Methylene Blue
66
Vendors
178
Samples
6.2
Avg Score
Vendor grade distribution
66 vendors · 1 flagged D–E
32
A
4
B
3
C
1
D
0
E
26
X
| # | Vendor | Rating | Count | Avg | Min | Max | Range 0–10 | Most Recent |
|---|---|---|---|---|---|---|---|---|
| 1 | Tianjin Finder Chemical TFC | A | 7 | 10.0 | 9.9 | 10.0 | 16 Apr 2026 | |
| 2 | WuXi TIDES | A | 5 | 10.0 | 9.9 | 10.0 | 13 Jul 2026 | |
| 3 | Homopeptide | A | 4 | 10.0 | 9.9 | 10.0 | 23 May 2026 | |
| 4 | Shanghai ERP Biotechnology | A | 4 | 10.0 | 9.9 | 10.0 | 2 Jul 2026 | |
| 5 | Shanghai Sigma Audley | A | 4 | 10.0 | 9.9 | 10.0 | 10 Jul 2026 | |
| 6 | GenScript Peptides | A | 4 | 10.0 | 9.9 | 10.0 | 3 Aug 2026 | |
| 7 | PolyPeptide Group | A | 4 | 10.0 | 9.9 | 10.0 | 6 Aug 2026 | |
| 8 | QYAOBIO | A | 3 | 10.0 | 9.9 | 10.0 | 24 May 2026 | |
| 9 | JEEP Peptides | A | 3 | 10.0 | 9.9 | 10.0 | 10 Jun 2026 | |
| 10 | Bachem | A | 3 | 10.0 | 10.0 | 10.0 | 24 Jun 2026 | |
| 11 | Hubei Jianxiang | A | 3 | 10.0 | 10.0 | 10.0 | 26 Jun 2026 | |
| 12 | Mokemei Biotechnology | A | 3 | 10.0 | 9.9 | 10.0 | 28 Jun 2026 | |
| 13 | Hybio Pharmaceutical | A | 3 | 10.0 | 9.9 | 10.0 | 15 Jul 2026 | |
| 14 | Sigma-Aldrich | A | 3 | 10.0 | 9.9 | 10.0 | 18 Aug 2026 | |
| 15 | Asymchem | A | 3 | 10.0 | 10.0 | 10.0 | 17 Jul 2026 | |
| 16 | AmbioPharm | A | 3 | 10.0 | 9.9 | 10.0 | 19 Aug 2026 | |
| 17 | Shanghai Wibson Biotechnology | A | 2 | 10.0 | 10.0 | 10.0 | 6 May 2026 | |
| 18 | Sangon Bio | A | 4 | 9.9 | 9.9 | 10.0 | 24 Apr 2026 | |
| 19 | Flourishglobal Peptide | A | 4 | 9.9 | 9.9 | 10.0 | 17 May 2026 | |
| 20 | Kerui Peptides | A | 3 | 9.9 | 9.9 | 10.0 | 5 Jun 2026 | |
| 21 | Chinese Peptide Company | A | 2 | 9.9 | 9.9 | 9.9 | 16 May 2026 | |
| 22 | Thermo Fisher Scientific | A | 2 | 9.9 | 9.9 | 10.0 | 19 Jul 2026 | |
| 23 | SinoPep | A | 2 | 9.9 | 9.9 | 10.0 | 7 Jul 2026 | |
| 24 | Qingdao Sigma Chemical QSC | A | 8 | 8.8 | 6.8 | 9.9 | 21 May 2026 | |
| 25 | Glbiochem (Shanghai) | A | 5 | 8.7 | 7.4 | 10.0 | 24 May 2026 | |
| 26 | Shanghai Sigma Audley SSA | A | 4 | 8.2 | 6.8 | 10.0 | 24 May 2026 | |
| 27 | Wuhan Wansheng Bio (WWB) | A | 6 | 7.4 | 6.0 | 8.2 | 23 May 2026 | |
| 28 | Nantong Guangyuan Chemical GYC | A | 2 | 7.0 | 6.4 | 7.5 | 24 May 2026 | |
| 29 | Trusted Peptide | X | 1 | 10.0 | 10.0 | 10.0 | 9 Jun 2025 | |
| 30 | Shandong Shengyuan Peptide Technology | X | 1 | 9.7 | 9.7 | 9.7 | 6 May 2025 | |
| 31 | Peptide Technologies | X | 1 | 9.6 | 9.6 | 9.6 | 17 Dec 2024 | |
| 32 | Champion Peptide | X | 1 | 8.3 | 8.3 | 8.3 | 2 Apr 2025 | |
| 33 | Shanghai Baoju | X | 1 | 8.0 | 8.0 | 8.0 | 24 Apr 2025 | |
| 34 | Xianhong Tong XHT Peptides | X | 1 | 7.8 | 7.8 | 7.8 | 3 Jun 2025 | |
| 35 | Limitless Life Nootropics | B | 2 | 7.7 | 7.0 | 8.3 | 24 May 2026 | |
| 36 | Platinum Cryo | X | 1 | 7.6 | 7.6 | 7.6 | 28 Mar 2025 | |
| 37 | Xingtai Lesda Technology | X | 1 | 7.5 | 7.5 | 7.5 | 17 Dec 2024 | |
| 38 | HK Peptides | A | 8 | 7.4 | 5.7 | 9.3 | 24 May 2026 | |
| 39 | Yabang Peptide | X | 1 | 7.4 | 7.4 | 7.4 | 2 Apr 2025 | |
| 40 | LiliPeptide | C | 13 | 7.2 | 2.9 | 10.0 | 19 Jan 2026 | |
| 41 | Mai Peptide | C | 5 | 7.2 | 4.9 | 10.0 | 24 May 2026 | |
| 42 | Science | X | 1 | 7.0 | 7.0 | 7.0 | 16 Mar 2025 | |
| 43 | LN Peptides | X | 1 | 6.7 | 6.7 | 6.7 | 2 Apr 2025 | |
| 44 | Laicuinuo LCN | X | 1 | 6.3 | 6.3 | 6.3 | 13 Feb 2025 | |
| 45 | Shenzhen Loga Tech LG LOGA | B | 2 | 6.2 | 4.5 | 7.8 | 21 May 2026 | |
| 46 | Peptide Sciences | A | 3 | 6.0 | 4.5 | 7.4 | 24 May 2026 | |
| 47 | NextechLabs | A | 2 | 5.8 | 5.0 | 6.6 | 21 May 2026 | |
| 48 | Zhejiang Yichenkang Biotechnology | B | 5 | 5.7 | 3.5 | 8.0 | 21 May 2026 | |
| 49 | Haikou Mingheng Technology | X | 1 | 5.7 | 5.7 | 5.7 | 2 Apr 2025 | |
| 50 | Lipeptides | X | 1 | 5.6 | 5.6 | 5.6 | 2 Apr 2025 | |
| 51 | Tydes | C | 3 | 5.4 | 3.8 | 7.2 | 25 May 2026 | |
| 52 | Cellupep | X | 1 | 5.3 | 5.3 | 5.3 | 27 Feb 2025 | |
| 53 | Alpha-Gen | B | 2 | 5.2 | 3.7 | 6.8 | 21 May 2026 | |
| 54 | Prime Peptides | X | 1 | 5.2 | 5.2 | 5.2 | 3 Jun 2025 | |
| 55 | Modern Aminos | X | 1 | 5.0 | 5.0 | 5.0 | 25 Apr 2025 | |
| 56 | Shaanxi Dideu Medichem | X | 1 | 5.0 | 5.0 | 5.0 | 3 Jun 2025 | |
| 57 | Changan District Sheng Peptide Trading | X | 1 | 4.2 | 4.2 | 4.2 | 6 May 2025 | |
| 58 | Loti Labs | A | 2 | 4.1 | 3.0 | 5.2 | 23 May 2026 | |
| 59 | Pharma Grade Peptides | X | 1 | 4.1 | 4.1 | 4.1 | 13 Feb 2025 | |
| 60 | Oasis Peptides | X | 1 | 4.0 | 4.0 | 4.0 | 2 Jul 2025 | |
| 61 | Guangzhou Lengiuanhuang Cosmetics | X | 1 | 2.7 | 2.7 | 2.7 | 14 Jan 2025 | |
| 62 | Peptides For Sale | D | 2 | 2.5 | 0.0 | 5.1 | 24 May 2026 | |
| 63 | Wuhan Newtop Biotech | X | 1 | 0.7 | 0.7 | 0.7 | 14 Jan 2025 | |
| 64 | NuLife Peptides | X | 1 | 0.0 | 0.0 | 0.0 | 9 Jun 2025 | |
| 65 | Guangzhou Yuao Trading | X | 1 | 0.0 | 0.0 | 0.0 | 16 Mar 2025 | |
| 66 | SubQ Society | X | 1 | 0.0 | 0.0 | 0.0 | 13 Feb 2025 |