Hengan Peptide Factory reviews
4 independent lab tests across 1 product · 99.5% average purity
- 4 HPLC samples across 1 products
- Catalog avg purity 99.5%
- www.henganpeptidefactory.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 2 measured samples from Hengan Peptide Factory, 1 came in more than 5% under the quantity on the label (50%). Purity across 3 readings ran from 98.7% to 99.9%, median 99.8%. Samples span Apr 2026 to Jul 2026.
- Under label
- 1/2
- Median purity
- 99.8%
- Latest sample
- Jul 2026
more than 5% short
98.7%–99.9% range
first tested Apr 2026
Lab testing results
Independent results across 1 product.
Tested products
| Product | Grade | Tests | Avg | Range | Latest | Price | $/mg |
|---|---|---|---|---|---|---|---|
| Retatrutide | EBAD | 4 | 50.0% | 98.7% – 99.9% | 7/20/2026 | — | — |
Individual lab tests
Date
7/20/2026
Purity
99.8%
Quantity
30 mg → 29.9 mg
Lab
BTLabs
Vial
White label / Silver crimp / Clear Blue cap
Date
7/14/2026
Purity
—
Quantity
—
Lab
Krause Analytical
Vial
No label / Silver crimp / Red cap
Date
6/16/2026
Purity
99.9%
Quantity
20 mg → 17.2 mg
Lab
Krause Analytical
Vial
White label / Silver crimp / Blue cap
Date
4/26/2026
Purity
98.7%
Quantity
10 mg → 1.93 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / White Cap
| Product | Date | Score | Purity | Quantity | Lab | COA |
|---|---|---|---|---|---|---|
| RetatrutideWhite label / Silver crimp / Clear Blue cap | 7/20/2026 | 10.0 | 99.8% | 30 mg → 29.9 mg | BTLabs | View |
| RetatrutideNo label / Silver crimp / Red cap | 7/14/2026 | — | — | Krause Analytical | View | |
| RetatrutideWhite label / Silver crimp / Blue cap | 6/16/2026 | 10.0 | 99.9% | 20 mg → 17.2 mg | Krause Analytical | View |
| RetatrutideNo Label / Silver Crimp / White Cap | 4/26/2026 | 9.9 | 98.7% | 10 mg → 1.93 mg | Krause Analytical | View |
About Hengan Peptide Factory
Finnrick has tested 4 samples from Hengan Peptide Factory across 1 products.