Reviews from lab results · vendors can't buy a grade
Xingruida XDR

Is Xingruida Xdr Legit

Is Xingruida Xdr Legit? 92 independent lab tests across 9 products, with a mixed lab record.

Written by the Peptide Vendor Reviews editorial team

Lab record: Mixed

How we rate
  • 92 independent tests
  • 67 of 92 lots filled to label
  • Median purity 99.8%
  • 6 of 9 products graded D or E

Some of Xingruida XDR'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 Xingruida XDR 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.

Melanotan II

Xingruida XDR: grade E

GHK-Cu

Xingruida XDR: grade E

PT-141

Xingruida XDR: grade E

Xingruida XDR 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 Xingruida XDR's site.

What the testing shows

Across 92 measured samples from Xingruida XDR, 25 came in more than 5% under the quantity on the label (27%). Another 33 measured more than 5% over. Purity across 92 readings ran from 91.5% to 99.95%, median 99.8%. Samples span Jun 2025 to Aug 2026.

Under label
25/92

more than 5% short

Median purity
99.8%

91.5%–99.95% range

Latest sample
Aug 2026

first tested Jun 2025

Ships from
China

per vendor listing

Website not loading. At our last check the shop's homepage returned a server error. Checked Oct 14, 2026. Other closed and offline shops

Our read on Xingruida XDR

65 of Xingruida XDR's 92 graded samples passed (71%), and 100% of all samples were sent in by buyers rather than by the shop.

Results are improving: 74% passed over the latest six months, up from 69% before.

When a sample failed, the most common reason was purity under 99.5% (19 times).

Against the 302 shops with at least five graded tests, Xingruida XDR's pass rate is at or above 46% of them, and it has more tests on record than 89% of them.

When and how Xingruida XDR was tested

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

Labs used
Krause Analytical (62), BTLabs (24), Chromate (5), Freedom Diagnostics (1)
Who sent the samples
buyers 100%
Batches covered
47 distinct batch numbers; 3 checked for endotoxins

Why Xingruida XDR's failed samples failed

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

  • Retatrutide · Aug 12, 2026

    amount in the vial more than 35% off the label

    purity 99.9%fill -52%Certificate
  • TB-500 Thymosin Beta-4 · May 27, 2026

    purity under 99.5%

    purity 91.5%fill +14%Certificate
  • BPC-157 · May 27, 2026

    purity under 99.5%

    purity 99%fill -10%Certificate
  • GHK-Cu · May 13, 2026

    amount in the vial more than 35% off the label

    purity 99.9%fill -48%Certificate
  • Retatrutide · May 8, 2026

    amount in the vial more than 35% off the label

    purity 99.9%fill -47%Certificate
  • Tirzepatide · Mar 2, 2026

    amount in the vial more than 35% off the label

    purity 99.9%fill -41%Certificate

Lab testing results

Independent results across 9 products.

92
Total lab tests
99.3%
Avg purity
99.9%
Best score
91.5%
Worst score

Individual lab tests

Ipamorelin10.0

Date

8/12/2026

Purity

99.7%

Quantity

10 mg → 10.5 mg

Lab

Krause Analytical

Vial

No label, Silver crimp, Clear Green cap

View certificate
Retatrutide10.0

Date

8/12/2026

Purity

99.9%

Quantity

20 mg → 19.1 mg

Lab

Krause Analytical

Vial

No label / Gold crimp / Clear cap

View certificate
Tirzepatide10.0

Date

8/12/2026

Purity

99.9%

Quantity

30 mg → 30 mg

Lab

Krause Analytical

Vial

No label / Silver crimp / Pink cap

View certificate
Tirzepatide10.0

Date

8/12/2026

Purity

99.9%

Quantity

30 mg → 29.9 mg

Lab

Krause Analytical

Vial

No label / Silver crimp / Pink cap

View certificate
Tesamorelin10.0

Date

8/12/2026

Purity

99.9%

Quantity

5 mg → 4.71 mg

Lab

Krause Analytical

Vial

No label, Silver crimp, White cap

View certificate

Which Xingruida XDR products tested best

Ipamorelin and Retatrutide have the strongest record, graded A or B.

Tirzepatide graded C.

TB-500, BPC-157, Tesamorelin, Melanotan II, GHK-Cu and PT-141 graded D or E: a large share of their samples missed purity or quantity thresholds.

Buying from Xingruida XDR

If you order from Xingruida XDR, 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 Xingruida XDR's prices yet. Shipping, payment and refund terms are on their site.

Xingruida XDR's website didn't load when we last checked, so we don't link to it. If it reappears, confirm 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 Xingruida XDR

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Xingruida XDR: common questions

Is Xingruida XDR legit?

We rate lab records, not businesses. Mixed lab record: 92 independent tests, 67 of 92 lots filled to label, median purity 99.8%, 6 of 9 products graded D or E. Each result links to its original certificate in the table above.

What do Xingruida XDR reviews say?

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

Which Xingruida XDR peptides tested best?

We have graded 9 Xingruida XDR products. Ipamorelin and Retatrutide graded A or B. TB-500, BPC-157, Tesamorelin, Melanotan II, GHK-Cu and PT-141 graded D or E.

Is there a Xingruida XDR coupon code?

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

Where does Xingruida XDR ship from?

Public listings place Xingruida XDR's shipping origin in China. Check the shop's own shipping page before ordering, as origin can change.

Contact

  • China

Vendors researchers compare with Xingruida XDR

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