Reviews from lab results · vendors can't buy a grade
Guangzhou Lengiuanhuang Cosmetics

Guangzhou Lengiuanhuang Cosmetics reviews

Guangzhou Lengiuanhuang Cosmetics reviews: 19 independent lab tests across 4 products, with a mixed lab record.

Written by the Peptide Vendor Reviews editorial team

Is Guangzhou Lengiuanhuang Cosmetics legit? Lab record: Mixed

How we rate
  • 19 independent tests
  • 8 of 11 lots filled to label
  • Median purity 99.9%
  • 3 of 4 products graded D or E

Some of Guangzhou Lengiuanhuang Cosmetics's products graded D or E. The shops below tested A or B for the same peptides.

Peptide Vendor Reviews independently tests products and verifies reviews. Public methodology, no pay-to-rank.

Better-tested options

Where Guangzhou Lengiuanhuang Cosmetics 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.

TB-500

Guangzhou Lengiuanhuang Cosmetics: grade E

Tirzepatide

Guangzhou Lengiuanhuang Cosmetics: grade E

BPC-157

Guangzhou Lengiuanhuang Cosmetics: grade E

Guangzhou Lengiuanhuang Cosmetics 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 Lengiuanhuang Cosmetics' site.

What the testing shows

Across 11 measured samples from Guangzhou Lengiuanhuang Cosmetics, 3 came in more than 5% under the quantity on the label (27%). Another 3 measured more than 5% over. Purity across 12 readings ran from 95% to 99.9%, median 99.9%. Samples span Nov 2025 to Sep 2026.

Under label
3/11

more than 5% short

Median purity
99.9%

95%–99.9% range

Latest sample
Sep 2026

first tested Nov 2025

Our read on Guangzhou Lengiuanhuang Cosmetics

8 of Guangzhou Lengiuanhuang Cosmetics' 18 graded samples passed (44%), and 100% of all samples were sent in by buyers rather than by the shop.

Results are slipping: 25% passed over the latest six months, down from 60% before.

When a sample failed, the most common reason was the lab could not confirm it was the labelled peptide (6 times).

Against the 302 shops with at least five graded tests, Guangzhou Lengiuanhuang Cosmetics' pass rate is at or above 11% of them, and it has more tests on record than 49% of them.

When and how Guangzhou Lengiuanhuang Cosmetics was tested

Samples per month. The darker part of each bar failed.

Labs used
Krause Analytical (15), BTLabs (4)
Who sent the samples
buyers 100%
Batches covered
6 distinct batch numbers; 5 checked for endotoxins

Why Guangzhou Lengiuanhuang Cosmetics' failed samples failed

The 6 most recent failed tests, with the lab's reason.

  • Retatrutide · Sep 24, 2026

    the lab could not confirm it was the labelled peptide

  • TB-500 Thymosin Beta-4 · Jul 13, 2026

    the lab could not confirm it was the labelled peptide

  • Tirzepatide · Jul 10, 2026

    the lab could not confirm it was the labelled peptide

  • Retatrutide · Jul 1, 2026

    the lab could not confirm it was the labelled peptide

  • Tirzepatide · Jul 1, 2026

    the lab could not confirm it was the labelled peptide

  • BPC-157 · Jun 24, 2026

    the lab could not confirm it was the labelled peptide

Lab testing results

Independent results across 4 products.

19
Total lab tests
99.3%
Avg purity
99.9%
Best score
95.0%
Worst score

Individual lab tests

Retatrutide

Date

9/24/2026

Purity

—

Quantity

—

Lab

Krause Analytical

Vial

No label / Silver crimp / Green cap

View certificate
TB-500

Date

7/13/2026

Purity

—

Quantity

—

Lab

Krause Analytical

Vial

No label / Silver crimp / Yellow cap

View certificate
Tirzepatide10.0

Date

7/13/2026

Purity

99.9%

Quantity

30 mg → 33.5 mg

Lab

Krause Analytical

Vial

No label / Silver crimp / Black cap

View certificate
Retatrutide10.0

Date

7/13/2026

Purity

99.9%

Quantity

30 mg → 27.5 mg

Lab

Krause Analytical

Vial

No label / Silver crimp / Pink cap

View certificate
Tirzepatide

Date

7/10/2026

Purity

—

Quantity

—

Lab

BTLabs

Vial

No label / Silver crimp / White cap

View certificate

Which Guangzhou Lengiuanhuang Cosmetics products tested best

Retatrutide graded C.

TB-500, Tirzepatide and BPC-157 graded D or E: a large share of their samples missed purity or quantity thresholds.

Buying from Guangzhou Lengiuanhuang Cosmetics

We don't track Guangzhou Lengiuanhuang Cosmetics' prices yet. Shipping, payment and refund terms are on their site.

The official store is WhatsApp #86 131 0833 6292. 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 Lengiuanhuang Cosmetics

Create a free account to save this vendor, get alerts for new lab tests, and watch price changes.

Create free account

Guangzhou Lengiuanhuang Cosmetics: common questions

Is Guangzhou Lengiuanhuang Cosmetics legit?

We rate lab records, not businesses. Mixed lab record: 19 independent tests, 8 of 11 lots filled to label, median purity 99.9%, 3 of 4 products graded D or E. Each result links to its original certificate in the table above.

What do Guangzhou Lengiuanhuang Cosmetics reviews say?

We don't hold scored customer reviews for Guangzhou Lengiuanhuang Cosmetics yet. The independent lab results on this page are the evidence we have.

Which Guangzhou Lengiuanhuang Cosmetics peptides tested best?

We have graded 4 Guangzhou Lengiuanhuang Cosmetics products. TB-500, Tirzepatide and BPC-157 graded D or E.

Is there a Guangzhou Lengiuanhuang Cosmetics coupon code?

We don't have a verified Guangzhou Lengiuanhuang Cosmetics coupon code. A discount changes the price, not what is in the vial.

Contact

Vendors researchers compare with Guangzhou Lengiuanhuang Cosmetics

Suppliers stocking the same compounds, each with their own published lab results and price per mg.