account to save this vendor, get alerts for new lab tests, and watch price changes.
What the testing shows
Across 35 measured samples from Zztai Peptide, 14 came in more than 5% under the quantity on the label (40%). Another 7 measured more than 5% over. Purity across 35 readings ran from 96.63% to 99.95%, median 99.74%. Samples span Jun 2025 to Mar 2026.
- Under label
- 14/35
- Median purity
- 99.74%
- Latest sample
- Mar 2026
- Ships from
- Guangdong
more than 5% short
96.63%–99.95% range
first tested Jun 2025
per vendor listing
Lab testing results
Independent results across 3 products.
Tested products
| Product | Grade | Tests | Avg | Range | Latest | Price | $/mg |
|---|---|---|---|---|---|---|---|
| GHK-Cu | AGREAT | 4 | 100.0% | 99.7% – 99.9% | 2/15/2026 | — | — |
| Retatrutide | AGREAT | 11 | 90.9% | 96.6% – 99.9% | 2/22/2026 | — | — |
| Tirzepatide | COKAY | 20 | 70.0% | 98.4% – 99.9% | 3/25/2026 | — | — |
Individual lab tests
Date
3/25/2026
Purity
99.8%
Quantity
20 mg → 22 mg
Lab
BTLabs
Vial
No Label / Silver Crimp / Black Cap
Date
2/22/2026
Purity
99.74%
Quantity
30 mg → 30.2 mg
Lab
Krause Analytical
Vial
White Label / Red Crimp / Clear Cap
Date
2/15/2026
Purity
99.5%
Quantity
5 mg → 4.6 mg
Lab
BTLabs
Vial
No Label / Silver Crimp / Green Cap
Date
2/15/2026
Purity
99.7%
Quantity
50 mg → 40.5 mg
Lab
BTLabs
Vial
No Label / Silver Crimp / Red Cap
Date
1/15/2026
Purity
99.95%
Quantity
50 mg → 46.4 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / White Cap
Date
1/9/2026
Purity
99.95%
Quantity
10 mg → 8.96 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / White Cap
Date
1/7/2026
Purity
99.7%
Quantity
10 mg → 10.5 mg
Lab
BTLabs
Vial
No Label / Silver Crimp / Green Cap
Date
1/7/2026
Purity
99.7%
Quantity
10 mg → 9.7 mg
Lab
BTLabs
Vial
No Label / Silver Crimp / Red Cap
Date
1/6/2026
Purity
99.95%
Quantity
50 mg → 50.9 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Clear Blue Cap
Date
1/1/2026
Purity
99.8%
Quantity
15 mg → 15.8 mg
Lab
BTLabs
Vial
No Label / Silver Crimp / Violet Cap
Date
12/16/2025
Purity
99.7%
Quantity
10 mg → 10.3 mg
Lab
BTLabs
Vial
No Label / Silver Crimp / White Cap
Date
12/13/2025
Purity
99.7%
Quantity
15 mg → 22.3 mg
Lab
BTLabs
Vial
No Label / Gold Crimp / Clear Cap
Date
12/13/2025
Purity
99.8%
Quantity
20 mg → 19.5 mg
Lab
BTLabs
Vial
White Label / Silver Crimp / Yellow Cap
Date
11/4/2025
Purity
99.95%
Quantity
50 mg → 49.7 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Blue Cap
Date
10/30/2025
Purity
99.7%
Quantity
15 mg → 16.32 mg
Lab
BTLabs
Vial
No Label / Silver Crimp / Violet Cap
Date
10/24/2025
Purity
99.7%
Quantity
30 mg → 27.09 mg
Lab
BTLabs
Vial
No Label / Silver Crimp / Black Cap
Date
9/18/2025
Purity
99.94%
Quantity
10 mg → 9.2 mg
Lab
Krause Analytical
Vial
No Label / Gold Crimp / Clear Cap
Date
9/18/2025
Purity
99.92%
Quantity
10 mg → 11.7 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Green Cap
Date
9/18/2025
Purity
99.95%
Quantity
5 mg → 5.91 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Blue Cap
Date
9/4/2025
Purity
96.63%
Quantity
10 mg → 9.92 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Red Cap
Date
8/31/2025
Purity
98.59%
Quantity
15 mg → 13.6 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Violet Cap
Date
8/28/2025
Purity
99.07%
Quantity
20 mg → 19.9 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Purple Cap
Date
8/28/2025
Purity
99.87%
Quantity
30 mg → 27.7 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Black Cap
Date
8/11/2025
Purity
99.9%
Quantity
10 mg → 8.95 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Red Cap
Date
8/5/2025
Purity
98.35%
Quantity
20 mg → 19.7 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Violet Cap
Date
8/4/2025
Purity
99.63%
Quantity
30 mg → 28.8 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Green Cap
Date
8/4/2025
Purity
99.75%
Quantity
10 mg → 8.76 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / White Cap
Date
8/4/2025
Purity
99.95%
Quantity
5 mg → 5.02 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Clear Cap
Date
8/3/2025
Purity
99.856%
Quantity
10 mg → 11.49 mg
Lab
Chromate
Vial
No Label / Silver Crimp / Green Cap
Date
7/25/2025
Purity
99.95%
Quantity
5 mg → 5.03 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Blue Cap
Date
6/29/2025
Purity
99.59%
Quantity
15 mg → 13.6 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Violet Cap
Date
6/9/2025
Purity
99.41%
Quantity
5 mg → 4.59 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Clear Blue Cap
Date
6/9/2025
Purity
99.21%
Quantity
10 mg → 8.88 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Green Cap
Date
6/9/2025
Purity
99.77%
Quantity
20 mg → 20.1 mg
Lab
Krause Analytical
Vial
No Label / Gold Crimp / Clear Cap
Date
6/9/2025
Purity
99.6%
Quantity
10 mg → 8.75 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Green Cap
| Product | Date | Score | Purity | Quantity | Lab | COA |
|---|---|---|---|---|---|---|
| TirzepatideNo Label / Silver Crimp / Black Cap | 3/25/2026 | 10.0 | 99.8% | 20 mg → 22 mg | BTLabs | View |
| RetatrutideWhite Label / Red Crimp / Clear Cap | 2/22/2026 | 10.0 | 99.74% | 30 mg → 30.2 mg | Krause Analytical | View |
| RetatrutideNo Label / Silver Crimp / Green Cap | 2/15/2026 | 9.9 | 99.5% | 5 mg → 4.6 mg | BTLabs | View |
| GHK-CuNo Label / Silver Crimp / Red Cap | 2/15/2026 | 10.0 | 99.7% | 50 mg → 40.5 mg | BTLabs | View |
| GHK-CuNo Label / Silver Crimp / White Cap | 1/15/2026 | 10.0 | 99.95% | 50 mg → 46.4 mg | Krause Analytical | View |
| TirzepatideNo Label / Silver Crimp / White Cap | 1/9/2026 | 10.0 | 99.95% | 10 mg → 8.96 mg | Krause Analytical | View |
| TirzepatideNo Label / Silver Crimp / Green Cap | 1/7/2026 | 10.0 | 99.7% | 10 mg → 10.5 mg | BTLabs | View |
| RetatrutideNo Label / Silver Crimp / Red Cap | 1/7/2026 | 10.0 | 99.7% | 10 mg → 9.7 mg | BTLabs | View |
| GHK-CuNo Label / Silver Crimp / Clear Blue Cap | 1/6/2026 | 10.0 | 99.95% | 50 mg → 50.9 mg | Krause Analytical | View |
| TirzepatideNo Label / Silver Crimp / Violet Cap | 1/1/2026 | 10.0 | 99.8% | 15 mg → 15.8 mg | BTLabs | View |
| RetatrutideNo Label / Silver Crimp / White Cap | 12/16/2025 | 10.0 | 99.7% | 10 mg → 10.3 mg | BTLabs | View |
| TirzepatideNo Label / Gold Crimp / Clear Cap | 12/13/2025 | 10.0 | 99.7% | 15 mg → 22.3 mg | BTLabs | View |
| TirzepatideWhite Label / Silver Crimp / Yellow Cap | 12/13/2025 | 10.0 | 99.8% | 20 mg → 19.5 mg | BTLabs | View |
| GHK-CuNo Label / Silver Crimp / Blue Cap | 11/4/2025 | 10.0 | 99.95% | 50 mg → 49.7 mg | Krause Analytical | View |
| TirzepatideNo Label / Silver Crimp / Violet Cap | 10/30/2025 | 10.0 | 99.7% | 15 mg → 16.32 mg | BTLabs | View |
| TirzepatideNo Label / Silver Crimp / Black Cap | 10/24/2025 | 10.0 | 99.7% | 30 mg → 27.09 mg | BTLabs | View |
| RetatrutideNo Label / Gold Crimp / Clear Cap | 9/18/2025 | 10.0 | 99.94% | 10 mg → 9.2 mg | Krause Analytical | View |
| TirzepatideNo Label / Silver Crimp / Green Cap | 9/18/2025 | 10.0 | 99.92% | 10 mg → 11.7 mg | Krause Analytical | View |
| TirzepatideNo Label / Silver Crimp / Blue Cap | 9/18/2025 | 10.0 | 99.95% | 5 mg → 5.91 mg | Krause Analytical | View |
| RetatrutideNo Label / Silver Crimp / Red Cap | 9/4/2025 | 9.7 | 96.63% | 10 mg → 9.92 mg | Krause Analytical | View |
| TirzepatideNo Label / Silver Crimp / Violet Cap | 8/31/2025 | 9.9 | 98.59% | 15 mg → 13.6 mg | Krause Analytical | View |
| TirzepatideNo Label / Silver Crimp / Purple Cap | 8/28/2025 | 9.9 | 99.07% | 20 mg → 19.9 mg | Krause Analytical | View |
| TirzepatideNo Label / Silver Crimp / Black Cap | 8/28/2025 | 10.0 | 99.87% | 30 mg → 27.7 mg | Krause Analytical | View |
| RetatrutideNo Label / Silver Crimp / Red Cap | 8/11/2025 | 10.0 | 99.9% | 10 mg → 8.95 mg | Krause Analytical | View |
| TirzepatideNo Label / Silver Crimp / Violet Cap | 8/5/2025 | 9.8 | 98.35% | 20 mg → 19.7 mg | Krause Analytical | View |
| RetatrutideNo Label / Silver Crimp / Green Cap | 8/4/2025 | 10.0 | 99.63% | 30 mg → 28.8 mg | Krause Analytical | View |
| RetatrutideNo Label / Silver Crimp / White Cap | 8/4/2025 | 10.0 | 99.75% | 10 mg → 8.76 mg | Krause Analytical | View |
| RetatrutideNo Label / Silver Crimp / Clear Cap | 8/4/2025 | 10.0 | 99.95% | 5 mg → 5.02 mg | Krause Analytical | View |
| TirzepatideNo Label / Silver Crimp / Green Cap | 8/3/2025 | 10.0 | 99.856% | 10 mg → 11.49 mg | Chromate | View |
| TirzepatideNo Label / Silver Crimp / Blue Cap | 7/25/2025 | 10.0 | 99.95% | 5 mg → 5.03 mg | Krause Analytical | View |
| TirzepatideNo Label / Silver Crimp / Violet Cap | 6/29/2025 | 10.0 | 99.59% | 15 mg → 13.6 mg | Krause Analytical | View |
| TirzepatideNo Label / Silver Crimp / Clear Blue Cap | 6/9/2025 | 9.9 | 99.41% | 5 mg → 4.59 mg | Krause Analytical | View |
| TirzepatideNo Label / Silver Crimp / Green Cap | 6/9/2025 | 9.9 | 99.21% | 10 mg → 8.88 mg | Krause Analytical | View |
| RetatrutideNo Label / Gold Crimp / Clear Cap | 6/9/2025 | 10.0 | 99.77% | 20 mg → 20.1 mg | Krause Analytical | View |
| TirzepatideNo Label / Silver Crimp / Green Cap | 6/9/2025 | 10.0 | 99.6% | 10 mg → 8.75 mg | Krause Analytical | View |
About Zztai Peptide
Finnrick has tested 35 samples from Zztai Peptide across 3 products.
Contact
- Hong Kong, Shenzhen, Guangdong
- zztai-tech.com