Yiwu Beigong reviews
Yiwu Beigong reviews: 5 independent lab tests across 1 product, with a limited lab record.
Written by the Peptide Vendor Reviews editorial team
Is Yiwu Beigong legit? Lab record: Limited
How we rate- 5 independent tests
- 2 of 4 lots filled to label
- Median purity 99.72%
- 1 of 1 product graded D or E
Some of Yiwu Beigong's products graded D or E. The shops below tested A or B for the same peptides.
Better-tested Retatrutide
Yiwu Beigong graded D. Paradigm Peptide's Retatrutide graded A across 8 tests, $10.00 / 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 Yiwu Beigong 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.
Retatrutide
Yiwu Beigong: grade DYiwu Beigong 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 Beigong's site.
- RetatrutideDPOOR
- Tests
- 5
- Passed
- 60.0%
What the testing shows
Across 4 measured samples from Yiwu Beigong, 2 came in more than 5% under the quantity on the label (50%). Purity across 4 readings ran from 99.14% to 99.9%, median 99.72%. Samples span Oct 2025 to Sep 2026.
- Under label
- 2/4
- Median purity
- 99.72%
- Latest sample
- Sep 2026
- Ships from
- China
more than 5% short
99.14%–99.9% range
first tested Oct 2025
per vendor listing
Our read on Yiwu Beigong
3 of Yiwu Beigong's 5 graded samples passed (60%), 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 (1 time).
Against the 302 shops with at least five graded tests, Yiwu Beigong's pass rate is at or above 25% of them, and it has more tests on record than 0% of them.
When and how Yiwu Beigong was tested
Samples per month. The darker part of each bar failed.
- Labs used
- Krause Analytical (4), BTLabs (1)
- Who sent the samples
- buyers 100%
- Batches covered
- 2 distinct batch numbers
Why Yiwu Beigong's failed samples failed
The 2 most recent failed tests, with the lab's reason.
Retatrutide · Sep 7, 2026
the lab could not confirm it was the labelled peptide
Retatrutide · Jan 7, 2026
purity under 99.5%
Lab testing results
Independent results across 1 product.
Individual lab tests
Date
9/7/2026
Purity
—
Quantity
—
Lab
BTLabs
Vial
No label / Silver crimp / Blue cap
Date
3/6/2026
Purity
99.9%
Quantity
30 mg → 26.8 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Blue Cap
Date
1/7/2026
Purity
99.14%
Quantity
50 mg → 49.7 mg
Lab
Krause Analytical
Vial
White Label / Silver Crimp / Clear Green Cap
Date
10/9/2025
Purity
99.72%
Quantity
20 mg → 20.8 mg
Lab
Krause Analytical
Vial
No Label / Gold Crimp / Clear Cap
Date
10/5/2025
Purity
99.71%
Quantity
15 mg → 14.2 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Orange Cap
| Product | Date | Score | Purity | Quantity | Lab | COA |
|---|---|---|---|---|---|---|
| RetatrutideNo label / Silver crimp / Blue cap | 9/7/2026 | — | — | BTLabs | View | |
| RetatrutideNo Label / Silver Crimp / Blue Cap | 3/6/2026 | 10.0 | 99.9% | 30 mg → 26.8 mg | Krause Analytical | View |
| RetatrutideWhite Label / Silver Crimp / Clear Green Cap | 1/7/2026 | 9.9 | 99.14% | 50 mg → 49.7 mg | Krause Analytical | View |
| RetatrutideNo Label / Gold Crimp / Clear Cap | 10/9/2025 | 10.0 | 99.72% | 20 mg → 20.8 mg | Krause Analytical | View |
| RetatrutideNo Label / Silver Crimp / Orange Cap | 10/5/2025 | 10.0 | 99.71% | 15 mg → 14.2 mg | Krause Analytical | View |
Which Yiwu Beigong products tested best
Retatrutide graded D or E: a large share of its samples missed purity or quantity thresholds.
Buying from Yiwu Beigong
We don't track Yiwu Beigong's prices yet. Shipping, payment and refund terms are on their site.
The official store is Whatsapp +44 7352 531259. 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 Beigong
Create a free account to save this vendor, get alerts for new lab tests, and watch price changes.
Yiwu Beigong: common questions
Is Yiwu Beigong legit?
We rate lab records, not businesses. Limited lab record: 5 independent tests, 2 of 4 lots filled to label, median purity 99.72%, 1 of 1 product graded D or E. Each result links to its original certificate in the table above.
What do Yiwu Beigong reviews say?
We don't hold scored customer reviews for Yiwu Beigong yet. The independent lab results on this page are the evidence we have.
Which Yiwu Beigong peptides tested best?
We have graded 1 Yiwu Beigong product. Retatrutide graded D or E.
Is there a Yiwu Beigong coupon code?
We don't have a verified Yiwu Beigong coupon code. A discount changes the price, not what is in the vial.
Where does Yiwu Beigong ship from?
Public listings place Yiwu Beigong's shipping origin in China. Check the shop's own shipping page before ordering, as origin can change.
About Yiwu Beigong
Acording to whats app contact they can also be this company Huaian Hanyou Health Co., Ltd.