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

Vendor grade distribution

77 vendors · 6 flagged D–E
51
A
12
B
8
C
3
D
3
E
# Vendor Rating Count Avg Min Max Range 0–10 Most Recent
1 Homopeptide A 7 10.0 9.9 10.0
24 May 2026
2 Tianjin Finder Chemical TFC A 7 10.0 9.9 10.0
16 Apr 2026
3 Sangon Bio A 4 10.0 9.9 10.0
5 Jul 2026
4 JEEP Peptides A 4 10.0 10.0 10.0
6 Jun 2026
5 WuXi TIDES A 4 10.0 10.0 10.0
7 Mar 2026
6 SinoPep A 4 10.0 10.0 10.0
16 Jul 2026
7 QYAOBIO A 3 10.0 10.0 10.0
10 Jul 2026
8 Kerui Peptides A 3 10.0 9.9 10.0
6 Jun 2026
9 Hubei Jianxiang A 3 10.0 9.9 10.0
14 May 2026
10 Chinese Peptide Company A 3 10.0 9.9 10.0
14 Jul 2026
11 Hybio Pharmaceutical A 3 10.0 9.9 10.0
26 Jul 2026
12 GenScript Peptides A 3 10.0 9.9 10.0
26 Jul 2026
13 AmbioPharm A 3 10.0 10.0 10.0
9 May 2026
14 Bachem A 2 10.0 10.0 10.0
3 Jul 2026
15 Sigma-Aldrich A 2 10.0 10.0 10.0
14 Jul 2026
16 PolyPeptide Group A 2 10.0 10.0 10.0
14 Jul 2026
17 Flourishglobal Peptide A 4 9.9 9.9 10.0
24 May 2026
18 Shanghai Wibson Biotechnology A 4 9.9 9.9 10.0
7 Jul 2026
19 Thermo Fisher Scientific A 4 9.9 9.9 10.0
15 Jul 2026
20 Asymchem A 4 9.9 9.9 10.0
6 Aug 2026
21 Bulk Peptide Wholesale A 3 9.9 9.8 10.0
18 May 2026
22 Shanghai ERP Biotechnology A 3 9.9 9.9 10.0
20 May 2026
23 Mokemei Biotechnology A 3 9.9 9.9 10.0
19 Jun 2026
24 Shanghai Sigma Audley A 2 9.9 9.9 10.0
23 Jun 2026
25 Injectify A 4 9.5 8.4 10.0
22 Jul 2025
26 Shanghai Sigma Audley SSA A 5 9.2 8.6 9.7
24 May 2026
27 NextechLabs A 2 9.1 9.0 9.3
23 Jan 2025
28 Peptide Technologies A 4 8.8 7.2 10.0
20 Mar 2025
29 Yiwu Aozuo Trading Co A 2 8.8 8.0 9.7
30 Dec 2025
30 Glbiochem (Shanghai) A 6 8.5 7.4 8.9
21 May 2026
31 Bulk Peptide Supply A 5 8.5 7.1 10.0
9 Jan 2026
32 Pure Rawz A 4 8.4 7.9 9.0
21 May 2025
33 Peptide Crafters A 10 8.3 6.4 9.0
20 Mar 2025
34 Astro Peptides A 7 8.3 6.7 9.7
5 May 2025
35 Verified Peptides A 4 8.3 7.9 8.9
19 Feb 2025
36 Wuhan Wansheng Bio (WWB) A 4 8.3 7.6 8.9
21 May 2026
37 Skye Peptides A 9 8.2 7.2 8.6
20 Mar 2025
38 Deuschem A 4 8.2 7.7 9.0
5 Aug 2025
39 Uther A 3 8.0 7.3 8.8
29 Dec 2025
40 Qingdao Sigma Chemical QSC A 6 7.8 6.1 9.8
24 May 2026
41 Amino Asylum A 2 7.8 7.6 8.0
19 Feb 2025
42 Amino Amigos A 7 7.7 6.5 9.8
20 Mar 2025
43 Tianjin Ruiwang New Material Technology Co A 4 7.7 6.8 8.4
13 Dec 2025
44 Atomik Labz A 4 7.7 6.5 8.2
6 May 2025
45 Planet Peptide A 8 7.5 6.9 9.0
6 May 2025
46 Nantong Guangyuan Chemical GYC A 2 7.5 7.3 7.8
21 May 2026
47 Forever Young Pharmacy A 5 7.4 6.3 8.5
19 Feb 2025
48 Liberty Peptides A 5 7.4 6.2 8.0
24 Oct 2025
49 Simple Peptide A 4 7.4 6.3 9.5
6 May 2025
50 Accelerate Labs A 3 7.3 7.1 7.6
22 Jul 2025
51 HK Peptides A 8 7.1 6.2 8.0
26 Jan 2026
52 Nuscience Peptides B 14 7.8 5.6 10.0
10 Sep 2025
53 Bfflist AMO B 3 7.7 5.3 9.0
25 Nov 2025
54 Peptide Sciences B 15 7.5 5.0 9.8
24 May 2026
55 SRY Labs B 4 7.3 5.5 9.6
15 Jan 2026
56 Peptide-S B 5 7.2 5.6 9.0
15 Jan 2026
57 Royal Peptides B 7 7.0 5.8 8.9
3 Aug 2025
58 Alpha-Gen B 5 6.8 5.4 7.6
21 May 2025
59 Precision Peptide Co B 4 6.8 5.0 9.0
16 May 2025
60 Peptide Gurus B 6 6.5 5.9 7.3
25 Mar 2025
61 Suaway Lab Research B 5 6.5 5.8 7.4
22 Jul 2025
62 Eternal Peptides B 4 6.4 5.7 7.5
21 May 2025
63 Platinum Cryo B 6 6.1 5.2 8.0
7 May 2025
64 Shenzhen Loga Tech LG LOGA C 4 7.0 4.3 8.0
17 Dec 2025
65 Polaris Peptides C 16 6.9 4.7 8.7
12 Aug 2025
66 Paramount Peptides C 9 6.3 4.6 8.9
6 May 2025
67 Elite Research USA C 9 6.3 4.5 8.0
5 Aug 2025
68 Nexaph C 14 6.2 4.5 7.5
22 Jul 2025
69 Zhejiang Yichenkang Biotechnology C 6 6.2 4.5 8.0
5 Aug 2025
70 Amplified Amino C 4 5.2 4.8 5.5
19 Feb 2025
71 Pharma Grade Peptides C 2 5.1 5.1 5.2
7 May 2025
72 Tydes D 9 4.9 4.4 5.4
30 Apr 2025
73 Loti Labs D 4 4.9 4.6 5.0
25 Mar 2025
74 Peptides For Sale D 4 4.6 3.6 6.0
20 Mar 2025
75 ZLZ Peptide E 8 5.8 2.5 7.9
19 May 2026
76 Oupeptide E 6 5.1 0.0 7.2
29 Jan 2026
77 Coastal Peptides E 6 0.8 0.0 5.0
28 Mar 2025