Guangzhou Aoyu reviews
Guangzhou Aoyu reviews: 18 independent lab tests across 4 products, with a mixed lab record.
Written by the Peptide Vendor Reviews editorial team
Is Guangzhou Aoyu legit? Lab record: Mixed
How we rate- 18 independent tests
- 7 of 11 lots filled to label
- Median purity 99.9%
- 1 of 2 products graded D or E
Some of Guangzhou Aoyu's products graded D or E. The shops below tested A or B for the same peptides.
Better-tested Tirzepatide
Guangzhou Aoyu graded D. Paradigm Peptide's Tirzepatide graded A across 10 tests, $4.97 / 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 Guangzhou Aoyu 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.
Tirzepatide
Guangzhou Aoyu: grade DGuangzhou Aoyu 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 Guangzhou Aoyu's site.
- RetatrutideBGOOD
- Tests
- 5
- Passed
- 80.0%
- TirzepatideDPOOR
- Tests
- 8
- Passed
- 62.5%
- Tests
- 3
- Passed
- —
- Tests
- 2
- Passed
- —
What the testing shows
Across 11 measured samples from Guangzhou Aoyu, 4 came in more than 5% under the quantity on the label (36%). Another 1 measured more than 5% over. Purity across 11 readings ran from 98.2% to 99.9%, median 99.9%. Samples span Apr 2026 to Oct 2026.
- Under label
- 4/11
- Median purity
- 99.9%
- Latest sample
- Oct 2026
more than 5% short
98.2%–99.9% range
first tested Apr 2026
Our read on Guangzhou Aoyu
9 of Guangzhou Aoyu's 18 graded samples passed (50%), and 100% of all samples were sent in by buyers rather than by the shop.
When a sample failed, the most common reason was the lab could not confirm it was the labelled peptide (7 times).
Against the 302 shops with at least five graded tests, Guangzhou Aoyu's pass rate is at or above 16% of them, and it has more tests on record than 45% of them.
When and how Guangzhou Aoyu was tested
Samples per month. The darker part of each bar failed.
- Labs used
- Krause Analytical (11), BTLabs (6), Ichor Life Sciences (1)
- Who sent the samples
- buyers 100%
- Batches covered
- 11 distinct batch numbers; 1 checked for endotoxins
Why Guangzhou Aoyu's failed samples failed
The 6 most recent failed tests, with the lab's reason.
Retatrutide · Oct 6, 2026
the lab could not confirm it was the labelled peptide
Tesamorelin · Aug 3, 2026
purity under 99.5%
Tirzepatide · Jun 16, 2026
the lab could not confirm it was the labelled peptide
Tesamorelin · Jun 16, 2026
the lab could not confirm it was the labelled peptide
MOTS-c · Jun 8, 2026
the lab could not confirm it was the labelled peptide
Tirzepatide · Jun 6, 2026
the lab could not confirm it was the labelled peptide
Lab testing results
Independent results across 4 products.
Individual lab tests
Date
10/6/2026
Purity
—
Quantity
—
Lab
Ichor Life Sciences
Vial
Copper crimp / White cap
Date
9/24/2026
Purity
99.8%
Quantity
10 mg → 10.1 mg
Lab
BTLabs
Vial
No label / Silver crimp / Green cap
Date
8/3/2026
Purity
98.2%
Quantity
10 mg → 8.66 mg
Lab
Krause Analytical
Vial
No label / Silver crimp / Black cap
Date
7/22/2026
Purity
99.9%
Quantity
20 mg → 21 mg
Lab
Krause Analytical
Vial
No label / Silver crimp / White cap
Date
6/26/2026
Purity
99.8%
Quantity
10 mg → 10 mg
Lab
BTLabs
Vial
No label / Silver crimp / Black cap
| Product | Date | Score | Purity | Quantity | Lab | COA |
|---|---|---|---|---|---|---|
| RetatrutideCopper crimp / White cap | 10/6/2026 | — | — | Ichor Life Sciences | View | |
| RetatrutideNo label / Silver crimp / Green cap | 9/24/2026 | 10.0 | 99.8% | 10 mg → 10.1 mg | BTLabs | View |
| TesamorelinNo label / Silver crimp / Black cap | 8/3/2026 | 9.8 | 98.2% | 10 mg → 8.66 mg | Krause Analytical | View |
| RetatrutideNo label / Silver crimp / White cap | 7/22/2026 | 10.0 | 99.9% | 20 mg → 21 mg | Krause Analytical | View |
| TirzepatideNo label / Silver crimp / Black cap | 6/26/2026 | 10.0 | 99.8% | 10 mg → 10 mg | BTLabs | View |
Which Guangzhou Aoyu products tested best
Retatrutide has the strongest record, graded A or B.
Tirzepatide graded D or E: a large share of its samples missed purity or quantity thresholds.
Buying from Guangzhou Aoyu
If you order from Guangzhou Aoyu, 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 Guangzhou Aoyu's prices yet. Shipping, payment and refund terms are on their site.
The official store is aoyu.manufacturer.globalsources.com/company-profile_6003002402678.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 Guangzhou Aoyu
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Guangzhou Aoyu: common questions
Is Guangzhou Aoyu legit?
We rate lab records, not businesses. Mixed lab record: 18 independent tests, 7 of 11 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 Guangzhou Aoyu reviews say?
We don't hold scored customer reviews for Guangzhou Aoyu yet. The independent lab results on this page are the evidence we have.
Which Guangzhou Aoyu peptides tested best?
We have graded 2 Guangzhou Aoyu products. Retatrutide graded A or B. Tirzepatide graded D or E.
Is there a Guangzhou Aoyu coupon code?
We don't have a verified Guangzhou Aoyu coupon code. A discount changes the price, not what is in the vial.
Ordering from Guangzhou Aoyu?
Mixed lab record: 18 independent tests, 7 of 11 lots filled to label, median purity 99.9%, 1 of 2 products graded D or E.