Is Zhang Ty Legit
Is Zhang Ty 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
- 3 of 5 lots filled to label
- Median purity 99.62%
- Its tested product graded C or better
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Vendor website
Visit Zhang TY
5 independent COAs · not paid-to-rank · 2 of 5 lots under label
Visit Zhang TYOpens the vendor site. No partner discount on this shop.
Peptide Vendor Reviews independently tests products and verifies reviews. Public methodology, no pay-to-rank.
Zhang TY 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 Zhang TY's site.
- RetatrutideAGREAT
- Tests
- 4
- Passed
- 100.0%
- Tests
- 1
- Passed
- —
What the testing shows
Across 5 measured samples from Zhang TY, 2 came in more than 5% under the quantity on the label (40%). Purity across 5 readings ran from 76.28% to 99.95%, median 99.62%. Samples span Jun 2025 to Sep 2026.
- Under label
- 2/5
- Median purity
- 99.62%
- Latest sample
- Sep 2026
- Ships from
- China
more than 5% short
76.28%–99.95% range
first tested Jun 2025
per vendor listing
Our read on Zhang TY
4 of Zhang TY'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 purity under 99.5% (1 time).
Against the 302 shops with at least five graded tests, Zhang TY's pass rate is at or above 69% of them, and it has more tests on record than 0% of them.
When and how Zhang TY was tested
Samples per month. The darker part of each bar failed.
- Labs used
- Krause Analytical (3), BTLabs (2)
- Who sent the samples
- buyers 100%
- Batches covered
- 1 distinct batch numbers
Why Zhang TY's failed samples failed
The only failed test, with the lab's reason.
Tesamorelin · Jun 29, 2025
purity under 99.5%; amount in the vial more than 35% off the label
Lab testing results
Independent results across 2 products.
Individual lab tests
Date
9/19/2026
Purity
99.9%
Quantity
20 mg → 20.2 mg
Lab
BTLabs
Vial
No label / Silver crimp / Clear Pink cap
Date
1/7/2026
Purity
99.6%
Quantity
10 mg → 10.3 mg
Lab
BTLabs
Vial
No Label / Silver Crimp / Blue Cap
Date
8/11/2025
Purity
99.95%
Quantity
30 mg → 28.2 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Clear Yellow Cap
Date
6/30/2025
Purity
99.62%
Quantity
20 mg → 20.8 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Violet Cap
Date
6/29/2025
Purity
76.28%
Quantity
10 mg → 5.89 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Black Cap
| Product | Date | Score | Purity | Quantity | Lab | COA |
|---|---|---|---|---|---|---|
| RetatrutideNo label / Silver crimp / Clear Pink cap | 9/19/2026 | 10.0 | 99.9% | 20 mg → 20.2 mg | BTLabs | View |
| RetatrutideNo Label / Silver Crimp / Blue Cap | 1/7/2026 | 10.0 | 99.6% | 10 mg → 10.3 mg | BTLabs | View |
| RetatrutideNo Label / Silver Crimp / Clear Yellow Cap | 8/11/2025 | 10.0 | 99.95% | 30 mg → 28.2 mg | Krause Analytical | View |
| RetatrutideNo Label / Silver Crimp / Violet Cap | 6/30/2025 | 10.0 | 99.62% | 20 mg → 20.8 mg | Krause Analytical | View |
| TesamorelinNo Label / Silver Crimp / Black Cap | 6/29/2025 | 7.6 | 76.28% | 10 mg → 5.89 mg | Krause Analytical | View |
Which Zhang TY products tested best
Retatrutide has the strongest record, graded A or B.
Buying from Zhang TY
If you order from Zhang TY, start with the graded products in the table: each one links straight to the shop.
We don't track Zhang TY's prices yet. Shipping, payment and refund terms are on their site.
The official store is www.instagram.com/zhang006211. 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 Zhang TY
Create a free account to save this vendor, get alerts for new lab tests, and watch price changes.
Zhang TY: common questions
Is Zhang TY legit?
We rate lab records, not businesses. Limited lab record: 5 independent tests, 3 of 5 lots filled to label, median purity 99.62%, its tested product graded C or better. Each result links to its original certificate in the table above.
What do Zhang TY reviews say?
We don't hold scored customer reviews for Zhang TY yet. The independent lab results on this page are the evidence we have.
Which Zhang TY peptides tested best?
We have graded 1 Zhang TY product. Retatrutide graded A or B.
Is there a Zhang TY coupon code?
We don't have a verified Zhang TY coupon code. A discount changes the price, not what is in the vial.
Where does Zhang TY ship from?
Public listings place Zhang TY's shipping origin in China. Check the shop's own shipping page before ordering, as origin can change.
Ordering from Zhang TY?
Limited lab record: 5 independent tests, 3 of 5 lots filled to label, median purity 99.62%, its tested product graded C or better.
About Zhang TY
Instagram account only