Xingyue reviews
Xingyue reviews: 3 independent lab tests across 1 product, with a limited lab record.
Written by the Peptide Vendor Reviews editorial team
Is Xingyue legit? Lab record: Limited
How we rate- 3 independent tests
- 2 of 3 lots filled to label
- Median purity 99.65%
- 1 of 1 product graded D or E
Some of Xingyue's products graded D or E. The shops below tested A or B for the same peptides.
Better-tested Retatrutide
Xingyue graded D. Paradigm Peptide's Retatrutide graded A across 8 tests, $10.00 / mg.
Buy from Paradigm PeptideAll better-tested optionsPeptide Vendor Reviews independently tests products and verifies reviews. Public methodology, no pay-to-rank.
Better-tested options
Where Xingyue 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.
Retatrutide
Xingyue: grade DXingyue 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 Xingyue's site.
- RetatrutideDPOOR
- Tests
- 3
- Passed
- 66.7%
What the testing shows
Across 3 measured samples from Xingyue, 1 came in more than 5% under the quantity on the label (33%). Another 2 measured more than 5% over. Purity across 3 readings ran from 99.4% to 99.9%, median 99.65%. Samples span Oct 2025 to Jul 2026.
- Under label
- 1/3
- Median purity
- 99.65%
- Latest sample
- Jul 2026
- Ships from
- China
more than 5% short
99.4%–99.9% range
first tested Oct 2025
per vendor listing
Our read on Xingyue
2 of Xingyue's 3 graded samples passed (67%), and 100% of all samples were sent in by buyers rather than by the shop.
When a sample failed, the most common reason was purity under 99.5% (1 time).
When and how Xingyue was tested
Samples per month. The darker part of each bar failed.
- Labs used
- Krause Analytical (2), BTLabs (1)
- Who sent the samples
- buyers 100%
- Batches covered
- 1 distinct batch numbers
Why Xingyue's failed samples failed
The only failed test, with the lab's reason.
Retatrutide · Oct 13, 2025
purity under 99.5%
Lab testing results
Independent results across 1 product.
Individual lab tests
Date
7/13/2026
Purity
99.9%
Quantity
60 mg → 48.9 mg
Lab
Krause Analytical
Vial
No label / Copper crimp / Clear cap
Date
2/11/2026
Purity
99.65%
Quantity
15 mg → 15.9 mg
Lab
Krause Analytical
Vial
White Label / Black Crimp / Clear Cap
Date
10/13/2025
Purity
99.4%
Quantity
10 mg → 11.4 mg
Lab
BTLabs
Vial
No Label / Silver Crimp / Purple Cap
| Product | Date | Score | Purity | Quantity | Lab | COA |
|---|---|---|---|---|---|---|
| RetatrutideNo label / Copper crimp / Clear cap | 7/13/2026 | 10.0 | 99.9% | 60 mg → 48.9 mg | Krause Analytical | View |
| RetatrutideWhite Label / Black Crimp / Clear Cap | 2/11/2026 | 10.0 | 99.65% | 15 mg → 15.9 mg | Krause Analytical | View |
| RetatrutideNo Label / Silver Crimp / Purple Cap | 10/13/2025 | 9.9 | 99.4% | 10 mg → 11.4 mg | BTLabs | View |
Which Xingyue products tested best
Retatrutide graded D or E: a large share of its samples missed purity or quantity thresholds.
Buying from Xingyue
We don't track Xingyue's prices yet. Shipping, payment and refund terms are on their site.
The official store is xm-xingyue.manufacturer.globalsources.com/homepage_6003002386479.htm. 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 Xingyue
Create a free account to save this vendor, get alerts for new lab tests, and watch price changes.
Xingyue: common questions
Is Xingyue legit?
We rate lab records, not businesses. Limited lab record: 3 independent tests, 2 of 3 lots filled to label, median purity 99.65%, 1 of 1 product graded D or E. Each result links to its original certificate in the table above.
What do Xingyue reviews say?
We don't hold scored customer reviews for Xingyue yet. The independent lab results on this page are the evidence we have.
Which Xingyue peptides tested best?
We have graded 1 Xingyue product. Retatrutide graded D or E.
Is there a Xingyue coupon code?
We don't have a verified Xingyue coupon code. A discount changes the price, not what is in the vial.
Where does Xingyue ship from?
Public listings place Xingyue's shipping origin in China. Check the shop's own shipping page before ordering, as origin can change.
Ordering from Xingyue?
Limited lab record: 3 independent tests, 2 of 3 lots filled to label, median purity 99.65%, 1 of 1 product graded D or E.
About Xingyue
Whatsapp +44 7749 153457