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Vendor grade distribution

100 vendors · 2 flagged D–E
40
A
2
B
6
C
1
D
1
E
50
X
# Vendor Rating Count Avg Min Max Range 0–10 Most Recent
1 Homopeptide A 6 10.0 9.9 10.0
25 May 2026
2 Tianjin Finder Chemical TFC A 5 10.0 10.0 10.0
16 Apr 2026
3 Bachem A 4 10.0 10.0 10.0
15 Jun 2026
4 Kerui Peptides A 4 10.0 10.0 10.0
5 Jul 2026
5 Shanghai Sigma Audley A 4 10.0 9.9 10.0
18 Jul 2026
6 Sigma-Aldrich A 4 10.0 9.9 10.0
11 Aug 2026
7 Asymchem A 4 10.0 9.9 10.0
20 Jul 2026
8 Sangon Bio A 3 10.0 9.9 10.0
3 Jun 2026
9 Chinese Peptide Company A 3 10.0 9.9 10.0
7 Jul 2026
10 WuXi TIDES A 3 10.0 9.9 10.0
26 Jun 2026
11 GenScript Peptides A 3 10.0 9.9 10.0
20 Jul 2026
12 Thermo Fisher Scientific A 3 10.0 9.9 10.0
17 Aug 2026
13 SinoPep A 3 10.0 9.9 10.0
22 Jun 2026
14 Shanghai Wibson Biotechnology A 2 10.0 10.0 10.0
24 May 2026
15 Hybio Pharmaceutical A 2 10.0 10.0 10.0
12 Aug 2026
16 QYAOBIO A 4 9.9 9.9 10.0
10 Jun 2026
17 PolyPeptide Group A 4 9.9 9.9 10.0
10 Aug 2026
18 JEEP Peptides A 3 9.9 9.9 10.0
19 May 2026
19 Hubei Jianxiang A 3 9.9 9.9 10.0
20 May 2026
20 Flourishglobal Peptide A 3 9.9 9.9 10.0
5 Jul 2026
21 AmbioPharm A 3 9.9 9.9 10.0
19 Aug 2026
22 Shanghai ERP Biotechnology A 2 9.9 9.9 9.9
3 Jul 2026
23 Mokemei Biotechnology A 2 9.9 9.9 10.0
22 Apr 2026
24 Qingdao Sigma Chemical QSC A 4 9.1 8.5 9.4
24 May 2026
25 Glbiochem (Shanghai) A 3 8.6 7.3 9.3
24 May 2026
26 Shanghai Sigma Audley SSA A 6 8.2 6.9 9.3
23 May 2026
27 Nantong Guangyuan Chemical GYC A 3 8.1 7.3 8.6
24 May 2026
28 Wuhan Wansheng Bio (WWB) A 8 7.7 6.0 9.4
23 May 2026
29 Bulk Peptide Wholesale A 2 7.2 6.9 7.4
20 May 2026
30 EHZ Peptides C 3 5.8 5.1 6.3
24 May 2026
31 Shanghai OuDaXin New Material Technology Center E 2 5.8 5.5 6.2
17 May 2026
32 Pura Peptides X 1 9.8 9.8 9.8
16 Mar 2025
33 TCI X 1 9.2 9.2 9.2
3 Jun 2025
34 Peptidology X 1 9.2 9.2 9.2
25 Apr 2025
35 Hangzhou Mandy Biotechnology X 1 9.1 9.1 9.1
25 Apr 2025
36 Hunan GoodPeptides Biotech Co X 1 9.1 9.1 9.1
7 May 2025
37 Lux Synth Aminos X 1 9.0 9.0 9.0
16 Mar 2025
38 Shandong Shengyuan Peptide Technology X 1 8.7 8.7 8.7
2 Jul 2025
39 Laicuinuo LCN X 1 8.6 8.6 8.6
8 Jul 2025
40 Yongkang Nuoao Trading Co X 1 8.5 8.5 8.5
16 Mar 2025
41 Rayshine Peptide Biochemicals X 1 8.1 8.1 8.1
20 Jun 2025
42 M-Peptides X 1 8.1 8.1 8.1
13 Jun 2025
43 Hunan Ruiwang Technology Center X 1 8.0 8.0 8.0
13 Feb 2025
44 HealthTide Biotech X 1 8.0 8.0 8.0
13 Jun 2025
45 NUPEPS Peptides X 1 7.9 7.9 7.9
27 Feb 2025
46 Bulk Peptide Supply A 2 7.8 7.0 8.6
26 Jan 2026
47 Welon Peptide Solutions X 1 7.7 7.7 7.7
16 Mar 2025
48 Peptronix Bio PTB X 1 7.7 7.7 7.7
8 Jul 2025
49 ZhuoYan lab X 1 7.7 7.7 7.7
14 Jan 2025
50 BeiBangAn C 2 7.5 5.9 9.1
26 Jan 2026
51 Quenna PMQ X 1 7.3 7.3 7.3
27 Feb 2025
52 AKS Chem X 1 7.3 7.3 7.3
28 Mar 2025
53 Atomik Labz A 4 7.2 6.0 9.1
25 May 2026
54 Cellupep X 1 7.2 7.2 7.2
3 Jun 2025
55 Huaian Hanyou Peptide X 1 7.2 7.2 7.2
6 May 2025
56 HkRoids X 1 7.1 7.1 7.1
24 Apr 2025
57 Reta-Peptide B 14 7.0 5.8 8.4
24 May 2026
58 Coastal Peptides A 2 7.0 6.5 7.4
21 May 2026
59 Science X 1 6.9 6.9 6.9
6 May 2025
60 Peptide Haven X 1 6.9 6.9 6.9
13 Feb 2025
61 Champion Peptide X 1 6.8 6.8 6.8
3 Jul 2025
62 Peptide Sciences A 8 6.7 4.5 8.6
26 Jan 2026
63 Simple Peptide A 2 6.7 6.0 7.3
23 May 2026
64 ZLZ Peptide A 14 6.6 4.7 9.0
17 May 2026
65 Lipeptides X 1 6.6 6.6 6.6
28 Mar 2025
66 Liberty Peptides X 1 6.5 6.5 6.5
24 Apr 2025
67 Hazel X 1 6.5 6.5 6.5
16 Mar 2025
68 Xianhong Tong XHT Peptides X 1 6.5 6.5 6.5
3 Jun 2025
69 YB Peptide X 1 6.5 6.5 6.5
3 Jun 2025
70 Elite Research USA B 2 6.4 5.1 7.7
19 Jan 2026
71 Zenith Jove Peptide ZJ A 2 6.3 5.4 7.2
20 May 2026
72 Prime Peptides X 1 6.3 6.3 6.3
7 May 2025
73 Polaris Peptides A 8 6.2 4.6 7.1
21 May 2026
74 Accelerate Labs A 2 6.2 5.8 6.7
19 Jan 2026
75 Haikou Mingheng Technology X 1 6.2 6.2 6.2
11 Jun 2025
76 TSC Top Supplements China C 9 6.1 3.7 9.0
21 May 2026
77 Diju Peptides Wellness and Co X 1 6.0 6.0 6.0
8 Jul 2025
78 Verified Peptides A 3 5.9 5.7 6.2
17 May 2026
79 PurePEPS X 1 5.9 5.9 5.9
7 May 2025
80 Injectify A 2 5.8 5.4 6.3
24 May 2026
81 Hangzhou Youngpeptide Biotechnology HYB X 1 5.8 5.8 5.8
13 Jun 2025
82 Tydes C 2 5.3 4.7 6.0
23 May 2026
83 LSPL C 3 5.2 4.2 6.4
23 May 2026
84 Zztai Peptide X 1 5.2 5.2 5.2
11 Jun 2025
85 Richards Biotech Simply Richards X 1 4.5 4.5 4.5
13 Jun 2025
86 Limitless Life Nootropics X 1 4.2 4.2 4.2
14 Jan 2025
87 Oasis Peptides X 1 4.2 4.2 4.2
8 Jul 2025
88 Swiss Chems X 1 4.0 4.0 4.0
7 May 2025
89 Peptides 4 Research C 2 3.9 2.5 5.2
19 Jan 2026
90 Kits4less X 1 3.2 3.2 3.2
25 Apr 2025
91 PeptiLab Research X 1 3.2 3.2 3.2
8 Jul 2025
92 Nanjing Xiyuxun Technology XYX X 1 3.1 3.1 3.1
14 Jan 2025
93 Peptides For Sale D 2 2.8 2.0 3.6
25 May 2026
94 Biolabshop Limited X 1 2.6 2.6 2.6
27 Feb 2025
95 PepKits X 1 2.3 2.3 2.3
11 Jun 2025
96 Guangzhou Yuao Trading X 1 2.3 2.3 2.3
3 Jul 2025
97 Marvel Peptide X 1 0.0 0.0 0.0
17 Dec 2024
98 PRIVATE X 1 0.0 0.0 0.0
14 Jan 2025
99 Advanced Technology and Industrial X 1 0.0 0.0 0.0
9 Jun 2025
100 Hebei Chengtong Technology X 1 0.0 0.0 0.0
3 Jul 2025