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Vendor grade distribution

174 vendors · 47 flagged D–E
54
A
21
B
34
C
14
D
33
E
18
X
# Vendor Rating Count Avg Min Max Range 0–10 Most Recent
1 Homopeptide A 6 10.0 9.9 10.0
24 May 2026
2 Sangon Bio A 4 10.0 10.0 10.0
1 Jul 2026
3 QYAOBIO A 4 10.0 10.0 10.0
9 Jun 2026
4 SinoPep A 4 10.0 9.9 10.0
27 Jul 2026
5 Hubei Jianxiang A 3 10.0 10.0 10.0
9 May 2026
6 Flourishglobal Peptide A 3 10.0 9.9 10.0
6 Jun 2026
7 Shanghai Sigma Audley A 3 10.0 10.0 10.0
13 Apr 2026
8 Hybio Pharmaceutical A 3 10.0 10.0 10.0
12 Aug 2026
9 PolyPeptide Group A 3 10.0 9.9 10.0
21 Jul 2026
10 Bulk Peptide Wholesale A 2 10.0 10.0 10.0
19 May 2026
11 Kerui Peptides A 2 10.0 10.0 10.0
11 Jun 2026
12 Asymchem A 2 10.0 10.0 10.0
27 Jul 2026
13 Tianjin Finder Chemical TFC A 5 9.9 9.9 10.0
16 Apr 2026
14 Shanghai ERP Biotechnology A 4 9.9 9.9 10.0
28 May 2026
15 WuXi TIDES A 4 9.9 9.9 10.0
25 Jul 2026
16 AmbioPharm A 4 9.9 9.9 9.9
18 Aug 2026
17 JEEP Peptides A 3 9.9 9.9 10.0
25 Jun 2026
18 Sigma-Aldrich A 3 9.9 9.9 10.0
15 Aug 2026
19 Bachem A 2 9.9 9.9 10.0
3 Jul 2026
20 Mokemei Biotechnology A 2 9.9 9.9 9.9
10 May 2026
21 Shanghai Wibson Biotechnology A 2 9.9 9.9 10.0
21 May 2026
22 Chinese Peptide Company A 2 9.9 9.9 10.0
12 Jun 2026
23 GenScript Peptides A 2 9.9 9.9 10.0
11 May 2026
24 Thermo Fisher Scientific A 2 9.9 9.9 10.0
11 Aug 2026
25 Paradigm Peptide A 6 9.6 7.6 10.0
4 Sep 2025
26 NUPEPS Peptides A 2 9.5 9.3 9.8
16 Dec 2025
27 Peptide Partners A 16 8.8 6.7 10.0
24 May 2026
28 Orbitrex Peptides A 9 8.8 6.5 10.0
24 May 2026
29 SubQ Society A 2 8.8 8.1 9.5
25 May 2026
30 Pure Rawz A 4 8.6 8.1 9.1
21 May 2025
31 Risynth Bio A 4 8.6 6.0 10.0
4 Sep 2025
32 Peptide Haven A 2 8.5 8.4 8.6
2 Dec 2025
33 Qingdao Sigma Chemical QSC A 5 8.4 7.9 9.5
21 May 2026
34 NuLife Peptides A 2 8.4 7.8 9.0
24 May 2026
35 Aavant Research A 7 8.3 6.2 9.5
24 May 2026
36 Glbiochem (Shanghai) A 7 8.3 7.3 10.0
24 May 2026
37 Nantong Guangyuan Chemical GYC A 8 8.2 7.1 10.0
21 May 2026
38 Lux Synth Aminos A 2 8.2 7.2 9.1
22 May 2026
39 Huaian Hanyou Peptide A 7 8.1 6.5 10.0
24 May 2026
40 Wuhan Wansheng Bio (WWB) A 6 8.1 6.5 10.0
25 May 2026
41 Zhang TY A 3 8.1 7.3 9.3
7 Jan 2026
42 Lisa Biopeptide A 11 8.0 6.0 9.4
24 May 2026
43 Lipeptides A 7 7.9 6.6 10.0
20 May 2026
44 Atomik Labz A 6 7.9 6.8 9.0
24 May 2026
45 Zenith Jove Peptide ZJ A 9 7.8 6.8 9.4
24 May 2026
46 Shanghai Sigma Audley SSA A 2 7.8 6.6 9.0
24 May 2026
47 Shandong Shengyuan Peptide Technology A 9 7.7 6.5 9.5
21 May 2026
48 NextechLabs A 7 7.7 6.5 9.4
9 Oct 2025
49 YB Peptide A 6 7.7 6.0 8.5
19 May 2026
50 PurePeptides A 5 7.7 6.8 9.4
19 Jan 2026
51 OmegAmino A 4 7.7 6.3 10.0
12 Aug 2025
52 Peptide Crafters A 6 7.6 6.6 9.5
16 Dec 2025
53 Loti Labs A 5 7.3 6.0 8.0
6 May 2025
54 Nuscience Peptides A 8 7.2 6.1 10.0
20 May 2026
55 Bfflist AMO B 45 8.4 5.7 10.0
21 May 2026
56 Bfflink B 13 8.1 5.8 10.0
24 May 2026
57 Skye Peptides B 10 7.9 6.0 9.5
14 Aug 2025
58 Shanghai JinBei Chemical Technology B 9 7.9 5.2 10.0
24 May 2026
59 HkRoids B 8 7.9 5.8 9.9
24 May 2026
60 Shenzhen Loga Tech LG LOGA B 9 7.8 5.5 10.0
20 May 2026
61 Cellupep B 7 7.6 5.3 10.0
21 May 2026
62 Shanghai Leader Peptide Biotechnology B 8 7.5 5.8 10.0
23 May 2026
63 Limitless Life Nootropics B 4 7.3 5.8 10.0
19 Feb 2025
64 Allen Biotechnology Co ABC B 12 7.2 5.3 9.0
23 May 2026
65 Henan Sahe Peptide B 11 7.2 5.3 10.0
23 May 2026
66 Hunan Ruiwang Technology Center B 10 7.2 5.5 8.0
24 May 2026
67 Yongkang Nuoao Trading Co B 8 7.2 5.8 9.0
24 May 2026
68 Peptronix Bio PTB B 8 7.2 5.7 8.0
22 May 2026
69 Verified Peptides B 4 7.0 5.9 9.7
19 Feb 2025
70 Oasis Peptides B 7 6.8 5.7 7.9
24 Jul 2025
71 Haikou Mingheng Technology B 7 6.7 5.8 8.0
24 May 2026
72 LN Peptides B 7 6.7 5.0 8.0
21 May 2026
73 Champion Peptide B 6 6.7 5.6 8.1
7 Jan 2026
74 Eternal Peptides B 4 6.4 5.8 6.9
21 May 2025
75 Pharma Grade Peptides B 2 6.3 6.3 6.3
7 May 2025
76 Yiwu Aozuo Trading Co C 26 8.2 4.9 10.0
23 May 2026
77 PeptiSlim C 22 7.7 4.4 10.0
25 May 2026
78 Rayshine Peptide Biochemicals C 6 7.7 4.4 10.0
19 Jan 2026
79 Xingtai Jiachuang Technology C 8 7.6 4.5 9.5
26 Jan 2026
80 Paramount Peptides C 12 7.5 4.3 9.3
6 Dec 2025
81 Dankang BioHealth C 12 7.5 4.2 10.0
24 May 2026
82 Hebei Rimao Technology C 17 7.4 4.1 9.8
24 May 2026
83 Kits4less C 7 7.4 4.7 10.0
24 May 2026
84 Uther C 13 7.3 4.7 10.0
24 May 2026
85 Injectify C 4 7.3 4.1 8.7
23 Jul 2025
86 Zztai Peptide C 11 7.2 5.0 9.6
22 May 2026
87 EHZ Peptides C 25 7.1 4.6 10.0
24 May 2026
88 Hangzhou Mandy Biotechnology C 7 7.1 4.4 9.8
24 May 2026
89 Liberty Peptides C 6 7.1 4.3 10.0
7 Jan 2026
90 BeiBangAn C 23 7.0 4.4 9.8
24 May 2026
91 Huayi Biotechnology C 11 7.0 4.5 9.3
22 May 2026
92 Xingtai Pukelai Technology Co C 6 6.9 4.1 9.9
29 Dec 2025
93 Royal Peptides C 13 6.8 4.6 8.8
24 May 2026
94 Chimera Peptides C 7 6.7 4.7 8.0
22 May 2026
95 Amino Amigos C 2 6.7 4.0 9.4
23 Jan 2025
96 M-Peptides C 7 6.6 4.8 9.5
21 May 2026
97 Platinum Cryo C 6 6.6 5.0 8.0
7 May 2025
98 Planet Peptide C 14 6.5 4.5 8.5
20 May 2026
99 Biolongevity Labs C 11 6.5 4.4 8.0
23 Jul 2025
100 Zen Peptides C 9 6.5 4.2 7.8
24 May 2026
101 Qingdao Saber Technology Pharma QST C 7 6.5 4.7 10.0
29 Dec 2025
102 Top Peptide C 6 6.5 4.2 10.0
22 Jan 2026
103 ZhuoYan lab C 12 6.4 4.3 8.0
19 May 2026
104 Golden Eagle C 8 6.2 4.9 9.7
15 Jan 2026
105 Simple Peptide C 4 6.0 4.7 7.7
6 May 2025
106 Accelerate Labs C 3 5.8 4.1 6.9
23 Jul 2025
107 Elite Research USA C 7 5.6 4.8 6.9
7 Jan 2026
108 Amino Asylum C 2 5.6 4.8 6.5
19 Feb 2025
109 Suaway Lab Research C 5 5.5 4.3 6.3
16 May 2025
110 Xingruida XDR D 22 8.1 3.6 10.0
23 May 2026
111 Polaris Peptides D 26 7.3 3.9 9.0
7 Jan 2026
112 Kerisite Shenzhen International D 14 7.1 3.4 10.0
24 May 2026
113 Zhejiang Yichenkang Biotechnology D 11 7.1 3.3 10.0
11 Dec 2025
114 Quenna PMQ D 7 6.9 3.6 9.7
1 Jan 2026
115 Mix Peptides D 9 6.7 3.3 9.1
24 May 2026
116 Welon Peptide Solutions D 5 6.4 3.3 7.8
22 May 2026
117 Amino Lair D 6 6.2 4.0 8.0
10 Dec 2025
118 Alpha-Gen D 5 6.2 4.0 7.8
21 May 2025
119 Haikou Mingheng Biotechnology D 5 6.2 3.8 8.0
23 May 2026
120 Xian Yihang Technology D 16 5.9 3.5 8.0
24 May 2026
121 Coastal Peptides D 5 5.9 3.8 7.9
20 Mar 2025
122 Tydes D 9 5.2 3.8 7.2
30 Apr 2025
123 Nanjing Xiyuxun Technology XYX D 2 4.9 4.1 5.7
23 Oct 2025
124 Mai Peptide E 25 8.0 2.2 10.0
22 May 2026
125 LiliPeptide E 101 7.9 0.0 10.0
24 May 2026
126 Tianjin Ruiwang New Material Technology Co E 50 7.8 0.0 10.0
24 May 2026
127 Reta-Peptide E 53 7.6 0.0 10.0
24 May 2026
128 SRY Labs E 28 7.5 1.5 10.0
24 May 2026
129 Qing Li Peptide E 96 7.4 2.8 10.0
24 May 2026
130 Nexaph E 82 7.3 0.0 10.0
25 May 2026
131 HK Peptides E 110 7.2 0.0 10.0
24 May 2026
132 TSC Top Supplements China E 43 7.2 2.0 10.0
23 May 2026
133 ZLZ Peptide E 78 7.1 0.0 10.0
24 May 2026
134 Oupeptide E 53 7.1 0.0 10.0
24 May 2026
135 Shanxi Qianyecao Biotech QYC E 41 7.1 0.0 10.0
24 May 2026
136 Peptide-S E 40 7.0 0.0 10.0
22 May 2026
137 Shandong Aishi Biotechnology E 16 7.0 0.8 10.0
24 May 2026
138 Shanghai Baoju E 11 7.0 2.0 10.0
24 May 2026
139 ZZQ Peptides E 11 6.9 0.0 9.5
21 May 2026
140 Heman Peptide HM E 19 6.8 2.9 9.8
25 May 2026
141 Yimei E 40 6.6 0.0 9.8
25 May 2026
142 Xingtai Lesda Technology E 6 6.6 0.0 10.0
23 Oct 2025
143 HXNet E 33 6.5 0.0 9.7
24 May 2026
144 LSPL E 20 6.4 1.6 10.0
21 May 2026
145 Bulk Peptide Supply E 5 6.4 0.0 9.5
18 Sep 2025
146 UWA Elite Peptides E 11 6.3 2.7 8.8
21 May 2026
147 Changan District Sheng Peptide Trading E 7 6.2 0.0 9.7
22 May 2026
148 Peptide Sciences E 37 6.1 2.0 10.0
24 May 2026
149 Modern Aminos E 4 5.8 0.0 7.9
5 Oct 2025
150 Hangzhou Youngpeptide Biotechnology HYB E 7 5.5 0.0 8.0
19 May 2026
151 Shanghai OuDaXin New Material Technology Center E 12 4.9 0.0 10.0
19 May 2026
152 Shaanxi Dideu Medichem E 6 4.9 0.0 7.4
24 May 2026
153 Amplified Amino E 4 4.2 2.2 7.0
19 Feb 2025
154 Forever Young Pharmacy E 8 2.9 1.5 7.1
31 Mar 2025
155 Alimo Peptide E 3 2.9 0.0 4.4
13 Oct 2025
156 Peptide Gurus E 7 0.8 0.0 5.4
3 Jul 2025
157 Regenerative Research X 1 9.7 9.7 9.7
20 Jun 2025
158 Coffee and Peppers X 1 9.5 9.5 9.5
25 May 2026
159 Yabang Peptide X 1 9.4 9.4 9.4
25 May 2026
160 Marvel Peptide X 1 8.6 8.6 8.6
25 May 2026
161 Pura Peptides X 1 8.3 8.3 8.3
24 Jul 2025
162 PepKits X 1 8.0 8.0 8.0
25 May 2026
163 Wuhan Newtop Biotech X 1 7.8 7.8 7.8
25 May 2026
164 Zhuoyue Biotechnology X 1 7.8 7.8 7.8
25 May 2026
165 TCI X 1 7.6 7.6 7.6
10 Jun 2025
166 PepLab Solutions X 1 7.6 7.6 7.6
25 May 2026
167 HK Fat Cat X 1 7.5 7.5 7.5
25 May 2026
168 Lejian Biotech Peptide X 1 7.1 7.1 7.1
25 May 2026
169 Peptide Worldwide X 1 7.1 7.1 7.1
6 May 2025
170 Guangzhou Yuao Trading X 1 6.8 6.8 6.8
25 May 2026
171 Hebei Chengtong Technology X 1 6.5 6.5 6.5
25 May 2026
172 PRIVATE X 1 5.9 5.9 5.9
24 May 2026
173 Wolverine Peptides X 1 5.0 5.0 5.0
3 Jul 2025
174 WllyBIO X 1 3.6 3.6 3.6
3 Jul 2025