Nanjing Peptide Biotechnology reviews
4 independent lab tests across 1 product · 99.3% average purity
- 4 HPLC samples across 1 products
- Catalog avg purity 99.3%
- www.njpeptide.com
- Independent testing, no pay-to-rank
Boren Health independently tests products and verifies reviews. Public methodology, no pay-to-rank.
Track Nanjing Peptide Biotechnology
Create a free account to save this vendor, get alerts for new lab tests, and watch price changes.
What the testing shows
Across 3 measured samples from Nanjing Peptide Biotechnology, 1 came in more than 5% under the quantity on the label (33%). Another 1 measured more than 5% over. Purity across 3 readings ran from 98.2% to 99.9%, median 99.7%. Samples span Apr 2026 to Jun 2026.
- Under label
- 1/3
- Median purity
- 99.7%
- Latest sample
- Jun 2026
more than 5% short
98.2%–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% | 98.2% – 99.9% | 6/26/2026 | — | — |
Individual lab tests
Date
6/26/2026
Purity
98.2%
Quantity
50 mg → 38.8 mg
Lab
BTLabs
Vial
White label / Silver crimp / Blue cap
Date
6/26/2026
Purity
—
Quantity
—
Lab
BTLabs
Vial
White label / Silver crimp / Blue cap
Date
6/26/2026
Purity
99.7%
Quantity
20 mg → 21.6 mg
Lab
BTLabs
Vial
White label / Silver crimp / White cap
| Product | Date | Score | Purity | Quantity | Lab | COA |
|---|---|---|---|---|---|---|
| RetatrutideWhite label / Silver crimp / Blue cap | 6/26/2026 | 9.8 | 98.2% | 50 mg → 38.8 mg | BTLabs | View |
| RetatrutideWhite label / Silver crimp / Blue cap | 6/26/2026 | — | — | BTLabs | View | |
| RetatrutideWhite label / Silver crimp / White cap | 6/26/2026 | 10.0 | 99.7% | 20 mg → 21.6 mg | BTLabs | View |
| Retatrutide | 4/26/2026 | 10.0 | 99.9% | 15 mg → 14.6 mg | Krause Analytical | View |
About Nanjing Peptide Biotechnology
Finnrick has tested 4 samples from Nanjing Peptide Biotechnology across 1 products.