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Retatrutide(GLP-1, GIP, and GCGR agonist)

We've tested 1866 samples of Retatrutide sourced from 134 vendors on #N/A. Purity varies from 62.38% to 100.00%, and quantity can diverge by up to +/-10000% vs advertised value.

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Vendors

Tests
Vendor
Rating
CountAvgMinMaxOldestMost Recent
Paradigm Peptide
A
Great
69.67.610.024 Jul 20254 Sep 2025
Shandong Shengyuan Peptide Technology
A
Great
78.17.39.55 Dec 20249 Feb 2026
Peptide Partners
A
Great
138.97.010.017 Jul 202529 Jan 2026
Zenith Jove Peptide ZJ
A
Great
77.86.89.416 Dec 202519 Jan 2026
Lipeptides
A
Great
77.96.610.06 Dec 202516 Feb 2026
Peptide Crafters
A
Great
67.66.69.517 Dec 202416 Dec 2025
Huaian Hanyou Peptide
A
Great
67.96.510.014 Nov 202516 Feb 2026
NextechLabs
A
Great
77.76.59.414 Jan 20259 Oct 2025
Orbitrex Peptides
A
Great
69.06.510.07 Oct 202524 Nov 2025
Peptronix Bio PTB
A
Great
77.46.38.05 Aug 202516 Feb 2026
Aavant Research
A
Great
68.16.29.511 Aug 202511 Feb 2026
Nantong Guangyuan Chemical GYC
A
Great
158.26.29.85 Oct 202516 Feb 2026
Hunan Ruiwang Technology Center
A
Great
97.46.18.04 Sep 202510 Feb 2026
Nuscience Peptides
A
Great
87.26.110.022 Apr 202513 Feb 2026
Lisa Biopeptide
A
Great
97.96.09.413 Dec 202511 Feb 2026
YB Peptide
A
Great
67.76.08.521 Aug 202510 Feb 2026
Bulk Peptide Wholesale
A
Great
210.010.010.011 Feb 202611 Feb 2026
NUPEPS Peptides
A
Great
29.59.39.816 Dec 202516 Dec 2025
Peptide Haven
A
Great
28.58.48.62 Dec 20242 Dec 2025
Pure Rawz
A
Great
48.68.19.16 May 202521 May 2025
Zhang TY
A
Great
38.17.39.330 Jun 20257 Jan 2026
Atomik Labz
A
Great
47.96.89.06 May 20256 May 2025
PurePeptides
A
Great
57.76.89.427 Feb 202519 Jan 2026
Chimera Peptides
A
Great
57.26.38.05 Dec 202422 Jan 2026
OmegAmino
A
Great
47.76.310.020 Jun 202512 Aug 2025
Loti Labs
A
Great
57.36.08.016 Mar 20256 May 2025
Risynth Bio
A
Great
48.66.010.01 Sep 20254 Sep 2025
Skye Peptides
B
Good
107.96.09.517 Dec 202414 Aug 2025
Bfflink
B
Good
67.75.810.016 Dec 202526 Jan 2026
Haikou Mingheng Technology
B
Good
66.75.88.03 Oct 202515 Feb 2026
Yongkang Nuoao Trading Co
B
Good
67.75.89.025 Jul 202518 Feb 2026
Bfflist AMO
B
Good
448.45.710.030 Jun 202518 Feb 2026
Oasis Peptides
B
Good
76.85.77.914 Jan 202524 Jul 2025
Champion Peptide
B
Good
66.75.68.111 Dec 20257 Jan 2026
Shenzhen Loga Tech LG LOGA
B
Good
97.85.510.021 Aug 202516 Feb 2026
Allen Biotechnology Co ABC
B
Good
117.25.39.04 Aug 202516 Feb 2026
Henan Sahe Peptide
B
Good
97.15.310.030 Sep 202516 Feb 2026
Shanghai JinBei Chemical Technology
B
Good
87.95.210.013 Dec 20254 Feb 2026
LN Peptides
B
Good
66.95.08.05 Dec 202415 Feb 2026
Pharma Grade Peptides
B
Good
26.36.36.37 May 20257 May 2025
Verified Peptides
B
Good
47.05.99.713 Feb 202519 Feb 2025
Eternal Peptides
B
Good
46.45.86.97 May 202521 May 2025
HkRoids
B
Good
57.95.89.94 Aug 202519 Jan 2026
Limitless Life Nootropics
B
Good
47.35.810.013 Feb 202519 Feb 2025
Platinum Cryo
C
Okay
66.65.08.022 Apr 20257 May 2025
Zztai Peptide
C
Okay
107.05.09.59 Jun 202515 Feb 2026
Golden Eagle
C
Okay
86.24.99.73 Aug 202515 Jan 2026
Yiwu Aozuo Trading Co
C
Okay
238.24.910.04 Aug 202510 Feb 2026
Elite Research USA
C
Okay
75.64.86.930 Apr 20257 Jan 2026
M-Peptides
C
Okay
66.94.89.521 Oct 202518 Feb 2026
Shanghai ERP peptide Biotechnology
C
Okay
96.74.88.011 Dec 202518 Feb 2026
Yimei
C
Okay
206.74.88.920 Jun 202518 Feb 2026
Kits4less
C
Okay
67.04.77.816 Jul 20251 Jan 2026
Qingdao Saber Technology Pharma QST
C
Okay
76.54.710.03 Jun 202529 Dec 2025
Uther
C
Okay
107.44.710.03 Jul 202518 Feb 2026
EHZ Peptides
C
Okay
237.04.610.020 Jun 202510 Feb 2026
Royal Peptides
C
Okay
107.04.68.816 Mar 202511 Feb 2026
Huayi Biotechnology
C
Okay
107.14.59.31 Sep 202516 Feb 2026
Planet Peptide
C
Okay
146.54.58.517 Dec 202415 Feb 2026
Xingtai Jiachuang Technology
C
Okay
87.64.59.54 Jul 202526 Jan 2026
BeiBangAn
C
Okay
176.94.49.85 Dec 202415 Jan 2026
Biolongevity Labs
C
Okay
116.54.48.031 Mar 202523 Jul 2025
Hangzhou Mandy Biotechnology
C
Okay
67.24.49.817 Nov 202522 Jan 2026
HXNet
C
Okay
306.74.49.711 Aug 202518 Feb 2026
PeptiSlim
C
Okay
187.74.410.01 Sep 202518 Feb 2026
Rayshine Peptide Biochemicals
C
Okay
67.74.410.012 Aug 202519 Jan 2026
Tianjin Finder Chemical TFC
C
Okay
277.34.410.011 Jun 202516 Feb 2026
Liberty Peptides
C
Okay
67.14.310.031 Mar 20257 Jan 2026
Paramount Peptides
C
Okay
127.54.39.314 Jan 20256 Dec 2025
Quingdao Sigma Chemical QSC
C
Okay
86.24.39.017 Oct 202511 Feb 2026
ZhuoYan lab
C
Okay
116.34.38.04 Aug 202511 Feb 2026
Top Peptide
C
Okay
66.54.210.013 Oct 202522 Jan 2026
Zen Peptides
C
Okay
76.54.27.823 Oct 202510 Feb 2026
Hebei Rimao Technology
C
Okay
136.84.19.811 Aug 202511 Feb 2026
Wuhan Wansheng Biotechnology
C
Okay
517.54.110.04 Aug 202516 Feb 2026
Xingtai Pukelai Technology Co
C
Okay
66.94.19.911 Aug 202529 Dec 2025
Amino Asylum
C
Okay
25.64.86.514 Feb 202519 Feb 2025
Simple Peptide
C
Okay
46.04.77.725 Apr 20256 May 2025
Suaway Lab Research
C
Okay
55.54.36.331 Mar 202516 May 2025
Accelerate Labs
C
Okay
35.84.16.916 May 202523 Jul 2025
Injectify
C
Okay
47.34.18.716 May 202523 Jul 2025
Amino Amigos
C
Okay
26.74.09.414 Jan 202523 Jan 2025
Amino Lair
D
Poor
66.24.08.021 Aug 202510 Dec 2025
Polaris Peptides
D
Poor
267.33.99.017 Dec 20247 Jan 2026
Tydes
D
Poor
95.23.87.217 Dec 202430 Apr 2025
Quenna PMQ
D
Poor
76.93.69.75 Oct 20251 Jan 2026
Xingruida XDR
D
Poor
218.13.610.020 Jun 202515 Feb 2026
Xian Yihang Technology
D
Poor
135.73.58.027 Jun 202513 Feb 2026
Kerisite Shenzhen International
D
Poor
137.33.410.025 Jun 202517 Dec 2025
Mix Peptides
D
Poor
76.13.38.523 Oct 202526 Jan 2026
Zhejiang Yichenkang Biotechnology
D
Poor
117.13.310.02 Dec 202411 Dec 2025
Nanjing Xiyuxun Technology XYX
D
Poor
24.94.15.720 May 202523 Oct 2025
Alpha-Gen
D
Poor
56.24.07.824 Apr 202521 May 2025
Coastal Peptides
D
Poor
55.93.87.927 Feb 202520 Mar 2025
Haikou Mingheng Biotechnology
D
Poor
46.53.88.018 Sep 20257 Jan 2026
Welon Peptide Solutions
D
Poor
35.73.37.023 Nov 20254 Feb 2026
Heman Peptide HM
E
Bad
156.82.99.823 Oct 202518 Feb 2026
Qing Li Peptide
E
Bad
947.42.810.09 Jun 202518 Feb 2026
UWA Elite Peptides
E
Bad
106.12.78.616 Jul 202529 Jan 2026
Mai Peptide
E
Bad
227.92.210.04 Nov 202518 Feb 2026
Peptide Sciences
E
Bad
366.12.010.017 Dec 202413 Feb 2026
Shanghai Baoju
E
Bad
86.32.09.53 Oct 202518 Feb 2026
TSC Top Supplements China
E
Bad
427.12.010.03 Jun 202529 Jan 2026
LSPL
E
Bad
196.51.610.06 Nov 202529 Jan 2026
Forever Young Pharmacy
E
Bad
82.91.57.117 Dec 202431 Mar 2025
SRY Labs
E
Bad
257.51.510.020 Apr 202529 Jan 2026
Shandong Aishi Biotechnology
E
Bad
146.60.810.024 Oct 202516 Feb 2026
Hangzhou Youngpeptide Biotechnology HYB
E
Bad
75.50.08.05 Aug 202510 Feb 2026
HK Peptides
E
Bad
977.20.010.011 Jun 202518 Feb 2026
LiliPeptide
E
Bad
898.00.010.04 Aug 202516 Feb 2026
Nexaph
E
Bad
747.20.010.011 Jun 202511 Feb 2026
Oupeptide
E
Bad
507.20.010.09 Jun 202516 Feb 2026
Peptide Gurus
E
Bad
70.80.05.416 Mar 20253 Jul 2025
Peptide-S
E
Bad
396.90.010.011 Jun 202515 Feb 2026
Reta-Peptide
E
Bad
437.50.010.020 Jun 202518 Feb 2026
Shanghai OuDaXin New Material Technology Center
E
Bad
124.90.010.011 Aug 202510 Feb 2026
Shanghai Sigma Audley SSA
E
Bad
747.30.010.09 Jun 202526 Jan 2026
Shanxi Qianyecao Biotech QYC
E
Bad
347.10.010.024 Jul 202518 Feb 2026
Tianjin Ruiwang New Material Technology Co
E
Bad
467.70.010.04 Sep 202518 Feb 2026
Xingtai Lesda Technology
E
Bad
66.60.010.01 Sep 202523 Oct 2025
ZLZ Peptide
E
Bad
707.10.010.05 Dec 202415 Feb 2026
ZZQ Peptides
E
Bad
116.90.09.524 Jul 202518 Feb 2026
Amplified Amino
E
Bad
44.22.27.013 Feb 202519 Feb 2025
Alimo Peptide
E
Bad
32.90.04.411 Jun 202513 Oct 2025
Bulk Peptide Supply
E
Bad
56.40.09.511 Aug 202518 Sep 2025
Changan District Sheng Peptide Trading
E
Bad
56.90.09.710 Sep 202522 Dec 2025
Modern Aminos
E
Bad
45.80.07.920 Jun 20255 Oct 2025
Regenerative Research
X
Unrated
19.79.79.720 Jun 202520 Jun 2025
Pura Peptides
X
Unrated
18.38.38.324 Jul 202524 Jul 2025
TCI
X
Unrated
17.67.67.610 Jun 202510 Jun 2025
Peptide Worldwide
X
Unrated
17.17.17.16 May 20256 May 2025
Shaanxi Dideu Medichem
X
Unrated
16.46.46.43 Jun 20253 Jun 2025
Wolverine Peptides
X
Unrated
15.05.05.03 Jul 20253 Jul 2025
WllyBIO
X
Unrated
13.63.63.63 Jul 20253 Jul 2025

Most recent Retatrutide tests

Samples are tested in commercial labs

Quantity
Test DateVendorCertificate
Test Score
LabelTestedDifferencePurityBatch IDContainerTested AtSent By
18 Feb 2026
M-Peptides
View4.815mg9.08mg-39.5%99.90%(no batch ID)No Label / Silver Crimp / Black CapLab EPublic
18 Feb 2026
Uther
View6.730mg17mg-43.3%99.90%RE30-1128White Label / Green Crimp / Red CapLab EPublic
18 Feb 2026
Qing Li Peptide
View8.330mg33.3mg+11.0%99.90%900-30No Label / Silver Crimp / Green CapLab EPublic
18 Feb 2026
Shanghai Baoju
View7.915mg15.8mg+5.3%99.90%(no batch ID)No Label / Silver Crimp / Black CapLab EPublic
18 Feb 2026
Yongkang Nuoao Trading Co
View5.820mg33.7mg+68.5%99.68%12/5/2025No Label / Silver Crimp / Violet CapLab EPublic
18 Feb 2026
Bfflist AMO
View10.030mg29.6mg-1.3%99.90%309018-11/22/2025Silver Label / Silver Crimp / Blue CapLab EPublic
18 Feb 2026
PeptiSlim
View9.830mg28.3mg-5.7%99.90%Dec2, 2025No Label / Silver Crimp / Blue CapLab EPublic

Corrections

17 Nov 2025: Peptide Sciences
Test results for sample 3tbve3d were published from 31 Oct to 17 Nov 2025, but did not belong to Peptide Sciences: the sample was misidentified, and re-attributed to the correct vendor.
14 Nov 2025: Peptide Sciences
Test results for sample 87u9z6r were published from 8 to 14 Nov 2025, but did not belong to Peptide Sciences: the sample was identified as a counterfeit. They were removed from publishing.
10 Nov 2025: PeptiSlim
The sample was misslabaled by the requester, actual quantity for this sample is 60mg, Quantity has been edited with correct value (previus value was 10 mg)
10 Nov 2025: PeptiSlim
The sample was misslabaled by the requester, actual quantity for this sample is 10mg, Quantity has been edited with correct value (previus value was 60 mg)
5 Nov 2025: Wuhan Wansheng Biotechnology
These were remade and reanalyzed by Lab G. They traced the discrepancy to a likely human error during preparation.
5 Nov 2025: Bfflist AMO
These were remade and reanalyzed by Lab G. They traced the discrepancy to a likely human error during preparation.
5 Nov 2025: LiliPeptide
Lab G mistakenly entered 92 mg instead of 9.2 mg.
29 Aug 2025: Peptide Sciences
Batch identifier for Peptide Sciences Retatrutide 6mg vial tested 30 June was missing. Test score changed from 6.3 to 8.3.
15 Apr 2025: Polaris Peptides
Lab B test 19 Feb 2025: updated quantity following the identification of a clerical error, value was erroneously listed as 6.25mg. Lab issued an updated test certificate on 7 Apr 2025.
15 Apr 2025: Limitless Life Nootropics
Lab B test 19 Feb 2025: updated quantity following the identification of a clerical error, value was erroneously listed as 9.27mg. Lab issued an updated test certificate on 7 Apr 2025.
6 Apr 2025: Forever Young Pharmacy
Lab A test 14 Feb 2025: updated compound identification, removed purity and quantity values. Error in analysis by lab, compound was incorrectly identified as Retatrutide. Lab issued an updated test certificate.
6 Apr 2025: Peptide Sciences
Lab A test 14 Feb 2025: updated compound identification, removed purity and quantity values. Error in analysis by Lab, compound was incorrectly identified as Retatrutide. Lab issued an updated test certificate.