Yiwu Laizhi Biotechnology reviews
Yiwu Laizhi Biotechnology reviews: 4 independent lab tests across 1 product, with a limited lab record.
Written by the Peptide Vendor Reviews editorial team
Is Yiwu Laizhi Biotechnology legit? Lab record: Limited
How we rate- 4 independent tests
- 2 of 4 lots filled to label
- Median purity 99.94%
- Its tested product graded C or better
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Vendor website
Visit Yiwu Laizhi Biotechnology
4 independent COAs · not paid-to-rank · 2 of 4 lots under label
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Peptide Vendor Reviews independently tests products and verifies reviews. Public methodology, no pay-to-rank.
Yiwu Laizhi Biotechnology 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 Laizhi Biotechnology's site.
- RetatrutideAGREAT
- Tests
- 4
- Passed
- 100.0%
What the testing shows
Across 4 measured samples from Yiwu Laizhi Biotechnology, 2 came in more than 5% under the quantity on the label (50%). Purity across 4 readings ran from 99.9% to 99.99%, median 99.94%. Samples span Aug 2026 to Oct 2026.
- Under label
- 2/4
- Median purity
- 99.94%
- Latest sample
- Oct 2026
more than 5% short
99.9%–99.99% range
first tested Aug 2026
Our read on Yiwu Laizhi Biotechnology
4 of Yiwu Laizhi Biotechnology's 4 graded samples passed (100%), and 100% of all samples were sent in by buyers rather than by the shop.
When and how Yiwu Laizhi Biotechnology was tested
Samples per month. The darker part of each bar failed.
- Labs used
- PharmLabs (2), BTLabs (1), Krause Analytical (1)
- Who sent the samples
- buyers 100%
- Batches covered
- 3 distinct batch numbers; 1 checked for endotoxins
Lab testing results
Independent results across 1 product.
Individual lab tests
Date
10/14/2026
Purity
99.99%
Quantity
10 mg → 9.53 mg
Lab
PharmLabs
Vial
Silver crimp / Black cap
Date
10/12/2026
Purity
99.9%
Quantity
20 mg → 20.2 mg
Lab
BTLabs
Vial
Silver crimp / Black cap
Date
9/30/2026
Purity
99.99%
Quantity
30 mg → 27.89 mg
Lab
PharmLabs
Vial
Silver crimp / Black cap
Date
8/26/2026
Purity
99.9%
Quantity
20 mg → 16.1 mg
Lab
Krause Analytical
Vial
No label / Silver crimp / Red cap
| Product | Date | Score | Purity | Quantity | Lab | COA |
|---|---|---|---|---|---|---|
| RetatrutideSilver crimp / Black cap | 10/14/2026 | 10.0 | 99.99% | 10 mg → 9.53 mg | PharmLabs | View |
| RetatrutideSilver crimp / Black cap | 10/12/2026 | 10.0 | 99.9% | 20 mg → 20.2 mg | BTLabs | View |
| RetatrutideSilver crimp / Black cap | 9/30/2026 | 10.0 | 99.99% | 30 mg → 27.89 mg | PharmLabs | View |
| RetatrutideNo label / Silver crimp / Red cap | 8/26/2026 | 10.0 | 99.9% | 20 mg → 16.1 mg | Krause Analytical | View |
Which Yiwu Laizhi Biotechnology products tested best
Retatrutide has the strongest record, graded A or B.
Buying from Yiwu Laizhi Biotechnology
If you order from Yiwu Laizhi Biotechnology, start with the graded products in the table: each one links straight to the shop.
We don't track Yiwu Laizhi Biotechnology's prices yet. Shipping, payment and refund terms are on their site.
The official store is laizhibio.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 Laizhi Biotechnology
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Yiwu Laizhi Biotechnology: common questions
Is Yiwu Laizhi Biotechnology legit?
We rate lab records, not businesses. Limited lab record: 4 independent tests, 2 of 4 lots filled to label, median purity 99.94%, its tested product graded C or better. Each result links to its original certificate in the table above.
What do Yiwu Laizhi Biotechnology reviews say?
We don't hold scored customer reviews for Yiwu Laizhi Biotechnology yet. The independent lab results on this page are the evidence we have.
Which Yiwu Laizhi Biotechnology peptides tested best?
We have graded 1 Yiwu Laizhi Biotechnology product. Retatrutide graded A or B.
Is there a Yiwu Laizhi Biotechnology coupon code?
We don't have a verified Yiwu Laizhi Biotechnology coupon code. A discount changes the price, not what is in the vial.
Ordering from Yiwu Laizhi Biotechnology?
Limited lab record: 4 independent tests, 2 of 4 lots filled to label, median purity 99.94%, its tested product graded C or better.