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Vendor grade distribution

92 vendors · 38 flagged D–E
33
A
12
B
8
C
13
D
25
E
1
X
# Vendor Rating Count Avg Min Max Range 0–10 Most Recent
1 Homopeptide A 7 10.0 9.9 10.0
23 May 2026
2 Tianjin Finder Chemical TFC A 5 10.0 9.9 10.0
16 Apr 2026
3 WuXi TIDES A 5 10.0 9.9 10.0
26 Jul 2026
4 QYAOBIO A 4 10.0 10.0 10.0
26 May 2026
5 Mokemei Biotechnology A 4 10.0 9.9 10.0
28 Jun 2026
6 Shanghai Wibson Biotechnology A 4 10.0 9.9 10.0
19 Jun 2026
7 GenScript Peptides A 4 10.0 10.0 10.0
20 Jul 2026
8 Sigma-Aldrich A 4 10.0 10.0 10.0
21 Jul 2026
9 JEEP Peptides A 3 10.0 10.0 10.0
8 Jul 2026
10 Flourishglobal Peptide A 3 10.0 9.9 10.0
28 Jun 2026
11 AmbioPharm A 3 10.0 10.0 10.0
19 Aug 2026
12 Bachem A 4 9.9 9.9 10.0
28 May 2026
13 Kerui Peptides A 4 9.9 9.9 10.0
3 Jul 2026
14 Shanghai Sigma Audley A 4 9.9 9.9 10.0
17 Jul 2026
15 Hybio Pharmaceutical A 4 9.9 9.9 10.0
7 Aug 2026
16 Asymchem A 4 9.9 9.9 10.0
4 Jun 2026
17 Shanghai ERP Biotechnology A 3 9.9 9.9 10.0
18 Jun 2026
18 Thermo Fisher Scientific A 3 9.9 9.9 10.0
9 May 2026
19 Sangon Bio A 2 9.9 9.9 10.0
28 May 2026
20 Hubei Jianxiang A 2 9.9 9.9 10.0
3 May 2026
21 Chinese Peptide Company A 2 9.9 9.9 9.9
16 May 2026
22 PolyPeptide Group A 2 9.9 9.9 10.0
12 Aug 2026
23 SinoPep A 2 9.9 9.9 10.0
18 Jun 2026
24 Qingdao Sigma Chemical QSC A 3 9.4 8.3 10.0
24 May 2026
25 Glbiochem (Shanghai) A 2 9.0 8.4 9.6
24 May 2026
26 Shanghai Sigma Audley SSA A 7 8.9 6.9 9.9
23 May 2026
27 Wuhan Wansheng Bio (WWB) A 7 8.8 8.3 9.6
24 May 2026
28 Nantong Guangyuan Chemical GYC A 7 8.3 6.6 9.4
25 May 2026
29 Peptide Partners A 7 8.0 6.9 10.0
24 May 2026
30 Bulk Peptide Wholesale A 3 8.0 6.2 8.9
19 May 2026
31 Peptide Sciences A 13 7.8 6.5 9.0
17 May 2026
32 Eternal Peptides A 7 7.8 6.5 9.7
17 Nov 2025
33 Suaway Lab Research A 5 7.3 6.9 7.7
5 May 2025
34 Precision Peptide Co B 5 8.1 6.0 9.0
23 Oct 2025
35 Peptide Technologies B 5 7.7 5.0 10.0
6 Jan 2026
36 Forever Young Pharmacy B 5 7.2 5.6 9.5
19 Feb 2025
37 Atomik Labz B 4 7.0 5.3 8.3
6 May 2025
38 Science B 4 6.8 5.9 7.3
20 May 2025
39 NuLife Peptides B 2 6.8 6.4 7.3
24 May 2026
40 Verified Peptides B 5 6.7 5.2 9.0
19 Feb 2025
41 PeptiLab Research B 3 6.7 5.8 7.9
5 May 2025
42 Limitless Life Nootropics B 6 6.6 5.0 7.4
25 Sep 2025
43 Nuscience Peptides B 2 6.3 6.1 6.6
6 May 2025
44 PurePEPS B 4 6.2 5.8 7.3
20 Mar 2025
45 Peptidology B 3 6.1 5.5 7.1
6 Aug 2025
46 Uther C 9 7.3 4.7 10.0
21 May 2026
47 LiliPeptide C 12 7.1 4.1 10.0
21 May 2026
48 Pure Rawz C 4 7.1 4.7 9.5
6 May 2025
49 Xingruida XDR C 7 7.0 4.4 8.7
23 May 2026
50 Polaris Peptides C 11 6.2 4.5 7.9
1 Oct 2025
51 Swiss Chems C 2 5.7 4.8 6.5
17 Jul 2025
52 Alpha-Gen C 5 5.5 4.6 6.4
5 May 2025
53 Amino Asylum C 2 5.2 4.4 6.0
19 Feb 2025
54 Astro Peptides D 7 6.9 3.8 8.2
5 May 2025
55 Paramount Peptides D 11 6.8 3.2 9.0
3 Oct 2025
56 NextechLabs D 7 6.7 3.9 9.0
17 Jul 2025
57 Peptide Crafters D 6 6.6 4.0 8.9
29 Dec 2025
58 Simple Peptide D 3 6.3 3.9 8.1
2 May 2025
59 ZLZ Peptide D 9 5.8 3.1 9.8
29 Dec 2025
60 Amino Amigos D 8 5.8 3.6 7.0
16 Jul 2025
61 Prime Peptides D 6 5.8 3.8 8.4
10 Jul 2025
62 Oupeptide D 8 5.6 3.4 7.4
19 May 2026
63 Amplified Amino D 4 5.2 3.6 7.8
19 Feb 2025
64 Accelerate Labs D 3 5.1 3.9 5.9
25 Jul 2025
65 Peptide Gurus D 7 4.7 3.7 5.6
15 May 2025
66 Peptides 4 Research D 4 4.3 3.7 4.8
9 May 2025
67 Yiwu Aozuo Trading Co E 11 7.0 1.9 9.8
22 Jan 2026
68 HK Peptides E 17 6.8 2.4 8.0
23 May 2026
69 Nexaph E 11 6.6 1.5 9.7
24 May 2026
70 Peptide-S E 5 6.4 0.0 9.7
18 Sep 2025
71 Reta-Peptide E 12 6.3 2.0 8.9
24 May 2026
72 Skye Peptides E 12 6.1 2.6 8.5
22 May 2026
73 YB Peptide E 4 5.8 0.0 7.9
23 Dec 2025
74 Tianjin Ruiwang New Material Technology Co E 6 5.7 2.1 8.0
19 May 2026
75 Qing Li Peptide E 25 5.6 1.7 10.0
17 May 2026
76 TSC Top Supplements China E 12 5.6 0.0 8.8
26 Jan 2026
77 Oasis Peptides E 3 5.3 2.4 8.7
17 Dec 2025
78 Injectify E 7 5.0 2.0 7.0
25 Jul 2025
79 Elite Research USA E 9 4.9 2.2 8.0
4 Aug 2025
80 Zhejiang Yichenkang Biotechnology E 6 4.8 1.8 6.8
4 Aug 2025
81 Biolongevity Labs E 11 4.7 2.5 6.4
22 Nov 2025
82 Coastal Peptides E 5 4.2 2.4 5.6
20 Mar 2025
83 Tydes E 5 4.0 2.7 4.9
20 Mar 2025
84 SRY Labs E 7 3.9 1.3 9.3
6 Nov 2025
85 Guangzhou Lengiuanhuang Cosmetics E 3 3.8 2.1 4.8
2 Jan 2026
86 Pharma Grade Peptides E 2 3.6 3.4 3.8
6 May 2025
87 Loti Labs E 5 3.5 2.2 4.5
5 May 2025
88 Liberty Peptides E 3 3.3 2.7 4.3
5 May 2025
89 Biolabshop Limited E 2 2.8 2.7 2.9
25 Jul 2025
90 Peptides For Sale E 4 2.0 2.0 2.0
20 Mar 2025
91 Deuschem E 4 1.8 1.0 2.0
4 Aug 2025
92 Yabang Peptide X 1 6.4 6.4 6.4
25 May 2026