Finnrick - Ensuring a Safer and More Transparent Supply Chain
Shanghai Leader Peptide Biotechnology

Shanghai Leader Peptide Biotechnology

Retatrutide

Finnrick tested 22 samples of Retatrutide (GLP-1, GIP, and GCGR agonist) from Shanghai Leader Peptide Biotechnology between 29 Dec 2025 and 13 May 2026. Test scores average below 4 or some scores below 3, and at least 6 tests, warrant a confident Finnrick Rating of E (Bad).

Finnrick Rating™
E
BAD
Shanghai Leader Peptide Biotechnology
Retatrutide
Tested 22 Samples
Last test 13 May 2026

Take Action

Free peptide testing

Mail in a sample (US only) to get confidence for the specific vials you have, and contribute to identifying unsafe supply chains, so other people can avoid risky and costly mistakes.

Test My Sample

Other Retatrutide tests from top-rated vendors:

Paradigm Peptide
A
Peptide Partners
A
Lipeptides
A

All Retatrutide tests from Shanghai Leader Peptide Biotechnology

Samples are tested in commercial labs

Tests Count

22

Scores

AVG7.3MIN2.0MAX10.0

Last

13 May 2026

First

29 Dec 2025
Quantity
Test DateCertificate
Test Score
LabelTestedDifferencePurityEndotoxinsBatch IDContainerTested AtSent By
13 May 2026View9.310mg10.1mg+1.0%99.60%n/aMarch 2, 2026No label / Silver crimp / Green capLab GPublic
6 May 2026View2.05mg
⚠️ Sample does not contain Retatrutide
n/aH0129White Label / Silver Crimp / Blue CapLab EPublic
6 May 2026View2.020mg
⚠️ Sample does not contain Retatrutide
n/a1/30/2026No Label / Silver Crimp / Blue CapLab EPublic
28 Apr 2026View10.020mg19.9mg-0.5%99.90%n/aLP Reta March 2026(no data)Lab EPublic
23 Apr 2026View9.430mg32mg+6.7%99.90%n/a20251218-01No Label / Silver Crimp / Blue CapLab EPublic
23 Apr 2026View7.45mg5.3mg+6.0%98.70%n/a01/30/2026No Label / Silver Crimp / Blue CapLab EPublic
21 Apr 2026View7.520mg20.4mg+2.0%99.70%n/a(no batch ID)No Label / Silver Crimp / Blue CapLab GPublic
13 Apr 2026ViewEndotoxins10mgn/an/an/a
low
R10-00326No Label / Silver Crimp / Teal CapLab GPublic
13 Apr 2026View6.710mg8.7mg-13.0%99.40%n/aR10-00326No Label / Silver Crimp / Teal CapLab GPublic
13 Apr 2026View8.710mg10.6mg+6.0%99.50%n/aH0304White Label / Silver Crimp / Teal CapLab GPublic
13 Apr 2026ViewEndotoxins10mgn/an/an/a
low
H0304White Label / Silver Crimp / Teal CapLab GPublic
19 Mar 2026View9.715mg15.9mg+6.0%99.90%n/a01/2026Silver Label / Silver Crimp / Clear CapLab EPublic
16 Mar 2026View9.520mg20.9mg+4.5%99.70%n/a2026/03(no data)Lab GPublic
13 Mar 2026View8.810mg10.2mg+2.0%99.40%n/a2-3677No Label / Silver Crimp / Blue CapLab GPublic
10 Mar 2026View6.830mg29.3mg-2.3%99.40%n/a(no batch ID)No Label / Silver Crimp / Black CapLab EPublic
2 Mar 2026View2.010mg
⚠️ Sample does not contain Retatrutide
n/a12/01/26No Label / Silver Crimp / Blue CapLab EPublic
26 Feb 2026View8.020mg20.1mg+0.5%99.90%n/a(no batch ID)No Label / Silver Crimp / White CapLab EPublic
22 Feb 2026View7.720mg19.6mg-2.0%99.77%n/a(no batch ID)No Label / Silver Crimp / Blue CapLab EPublic
20 Feb 2026View7.810mg9.8mg-2.0%99.80%n/a(no batch ID)Silver Label / Silver Crimp / Blue CapLab GPublic
11 Feb 2026View6.420mg22.1mg+10.5%99.90%n/a(no batch ID)No Label / Silver Crimp / White CapLab EPublic
11 Feb 2026View6.030mg33.7mg+12.3%99.90%n/a(no batch ID)No Label / Silver Crimp / Black CapLab EPublic
26 Jan 2026View5.810mg11.2mg+12.0%99.80%n/a(no batch ID)No Label / Silver Crimp / Teal CapLab EPublic
29 Dec 2025View10.015mg15.1mg+0.7%99.95%n/a10White Label / Silver Crimp / Clear CapLab EPublic
29 Dec 2025View10.015mg15.2mg+1.3%99.95%n/a14White Label / Silver Crimp / Clear CapLab EPublic
Test My Sample
Test my peptides for free