CX Chengxin reviews
CX Chengxin reviews: 4 independent lab tests across 1 product, with a limited lab record.
Written by the Peptide Vendor Reviews editorial team
Is CX Chengxin legit? Lab record: Limited
How we rate- 4 independent tests
- 2 of 3 lots filled to label
- Median purity 99.9%
- Its tested product graded C or better
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Vendor website
Visit CX Chengxin
4 independent COAs · not paid-to-rank · 1 of 3 lots under label
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Peptide Vendor Reviews independently tests products and verifies reviews. Public methodology, no pay-to-rank.
CX Chengxin 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 CX Chengxin's site.
- RetatrutideAGREAT
- Tests
- 4
- Passed
- 100.0%
What the testing shows
Across 3 measured samples from CX Chengxin, 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 99.7% to 99.9%, median 99.9%. Samples span May 2026 to Oct 2026.
- Under label
- 1/3
- Median purity
- 99.9%
- Latest sample
- Oct 2026
more than 5% short
99.7%–99.9% range
first tested May 2026
Our read on CX Chengxin
3 of CX Chengxin's 3 graded samples passed (100%), and 100% of all samples were sent in by buyers rather than by the shop.
When and how CX Chengxin was tested
Samples per month. The darker part of each bar failed.
- Labs used
- BTLabs (4)
- Who sent the samples
- buyers 100%
- Batches covered
- 1 distinct batch numbers; 1 checked for endotoxins
Lab testing results
Independent results across 1 product.
Individual lab tests
Date
10/3/2026
Purity
99.9%
Quantity
30 mg → 30.7 mg
Lab
BTLabs
Vial
Silver crimp / Black cap
Date
9/5/2026
Purity
99.9%
Quantity
20 mg → 22.2 mg
Lab
BTLabs
Vial
White label / Silver crimp / Pink cap
Date
9/3/2026
Purity
—
Quantity
—
Lab
BTLabs
Vial
White label / Silver crimp / Pink cap
Date
5/25/2026
Purity
99.7%
Quantity
30 mg → 26.2 mg
Lab
BTLabs
Vial
No label / Silver crimp / White cap
| Product | Date | Score | Purity | Quantity | Lab | COA |
|---|---|---|---|---|---|---|
| RetatrutideSilver crimp / Black cap | 10/3/2026 | 10.0 | 99.9% | 30 mg → 30.7 mg | BTLabs | View |
| RetatrutideWhite label / Silver crimp / Pink cap | 9/5/2026 | 10.0 | 99.9% | 20 mg → 22.2 mg | BTLabs | View |
| RetatrutideWhite label / Silver crimp / Pink cap | 9/3/2026 | — | — | BTLabs | View | |
| RetatrutideNo label / Silver crimp / White cap | 5/25/2026 | 10.0 | 99.7% | 30 mg → 26.2 mg | BTLabs | View |
Which CX Chengxin products tested best
Retatrutide has the strongest record, graded A or B.
Buying from CX Chengxin
If you order from CX Chengxin, start with the graded products in the table: each one links straight to the shop.
We don't track CX Chengxin's prices yet. Shipping, payment and refund terms are on their site.
The official store is www.hkchengtian.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 CX Chengxin
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CX Chengxin: common questions
Is CX Chengxin legit?
We rate lab records, not businesses. Limited lab record: 4 independent tests, 2 of 3 lots filled to label, median purity 99.9%, its tested product graded C or better. Each result links to its original certificate in the table above.
What do CX Chengxin reviews say?
We don't hold scored customer reviews for CX Chengxin yet. The independent lab results on this page are the evidence we have.
Which CX Chengxin peptides tested best?
We have graded 1 CX Chengxin product. Retatrutide graded A or B.
Is there a CX Chengxin coupon code?
We don't have a verified CX Chengxin coupon code. A discount changes the price, not what is in the vial.
Ordering from CX Chengxin?
Limited lab record: 4 independent tests, 2 of 3 lots filled to label, median purity 99.9%, its tested product graded C or better.