Home Vendors Products Insights Red Flags About Methodology FAQ Free Test Verify Batch Vendor Support

Vendor grade distribution

79 vendors · 3 flagged D–E
33
A
3
B
2
C
3
D
0
E
38
X
# Vendor Rating Count Avg Min Max Range 0–10 Most Recent
1 Tianjin Finder Chemical TFC A 5 10.0 9.9 10.0
16 Apr 2026
2 QYAOBIO A 4 10.0 10.0 10.0
13 Apr 2026
3 WuXi TIDES A 4 10.0 9.9 10.0
15 Jul 2026
4 Sigma-Aldrich A 4 10.0 9.9 10.0
13 Aug 2026
5 JEEP Peptides A 3 10.0 9.9 10.0
11 Apr 2026
6 Flourishglobal Peptide A 3 10.0 9.9 10.0
14 Jul 2026
7 Shanghai Wibson Biotechnology A 3 10.0 10.0 10.0
26 Jun 2026
8 GenScript Peptides A 3 10.0 10.0 10.0
9 Aug 2026
9 Shanghai ERP Biotechnology A 2 10.0 10.0 10.0
26 Jun 2026
10 Homopeptide A 4 9.9 9.9 10.0
25 May 2026
11 Mokemei Biotechnology A 4 9.9 9.9 10.0
25 Jun 2026
12 Chinese Peptide Company A 4 9.9 9.9 10.0
25 Jun 2026
13 Hybio Pharmaceutical A 4 9.9 9.9 10.0
15 Aug 2026
14 AmbioPharm A 4 9.9 9.9 10.0
10 Aug 2026
15 Sangon Bio A 3 9.9 9.9 10.0
7 Jun 2026
16 PolyPeptide Group A 3 9.9 9.9 10.0
24 Jul 2026
17 Thermo Fisher Scientific A 3 9.9 9.9 10.0
12 Jun 2026
18 Asymchem A 3 9.9 9.9 10.0
20 Jun 2026
19 Bachem A 2 9.9 9.9 10.0
8 Jul 2026
20 Kerui Peptides A 2 9.9 9.9 10.0
14 Jun 2026
21 Hubei Jianxiang A 2 9.9 9.9 10.0
22 Jun 2026
22 Shanghai Sigma Audley A 2 9.9 9.9 10.0
4 Jun 2026
23 SinoPep A 2 9.9 9.9 10.0
9 Jul 2026
24 Shanghai Sigma Audley SSA A 2 8.9 8.9 8.9
25 May 2026
25 Qingdao Sigma Chemical QSC A 6 8.7 7.5 10.0
24 May 2026
26 Wuhan Wansheng Bio (WWB) A 7 8.3 7.2 9.8
24 May 2026
27 Glbiochem (Shanghai) A 5 8.2 7.6 8.9
24 May 2026
28 Nantong Guangyuan Chemical GYC A 4 8.1 6.7 8.8
24 May 2026
29 Diju Peptides Wellness and Co X 1 10.0 10.0 10.0
20 Jun 2025
30 Lipeptides X 1 9.0 9.0 9.0
13 Jun 2025
31 Amino Lair X 1 9.0 9.0 9.0
3 Jul 2025
32 Zhang TY X 1 8.9 8.9 8.9
9 Jun 2025
33 Orbitrex Peptides X 1 8.8 8.8 8.8
2 Apr 2025
34 Aavant Research X 1 8.4 8.4 8.4
13 Jun 2025
35 Xingruida XDR B 6 8.3 7.4 9.9
26 Jan 2026
36 LiliPeptide C 2 8.2 7.8 8.5
21 May 2026
37 Dankang BioHealth X 1 8.1 8.1 8.1
7 May 2025
38 Zen Peptides X 1 8.1 8.1 8.1
3 Jul 2025
39 Peptidology X 1 8.1 8.1 8.1
20 Jun 2025
40 Haikou Mingheng Technology X 1 8.1 8.1 8.1
25 Apr 2025
41 Peptide Crafters A 2 8.0 7.0 9.0
17 May 2026
42 Polaris Peptides A 8 7.7 3.8 10.0
21 May 2026
43 Shandong Nuoweiou Medical Technology Co X 1 7.7 7.7 7.7
13 Feb 2025
44 Heman Peptide HM X 1 7.7 7.7 7.7
8 Jul 2025
45 Allen Biotechnology Co ABC X 1 7.4 7.4 7.4
8 Jul 2025
46 Hebei Rimao Technology C 3 7.2 5.4 8.2
23 May 2026
47 Verified Peptides A 3 7.1 6.0 8.0
24 May 2026
48 Shanghai Baoju X 1 7.1 7.1 7.1
25 Apr 2025
49 Simple Peptide X 1 7.0 7.0 7.0
8 Jul 2025
50 Dragon Pharma X 1 7.0 7.0 7.0
11 Jun 2025
51 Royal Peptides B 2 6.8 6.4 7.2
19 Jan 2026
52 Yongkang Nuoao Trading Co X 1 6.8 6.8 6.8
13 Feb 2025
53 Zztai Peptide X 1 6.8 6.8 6.8
13 Jun 2025
54 Peptide Sciences A 12 6.7 4.5 8.1
17 May 2026
55 Golden Eagle X 1 6.7 6.7 6.7
9 Jun 2025
56 Rayshine Peptide Biochemicals X 1 6.6 6.6 6.6
6 May 2025
57 Evolve BioPep X 1 6.6 6.6 6.6
24 Apr 2025
58 Shanxi Qianyecao Biotech QYC D 3 6.5 5.6 7.6
21 May 2026
59 Richards Biotech Simply Richards X 1 6.5 6.5 6.5
2 Apr 2025
60 Mix Peptides D 2 6.3 5.6 7.0
23 May 2026
61 Peptide Worldwide X 1 6.2 6.2 6.2
17 Dec 2024
62 Welon Peptide Solutions X 1 6.1 6.1 6.1
2 Apr 2025
63 Yabang Peptide X 1 5.9 5.9 5.9
11 Jun 2025
64 Amplified Amino X 1 5.9 5.9 5.9
7 May 2025
65 Uther A 3 5.8 4.5 6.6
17 May 2026
66 Cellupep X 1 5.6 5.6 5.6
6 May 2025
67 Liberty Peptides X 1 4.9 4.9 4.9
9 Jun 2025
68 Qingdao Saber Technology Pharma QST X 1 4.9 4.9 4.9
14 Jan 2025
69 Champion Peptide X 1 4.8 4.8 4.8
9 Jun 2025
70 Elite Research USA B 3 4.7 3.4 6.4
24 May 2026
71 Wolverine Peptides X 1 4.6 4.6 4.6
8 Jul 2025
72 Shenzhen Loga Tech LG LOGA X 1 4.6 4.6 4.6
17 Dec 2024
73 Anlv Biotechnology X 1 4.3 4.3 4.3
17 Dec 2024
74 Swiss Chems X 1 3.3 3.3 3.3
21 May 2025
75 Explicit Sarms X 1 2.8 2.8 2.8
13 Feb 2025
76 Peptides For Sale D 2 2.6 1.3 4.0
24 May 2026
77 Advanced Technology and Industrial X 1 0.1 0.1 0.1
2 Jul 2025
78 Zhuoyue Biotechnology X 1 0.0 0.0 0.0
9 Jun 2025
79 Wuhan Newtop Biotech X 1 0.0 0.0 0.0
27 Feb 2025