Is Yiwu Aozuo Trading Co Legit
Is Yiwu Aozuo Trading Co Legit? 146 independent lab tests across 11 products, with a mixed lab record.
Written by the Peptide Vendor Reviews editorial team
Lab record: Mixed
How we rate- 146 independent tests
- 112 of 144 lots filled to label
- Median purity 99.82%
- 2 of 10 products graded D or E
Some of Yiwu Aozuo Trading Co's products graded D or E. The shops below tested A or B for the same peptides.
Better-tested BPC-157
Yiwu Aozuo Trading Co graded E. Zenith Jove Peptide ZJ's BPC-157 graded A across 10 tests.
Buy from Zenith Jove Peptide ZJAll better-tested optionsPeptide Vendor Reviews independently tests products and verifies reviews. Public methodology, no pay-to-rank.
Better-tested options
Where Yiwu Aozuo Trading Co 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.
BPC-157
Yiwu Aozuo Trading Co: grade ETesamorelin
Yiwu Aozuo Trading Co: grade EYiwu Aozuo Trading Co 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 Yiwu Aozuo Trading Co's site.
- TirzepatideAGREAT
- Tests
- 31
- Passed
- 93.6%
- GHK-CuAGREAT
- Tests
- 16
- Passed
- 93.8%
- PT-141AGREAT
- Tests
- 3
- Passed
- 100.0%
- SemaglutideAGREAT
- Tests
- 2
- Passed
- 100.0%
- RetatrutideBGOOD
- Tests
- 38
- Passed
- 81.6%
- IpamorelinBGOOD
- Tests
- 10
- Passed
- 80.0%
- TB-500BGOOD
- Tests
- 6
- Passed
- 83.3%
- CagrilintideCOKAY
- Tests
- 7
- Passed
- 71.4%
- BPC-157EBAD
- Tests
- 17
- Passed
- 58.8%
- TesamorelinEBAD
- Tests
- 13
- Passed
- 53.8%
- Tests
- 3
- Passed
- —
What the testing shows
Across 144 measured samples from Yiwu Aozuo Trading Co, 32 came in more than 5% under the quantity on the label (22%). Another 51 measured more than 5% over. Purity across 144 readings ran from 84.6% to 100%, median 99.82%. Samples span Jun 2025 to Oct 2026.
- Under label
- 32/144
- Median purity
- 99.82%
- Latest sample
- Oct 2026
- Ships from
- China
more than 5% short
84.6%–100% range
first tested Jun 2025
per vendor listing
Our read on Yiwu Aozuo Trading Co
115 of Yiwu Aozuo Trading Co's 146 graded samples passed (79%), and 100% of all samples were sent in by buyers rather than by the shop.
Results are slipping: 58% passed over the latest six months, down from 84% before.
When a sample failed, the most common reason was purity under 99.5% (28 times).
2 samples failed identity, meaning the lab could not confirm the vial held the labelled peptide.
Against the 302 shops with at least five graded tests, Yiwu Aozuo Trading Co's pass rate is at or above 65% of them, and it has more tests on record than 95% of them.
When and how Yiwu Aozuo Trading Co was tested
Samples per month. The darker part of each bar failed.
- Labs used
- Krause Analytical (103), BTLabs (28), Ichor Life Sciences (4), Freedom Diagnostics (4)
- Who sent the samples
- buyers 100%
- Batches covered
- 82 distinct batch numbers; 8 checked for endotoxins
Why Yiwu Aozuo Trading Co's failed samples failed
The 6 most recent failed tests, with the lab's reason.
BPC-157 · Oct 6, 2026
purity under 99.5%
Tirzepatide · Sep 16, 2026
purity under 99.5%; amount in the vial more than 35% off the label
BPC-157 · Sep 15, 2026
purity under 99.5%
GHK-Cu · Sep 15, 2026
the lab could not confirm it was the labelled peptide
Sermorelin · Sep 14, 2026
purity under 99.5%
Tesamorelin · Sep 10, 2026
purity under 99.5%
Lab testing results
Independent results across 11 products.
Individual lab tests
Date
10/9/2026
Purity
99.9%
Quantity
50 mg → 49.99 mg
Lab
Harrens Lab
Vial
Silver crimp / Purple cap
Date
10/6/2026
Purity
97.69%
Quantity
5 mg → 5.16597 mg
Lab
Ichor Life Sciences
Vial
Silver crimp / Green cap
Date
10/6/2026
Purity
100%
Quantity
15 mg → 19.311 mg
Lab
Ichor Life Sciences
Vial
Silver crimp / Orange cap
Date
9/16/2026
Purity
93.85%
Quantity
40 mg → 57.3871 mg
Lab
Ichor Life Sciences
Vial
No label / Silver crimp / Violet cap
Date
9/16/2026
Purity
100%
Quantity
40 mg → 43.46 mg
Lab
Ichor Life Sciences
Vial
No label / Silver crimp / Violet cap
| Product | Date | Score | Purity | Quantity | Lab | COA |
|---|---|---|---|---|---|---|
| GHK-CuSilver crimp / Purple cap | 10/9/2026 | 10.0 | 99.9% | 50 mg → 49.99 mg | Harrens Lab | View |
| BPC-157Silver crimp / Green cap | 10/6/2026 | 9.8 | 97.69% | 5 mg → 5.16597 mg | Ichor Life Sciences | View |
| RetatrutideSilver crimp / Orange cap | 10/6/2026 | 10.0 | 100% | 15 mg → 19.311 mg | Ichor Life Sciences | View |
| TirzepatideNo label / Silver crimp / Violet cap | 9/16/2026 | 9.4 | 93.85% | 40 mg → 57.3871 mg | Ichor Life Sciences | View |
| TirzepatideNo label / Silver crimp / Violet cap | 9/16/2026 | 10.0 | 100% | 40 mg → 43.46 mg | Ichor Life Sciences | View |
Which Yiwu Aozuo Trading Co products tested best
PT-141, Semaglutide, GHK-Cu, Tirzepatide, TB-500, Retatrutide and Ipamorelin have the strongest record, graded A or B.
Cagrilintide graded C.
BPC-157 and Tesamorelin graded D or E: a large share of their samples missed purity or quantity thresholds.
Buying from Yiwu Aozuo Trading Co
If you order from Yiwu Aozuo Trading Co, 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 Yiwu Aozuo Trading Co's prices yet. Shipping, payment and refund terms are on their site.
The official store is www.ywaozuopeptides.com/ https://www.aozuopeptide.com/ Www.ywaozuo.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 Yiwu Aozuo Trading Co
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Yiwu Aozuo Trading Co: common questions
Is Yiwu Aozuo Trading Co legit?
We rate lab records, not businesses. Mixed lab record: 146 independent tests, 112 of 144 lots filled to label, median purity 99.82%, 2 of 10 products graded D or E. Each result links to its original certificate in the table above.
What do Yiwu Aozuo Trading Co reviews say?
We don't hold scored customer reviews for Yiwu Aozuo Trading Co yet. The independent lab results on this page are the evidence we have.
Which Yiwu Aozuo Trading Co peptides tested best?
We have graded 10 Yiwu Aozuo Trading Co products. PT-141, Semaglutide, GHK-Cu, Tirzepatide, TB-500, Retatrutide and Ipamorelin graded A or B. BPC-157 and Tesamorelin graded D or E.
Is there a Yiwu Aozuo Trading Co coupon code?
We don't have a verified Yiwu Aozuo Trading Co coupon code. A discount changes the price, not what is in the vial.
Where does Yiwu Aozuo Trading Co ship from?
Public listings place Yiwu Aozuo Trading Co's shipping origin in China. Check the shop's own shipping page before ordering, as origin can change.
Ordering from Yiwu Aozuo Trading Co?
Mixed lab record: 146 independent tests, 112 of 144 lots filled to label, median purity 99.82%, 2 of 10 products graded D or E.