Is Nanjing Xiyuxun Technology Xyx Legit
Is Nanjing Xiyuxun Technology Xyx Legit? 5 independent lab tests across 2 products, with a limited lab record.
Written by the Peptide Vendor Reviews editorial team
Lab record: Limited
How we rate- 5 independent tests
- 1 of 5 lots filled to label
- Median purity 99.9%
- 1 of 2 products graded D or E
Some of Nanjing Xiyuxun Technology XYX's products graded D or E. The shops below tested A or B for the same peptides.
Better-tested GHK-Cu
Nanjing Xiyuxun Technology XYX graded D. Verified Peptides's GHK-Cu graded A across 3 tests, $0.45 / mg.
Buy from Verified PeptidesAll better-tested optionsPeptide Vendor Reviews independently tests products and verifies reviews. Public methodology, no pay-to-rank.
Better-tested options
Where Nanjing Xiyuxun Technology XYX graded D or E, these shops' samples of the same peptide graded A or B. Ordered by grade, then price per mg. Partner status never changes the order.
GHK-Cu
Nanjing Xiyuxun Technology XYX: grade DNanjing Xiyuxun Technology XYX products we've tested
Best-graded first. Grades come from the share of each product's samples that passed purity and quantity checks. Buy links open Nanjing Xiyuxun Technology XYX's site.
- RetatrutideAGREAT
- Tests
- 2
- Passed
- 100.0%
- GHK-CuDPOOR
- Tests
- 3
- Passed
- 66.7%
What the testing shows
Across 5 measured samples from Nanjing Xiyuxun Technology XYX, 4 came in more than 5% under the quantity on the label (80%). Another 1 measured more than 5% over. Purity across 5 readings ran from 99.56% to 99.95%, median 99.9%. Samples span May 2025 to Sep 2026.
- Under label
- 4/5
- Median purity
- 99.9%
- Latest sample
- Sep 2026
- Ships from
- China
more than 5% short
99.56%–99.95% range
first tested May 2025
per vendor listing
Our read on Nanjing Xiyuxun Technology XYX
4 of Nanjing Xiyuxun Technology XYX's 5 graded samples passed (80%), and 100% of all samples were sent in by buyers rather than by the shop.
When a sample failed, the most common reason was amount in the vial more than 35% off the label (1 time).
Against the 302 shops with at least five graded tests, Nanjing Xiyuxun Technology XYX's pass rate is at or above 70% of them, and it has more tests on record than 0% of them.
When and how Nanjing Xiyuxun Technology XYX was tested
Samples per month. The darker part of each bar failed.
- Labs used
- Krause Analytical (3), Freedom Diagnostics (2)
- Who sent the samples
- buyers 100%
- Batches covered
- 2 distinct batch numbers
Why Nanjing Xiyuxun Technology XYX's failed samples failed
The only failed test, with the lab's reason.
GHK-Cu · Sep 24, 2026
amount in the vial more than 35% off the label
Lab testing results
Independent results across 2 products.
Individual lab tests
Date
9/24/2026
Purity
99.9%
Quantity
50 mg → 27.3 mg
Lab
Krause Analytical
Vial
White label / Silver crimp / Clear Blue cap
Date
5/13/2026
Purity
99.6%
Quantity
100 mg → 68.9 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Clear Blue Cap
Date
10/23/2025
Purity
99.56%
Quantity
10 mg → 7.85 mg
Lab
Krause Analytical
Vial
White Label / Silver Crimp / Clear Blue Cap
Date
7/16/2025
Purity
99.95%
Quantity
50 mg → 53.97 mg
Lab
Freedom Diagnostics
Vial
White Label / Silver Crimp / Blue Cap
Date
5/20/2025
Purity
99.94%
Quantity
30 mg → 25.6 mg
Lab
Freedom Diagnostics
Vial
No Label / Silver Crimp / Violet Cap
| Product | Date | Score | Purity | Quantity | Lab | COA |
|---|---|---|---|---|---|---|
| GHK-CuWhite label / Silver crimp / Clear Blue cap | 9/24/2026 | 10.0 | 99.9% | 50 mg → 27.3 mg | Krause Analytical | View |
| GHK-CuNo Label / Silver Crimp / Clear Blue Cap | 5/13/2026 | 10.0 | 99.6% | 100 mg → 68.9 mg | Krause Analytical | View |
| RetatrutideWhite Label / Silver Crimp / Clear Blue Cap | 10/23/2025 | 10.0 | 99.56% | 10 mg → 7.85 mg | Krause Analytical | View |
| GHK-CuWhite Label / Silver Crimp / Blue Cap | 7/16/2025 | 10.0 | 99.95% | 50 mg → 53.97 mg | Freedom Diagnostics | View |
| RetatrutideNo Label / Silver Crimp / Violet Cap | 5/20/2025 | 10.0 | 99.94% | 30 mg → 25.6 mg | Freedom Diagnostics | View |
Which Nanjing Xiyuxun Technology XYX products tested best
Retatrutide has the strongest record, graded A or B.
GHK-Cu graded D or E: a large share of its samples missed purity or quantity thresholds.
Buying from Nanjing Xiyuxun Technology XYX
If you order from Nanjing Xiyuxun Technology XYX, the A- and B-graded products are the safer picks on this record. For the weaker ones, the better-tested options on this page come from other shops.
We don't track Nanjing Xiyuxun Technology XYX's prices yet. Shipping, payment and refund terms are on their site.
The official store is xiyuxun.en.made-in-china.com. Check the address before you pay.
What to check before you pay
- The lot number on the vial matches the certificate
- The certificate names the lab and the test date
- Fill versus label, not purity alone
- A refund policy in writing
Track Nanjing Xiyuxun Technology XYX
Create a free account to save this vendor, get alerts for new lab tests, and watch price changes.
Nanjing Xiyuxun Technology XYX: common questions
Is Nanjing Xiyuxun Technology XYX legit?
We rate lab records, not businesses. Limited lab record: 5 independent tests, 1 of 5 lots filled to label, median purity 99.9%, 1 of 2 products graded D or E. Each result links to its original certificate in the table above.
What do Nanjing Xiyuxun Technology XYX reviews say?
We don't hold scored customer reviews for Nanjing Xiyuxun Technology XYX yet. The independent lab results on this page are the evidence we have.
Which Nanjing Xiyuxun Technology XYX peptides tested best?
We have graded 2 Nanjing Xiyuxun Technology XYX products. Retatrutide graded A or B. GHK-Cu graded D or E.
Is there a Nanjing Xiyuxun Technology XYX coupon code?
We don't have a verified Nanjing Xiyuxun Technology XYX coupon code. A discount changes the price, not what is in the vial.
Where does Nanjing Xiyuxun Technology XYX ship from?
Public listings place Nanjing Xiyuxun Technology XYX's shipping origin in China. Check the shop's own shipping page before ordering, as origin can change.
Ordering from Nanjing Xiyuxun Technology XYX?
Limited lab record: 5 independent tests, 1 of 5 lots filled to label, median purity 99.9%, 1 of 2 products graded D or E.
Contact
- Nanjing, Jiangsu, China
- xiyuxun.en.made-in-china.com