Masteron P (Drostanolone P)
62
Vendors
150
Samples
6.3
Average score
21 May 2026
Latest assay
| № | Vendor | Rating | Samples | Avg | Min | Max | Most recent |
|---|---|---|---|---|---|---|---|
| 1 | Homopeptide | A | 7 | 10.0 | 9.9 | 10.0 | 23 May 2026 |
| 2 | Tianjin Finder Chemical TFC | A | 6 | 10.0 | 9.9 | 10.0 | 16 Apr 2026 |
| 3 | WuXi TIDES | A | 4 | 10.0 | 9.9 | 10.0 | 10 Jul 2026 |
| 4 | Hybio Pharmaceutical | A | 4 | 10.0 | 9.9 | 10.0 | 24 Jun 2026 |
| 5 | AmbioPharm | A | 4 | 10.0 | 9.9 | 10.0 | 12 Aug 2026 |
| 6 | Sangon Bio | A | 3 | 10.0 | 10.0 | 10.0 | 14 Jun 2026 |
| 7 | Bachem | A | 3 | 10.0 | 10.0 | 10.0 | 19 May 2026 |
| 8 | Mokemei Biotechnology | A | 3 | 10.0 | 9.9 | 10.0 | 1 Jul 2026 |
| 9 | Asymchem | A | 3 | 10.0 | 9.9 | 10.0 | 12 Jun 2026 |
| 10 | Shanghai Wibson Biotechnology | A | 2 | 10.0 | 10.0 | 10.0 | 3 Jun 2026 |
| 11 | Chinese Peptide Company | A | 2 | 10.0 | 10.0 | 10.0 | 2 Jun 2026 |
| 12 | Shanghai ERP Biotechnology | A | 4 | 9.9 | 9.9 | 10.0 | 4 Jul 2026 |
| 13 | QYAOBIO | A | 4 | 9.9 | 9.9 | 10.0 | 6 Jul 2026 |
| 14 | Kerui Peptides | A | 4 | 9.9 | 9.9 | 10.0 | 25 Jun 2026 |
| 15 | Flourishglobal Peptide | A | 3 | 9.9 | 9.9 | 10.0 | 1 May 2026 |
| 16 | Shanghai Sigma Audley | A | 3 | 9.9 | 9.9 | 10.0 | 7 Jul 2026 |
| 17 | SinoPep | A | 3 | 9.9 | 9.9 | 10.0 | 19 Aug 2026 |
| 18 | JEEP Peptides | A | 2 | 9.9 | 9.9 | 10.0 | 7 Jul 2026 |
| 19 | Hubei Jianxiang | A | 2 | 9.9 | 9.9 | 9.9 | 11 Apr 2026 |
| 20 | GenScript Peptides | A | 2 | 9.9 | 9.9 | 10.0 | 24 Jun 2026 |
| 21 | Sigma-Aldrich | A | 2 | 9.9 | 9.9 | 10.0 | 9 Jul 2026 |
| 22 | PolyPeptide Group | A | 2 | 9.9 | 9.9 | 10.0 | 25 Feb 2026 |
| 23 | Thermo Fisher Scientific | A | 2 | 9.9 | 9.9 | 9.9 | 15 Aug 2026 |
| 24 | Glbiochem (Shanghai) | A | 5 | 9.4 | 8.0 | 10.0 | 24 May 2026 |
| 25 | Shanghai Sigma Audley SSA | A | 3 | 8.6 | 8.5 | 8.8 | 24 May 2026 |
| 26 | Wuhan Wansheng Bio (WWB) | A | 5 | 8.5 | 8.0 | 9.2 | 24 May 2026 |
| 27 | Nantong Guangyuan Chemical GYC | A | 7 | 8.4 | 7.9 | 9.5 | 24 May 2026 |
| 28 | Qingdao Sigma Chemical QSC | A | 2 | 8.4 | 7.4 | 9.4 | 21 May 2026 |
| 29 | PeptiLab Research | X | 1 | 10.0 | 10.0 | 10.0 | 14 Jan 2025 |
| 30 | Hazel | X | 1 | 9.8 | 9.8 | 9.8 | 11 Jun 2025 |
| 31 | Bulk Peptide Wholesale | X | 1 | 9.4 | 9.4 | 9.4 | 21 May 2025 |
| 32 | Dankang BioHealth | X | 1 | 8.7 | 8.7 | 8.7 | 28 Mar 2025 |
| 33 | OmegAmino | X | 1 | 8.6 | 8.6 | 8.6 | 27 Feb 2025 |
| 34 | Bfflink | X | 1 | 8.4 | 8.4 | 8.4 | 11 Jun 2025 |
| 35 | Injectify | A | 2 | 8.2 | 8.0 | 8.4 | 21 May 2026 |
| 36 | Rayshine Peptide Biochemicals | X | 1 | 8.1 | 8.1 | 8.1 | 3 Jun 2025 |
| 37 | Reta-Peptide | B | 4 | 8.0 | 7.2 | 8.8 | 26 Jan 2026 |
| 38 | Kits4less | X | 1 | 7.8 | 7.8 | 7.8 | 13 Jun 2025 |
| 39 | NextGen Health | X | 1 | 7.6 | 7.6 | 7.6 | 11 Jun 2025 |
| 40 | Pura Peptides | X | 1 | 7.4 | 7.4 | 7.4 | 3 Jun 2025 |
| 41 | Shandong Shengyuan Peptide Technology | A | 2 | 7.3 | 6.9 | 7.7 | 21 May 2026 |
| 42 | Shandong Aishi Biotechnology | D | 3 | 7.2 | 5.7 | 9.4 | 23 May 2026 |
| 43 | Shenzhen Loga Tech LG LOGA | B | 2 | 7.2 | 6.7 | 7.6 | 17 May 2026 |
| 44 | Top Peptide | C | 2 | 7.2 | 5.9 | 8.4 | 21 May 2026 |
| 45 | Amino Lair | X | 1 | 6.8 | 6.8 | 6.8 | 3 Jul 2025 |
| 46 | Peptide Sciences | A | 6 | 6.5 | 4.6 | 7.7 | 24 May 2026 |
| 47 | ZZQ Peptides | X | 1 | 6.3 | 6.3 | 6.3 | 13 Jun 2025 |
| 48 | Oupeptide | A | 4 | 6.1 | 4.1 | 7.4 | 19 Jan 2026 |
| 49 | Hangzhou Youngpeptide Biotechnology HYB | X | 1 | 6.0 | 6.0 | 6.0 | 24 Apr 2025 |
| 50 | Astro Peptides | X | 1 | 5.7 | 5.7 | 5.7 | 9 Jun 2025 |
| 51 | Shaanxi Dideu Medichem | X | 1 | 5.6 | 5.6 | 5.6 | 24 Apr 2025 |
| 52 | UWA Elite Peptides | X | 1 | 5.4 | 5.4 | 5.4 | 17 Dec 2024 |
| 53 | Suaway Lab Research | A | 3 | 4.9 | 4.0 | 5.9 | 26 Jan 2026 |
| 54 | Xingtai Lesda Technology | X | 1 | 4.9 | 4.9 | 4.9 | 3 Jun 2025 |
| 55 | Elite Research USA | B | 2 | 4.5 | 1.7 | 7.2 | 21 May 2026 |
| 56 | Prime Peptides | X | 1 | 4.3 | 4.3 | 4.3 | 20 Jun 2025 |
| 57 | Oasis Peptides | X | 1 | 3.6 | 3.6 | 3.6 | 2 Jul 2025 |
| 58 | Liberty Peptides | X | 1 | 3.6 | 3.6 | 3.6 | 7 May 2025 |
| 59 | Modern Aminos | X | 1 | 2.7 | 2.7 | 2.7 | 13 Jun 2025 |
| 60 | PRIVATE | X | 1 | 0.7 | 0.7 | 0.7 | 27 Feb 2025 |
| 61 | Zhuoyue Biotechnology | X | 1 | 0.2 | 0.2 | 0.2 | 6 May 2025 |
| 62 | Wuhan Newtop Biotech | X | 1 | 0.0 | 0.0 | 0.0 | 13 Jun 2025 |