Jinan Elitepeptide Chemical JEC JCE reviews
12 independent lab tests across 2 products · 99.8% average purity
- 12 HPLC samples across 2 products
- Catalog avg purity 99.8%
- glp1forum.com/threads/jinan-elitepeptide-chemical-co-ltd-jec-jce.3688
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What the testing shows
Across 12 measured samples from Jinan Elitepeptide Chemical JEC JCE, 3 came in more than 5% under the quantity on the label (25%). Another 6 measured more than 5% over. Purity across 12 readings ran from 99.6% to 99.9%, median 99.85%. Samples span Oct 2025 to Jul 2026.
- Under label
- 3/12
- Median purity
- 99.85%
- Latest sample
- Jul 2026
- Ships from
- China
more than 5% short
99.6%–99.9% range
first tested Oct 2025
per vendor listing
Lab testing results
Independent results across 2 products.
Tested products
| Product | Grade | Tests | Avg | Range | Latest | Price | $/mg |
|---|---|---|---|---|---|---|---|
| Tirzepatide | AGREAT | 7 | 100.0% | 99.7% – 99.9% | 7/20/2026 | — | — |
| Retatrutide | AGREAT | 5 | 100.0% | 99.6% – 99.9% | 7/20/2026 | — | — |
Individual lab tests
Date
7/20/2026
Purity
99.9%
Quantity
20 mg → 18 mg
Lab
Krause Analytical
Vial
No label / Silver crimp / Violet cap
Date
7/20/2026
Purity
99.9%
Quantity
30 mg → 28.3 mg
Lab
Krause Analytical
Vial
No label / Silver crimp / Pink cap
Date
3/4/2026
Purity
99.8%
Quantity
10 mg → 10.5 mg
Lab
BTLabs
Vial
No Label / Silver Crimp / Clear Red Cap
Date
3/4/2026
Purity
99.8%
Quantity
60 mg → 60.6 mg
Lab
BTLabs
Vial
No Label / Silver Crimp / Green Cap
Date
3/4/2026
Purity
99.7%
Quantity
10 mg → 11.5 mg
Lab
BTLabs
Vial
No Label / Silver Crimp / White Cap
Date
3/2/2026
Purity
99.9%
Quantity
60 mg → 67.2 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Clear Red Cap
Date
2/11/2026
Purity
99.9%
Quantity
20 mg → 22 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Blue Cap
Date
1/26/2026
Purity
99.8%
Quantity
5 mg → 5.41 mg
Lab
Krause Analytical
Vial
White Label / Silver Crimp / Gray Cap
Date
1/22/2026
Purity
99.9%
Quantity
20 mg → 26.1 mg
Lab
BTLabs
Vial
Yellow Label / Copper Crimp / Clear Cap
Date
1/22/2026
Purity
99.9%
Quantity
30 mg → 35.1 mg
Lab
BTLabs
Vial
Yellow Label / Silver Crimp / Orange Cap
Date
12/29/2025
Purity
99.6%
Quantity
10 mg → 9.8 mg
Lab
BTLabs
Vial
No Label / Silver Crimp / White Cap
| Product | Date | Score | Purity | Quantity | Lab | COA |
|---|---|---|---|---|---|---|
| TirzepatideNo label / Silver crimp / Violet cap | 7/20/2026 | 10.0 | 99.9% | 20 mg → 18 mg | Krause Analytical | View |
| RetatrutideNo label / Silver crimp / Pink cap | 7/20/2026 | 10.0 | 99.9% | 30 mg → 28.3 mg | Krause Analytical | View |
| TirzepatideNo Label / Silver Crimp / Clear Red Cap | 3/4/2026 | 10.0 | 99.8% | 10 mg → 10.5 mg | BTLabs | View |
| TirzepatideNo Label / Silver Crimp / Green Cap | 3/4/2026 | 10.0 | 99.8% | 60 mg → 60.6 mg | BTLabs | View |
| RetatrutideNo Label / Silver Crimp / White Cap | 3/4/2026 | 10.0 | 99.7% | 10 mg → 11.5 mg | BTLabs | View |
| TirzepatideNo Label / Silver Crimp / Clear Red Cap | 3/2/2026 | 10.0 | 99.9% | 60 mg → 67.2 mg | Krause Analytical | View |
| RetatrutideNo Label / Silver Crimp / Blue Cap | 2/11/2026 | 10.0 | 99.9% | 20 mg → 22 mg | Krause Analytical | View |
| RetatrutideWhite Label / Silver Crimp / Gray Cap | 1/26/2026 | 10.0 | 99.8% | 5 mg → 5.41 mg | Krause Analytical | View |
| TirzepatideYellow Label / Copper Crimp / Clear Cap | 1/22/2026 | 10.0 | 99.9% | 20 mg → 26.1 mg | BTLabs | View |
| TirzepatideYellow Label / Silver Crimp / Orange Cap | 1/22/2026 | 10.0 | 99.9% | 30 mg → 35.1 mg | BTLabs | View |
| RetatrutideNo Label / Silver Crimp / White Cap | 12/29/2025 | 10.0 | 99.6% | 10 mg → 9.8 mg | BTLabs | View |
| Tirzepatide | 10/14/2025 | 10.0 | 99.7% | 50 mg → 43.2 mg | BTLabs | View |
About Jinan Elitepeptide Chemical JEC JCE
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