Vitamin B12 1mg/ml
53
Vendors
151
Samples
6.5
Average score
23 May 2026
Latest assay
| № | Vendor | Rating | Samples | Avg | Min | Max | Most recent |
|---|---|---|---|---|---|---|---|
| 1 | Tianjin Finder Chemical TFC | A | 7 | 10.0 | 9.9 | 10.0 | 16 Apr 2026 |
| 2 | Sangon Bio | A | 4 | 10.0 | 10.0 | 10.0 | 5 Jun 2026 |
| 3 | JEEP Peptides | A | 4 | 10.0 | 9.9 | 10.0 | 4 Jun 2026 |
| 4 | Kerui Peptides | A | 4 | 10.0 | 10.0 | 10.0 | 19 May 2026 |
| 5 | Mokemei Biotechnology | A | 4 | 10.0 | 9.9 | 10.0 | 13 Mar 2026 |
| 6 | Shanghai ERP Biotechnology | A | 3 | 10.0 | 9.9 | 10.0 | 5 Jul 2026 |
| 7 | Hubei Jianxiang | A | 3 | 10.0 | 10.0 | 10.0 | 23 Apr 2026 |
| 8 | Flourishglobal Peptide | A | 3 | 10.0 | 9.9 | 10.0 | 14 Jul 2026 |
| 9 | Thermo Fisher Scientific | A | 3 | 10.0 | 9.9 | 10.0 | 2 Aug 2026 |
| 10 | Homopeptide | A | 5 | 9.9 | 9.9 | 10.0 | 24 May 2026 |
| 11 | Shanghai Sigma Audley | A | 4 | 9.9 | 9.9 | 10.0 | 7 Mar 2026 |
| 12 | WuXi TIDES | A | 4 | 9.9 | 9.9 | 10.0 | 8 Mar 2026 |
| 13 | Sigma-Aldrich | A | 4 | 9.9 | 9.9 | 10.0 | 12 Aug 2026 |
| 14 | Bachem | A | 3 | 9.9 | 9.9 | 9.9 | 11 Jul 2026 |
| 15 | GenScript Peptides | A | 3 | 9.9 | 9.9 | 10.0 | 5 Aug 2026 |
| 16 | SinoPep | A | 3 | 9.9 | 9.9 | 10.0 | 6 Aug 2026 |
| 17 | QYAOBIO | A | 2 | 9.9 | 9.9 | 10.0 | 9 Jul 2026 |
| 18 | Shanghai Wibson Biotechnology | A | 2 | 9.9 | 9.9 | 10.0 | 19 May 2026 |
| 19 | Chinese Peptide Company | A | 2 | 9.9 | 9.9 | 10.0 | 18 Feb 2026 |
| 20 | Hybio Pharmaceutical | A | 2 | 9.9 | 9.9 | 10.0 | 10 Mar 2026 |
| 21 | PolyPeptide Group | A | 2 | 9.9 | 9.9 | 9.9 | 7 Apr 2026 |
| 22 | Asymchem | A | 2 | 9.9 | 9.9 | 9.9 | 14 Aug 2026 |
| 23 | AmbioPharm | A | 2 | 9.9 | 9.9 | 9.9 | 12 Aug 2026 |
| 24 | Wuhan Wansheng Bio (WWB) | A | 4 | 8.8 | 8.1 | 9.5 | 21 May 2026 |
| 25 | Qingdao Sigma Chemical QSC | A | 8 | 8.5 | 7.1 | 9.7 | 24 May 2026 |
| 26 | Shanghai Sigma Audley SSA | A | 5 | 8.5 | 7.9 | 9.6 | 24 May 2026 |
| 27 | Glbiochem (Shanghai) | A | 8 | 8.3 | 6.8 | 10.0 | 24 May 2026 |
| 28 | Nantong Guangyuan Chemical GYC | A | 4 | 7.7 | 6.8 | 8.2 | 24 May 2026 |
| 29 | Shenzhen Jiechuang Trading | X | 1 | 8.7 | 8.7 | 8.7 | 21 May 2025 |
| 30 | Rayshine Peptide Biochemicals | X | 1 | 8.7 | 8.7 | 8.7 | 2 Apr 2025 |
| 31 | Peptide Haven | X | 1 | 8.6 | 8.6 | 8.6 | 3 Jun 2025 |
| 32 | TCI | X | 1 | 8.4 | 8.4 | 8.4 | 3 Jul 2025 |
| 33 | OmegAmino | X | 1 | 8.4 | 8.4 | 8.4 | 14 Jan 2025 |
| 34 | Quenna PMQ | X | 1 | 8.1 | 8.1 | 8.1 | 21 May 2025 |
| 35 | Cellupep | X | 1 | 7.9 | 7.9 | 7.9 | 13 Jun 2025 |
| 36 | Precision Peptide Co | A | 2 | 7.8 | 6.1 | 9.5 | 24 May 2026 |
| 37 | Yongkang Nuoao Trading Co | X | 1 | 7.7 | 7.7 | 7.7 | 21 May 2025 |
| 38 | UWA Elite Peptides | X | 1 | 7.5 | 7.5 | 7.5 | 13 Jun 2025 |
| 39 | Heman Peptide HM | X | 1 | 7.4 | 7.4 | 7.4 | 20 Jun 2025 |
| 40 | Shanghai Wibson Biotechnology WBS | X | 1 | 7.4 | 7.4 | 7.4 | 11 Jun 2025 |
| 41 | Pure Rawz | X | 1 | 7.0 | 7.0 | 7.0 | 2 Apr 2025 |
| 42 | Injectify | A | 2 | 6.9 | 5.8 | 8.1 | 24 May 2026 |
| 43 | SRY Labs | B | 10 | 6.7 | 4.7 | 9.5 | 24 May 2026 |
| 44 | Peptide Sciences | A | 12 | 6.5 | 4.1 | 8.8 | 23 May 2026 |
| 45 | Hangzhou Youngpeptide Biotechnology HYB | X | 1 | 5.6 | 5.6 | 5.6 | 6 May 2025 |
| 46 | Hunan Ruiwang Technology Center | X | 1 | 5.5 | 5.5 | 5.5 | 2 Jul 2025 |
| 47 | Swiss Chems | X | 1 | 5.0 | 5.0 | 5.0 | 2 Jul 2025 |
| 48 | Oasis Peptides | X | 1 | 4.7 | 4.7 | 4.7 | 3 Jul 2025 |
| 49 | Eternal Peptides | X | 1 | 4.4 | 4.4 | 4.4 | 17 Dec 2024 |
| 50 | Alimo Peptide | X | 1 | 4.1 | 4.1 | 4.1 | 11 Jun 2025 |
| 51 | Limitless Life Nootropics | X | 1 | 1.9 | 1.9 | 1.9 | 2 Apr 2025 |
| 52 | Zhuoyue Biotechnology | X | 1 | 1.0 | 1.0 | 1.0 | 16 Mar 2025 |
| 53 | Marvel Peptide | X | 1 | 0.0 | 0.0 | 0.0 | 11 Jun 2025 |