Proviron (Mesterolone)
59
Vendors
164
Samples
6.7
Avg Score
Vendor grade distribution
59 vendors · 2 flagged D–E
30
A
3
B
0
C
1
D
1
E
24
X
| # | Vendor | Rating | Count | Avg | Min | Max | Range 0–10 | Most Recent |
|---|---|---|---|---|---|---|---|---|
| 1 | Homopeptide | A | 6 | 10.0 | 9.9 | 10.0 | 23 May 2026 | |
| 2 | PolyPeptide Group | A | 4 | 10.0 | 9.9 | 10.0 | 14 Jul 2026 | |
| 3 | Thermo Fisher Scientific | A | 4 | 10.0 | 9.9 | 10.0 | 7 Aug 2026 | |
| 4 | Kerui Peptides | A | 3 | 10.0 | 9.9 | 10.0 | 23 May 2026 | |
| 5 | Hubei Jianxiang | A | 3 | 10.0 | 9.9 | 10.0 | 8 Jul 2026 | |
| 6 | Mokemei Biotechnology | A | 3 | 10.0 | 9.9 | 10.0 | 11 Apr 2026 | |
| 7 | SinoPep | A | 3 | 10.0 | 9.9 | 10.0 | 16 Jul 2026 | |
| 8 | Flourishglobal Peptide | A | 2 | 10.0 | 10.0 | 10.0 | 15 Jul 2026 | |
| 9 | GenScript Peptides | A | 2 | 10.0 | 10.0 | 10.0 | 17 Jun 2026 | |
| 10 | Tianjin Finder Chemical TFC | A | 5 | 9.9 | 9.9 | 10.0 | 16 Apr 2026 | |
| 11 | Shanghai ERP Biotechnology | A | 4 | 9.9 | 9.9 | 10.0 | 2 Jun 2026 | |
| 12 | QYAOBIO | A | 4 | 9.9 | 9.9 | 10.0 | 10 Jul 2026 | |
| 13 | JEEP Peptides | A | 4 | 9.9 | 9.9 | 10.0 | 8 Jun 2026 | |
| 14 | Shanghai Wibson Biotechnology | A | 4 | 9.9 | 9.9 | 10.0 | 28 Apr 2026 | |
| 15 | Chinese Peptide Company | A | 4 | 9.9 | 9.9 | 10.0 | 23 Apr 2026 | |
| 16 | Shanghai Sigma Audley | A | 4 | 9.9 | 9.9 | 10.0 | 9 Jul 2026 | |
| 17 | WuXi TIDES | A | 4 | 9.9 | 9.9 | 10.0 | 28 Jun 2026 | |
| 18 | Hybio Pharmaceutical | A | 4 | 9.9 | 9.9 | 10.0 | 7 Aug 2026 | |
| 19 | AmbioPharm | A | 3 | 9.9 | 9.9 | 10.0 | 14 Aug 2026 | |
| 20 | Sangon Bio | A | 2 | 9.9 | 9.9 | 10.0 | 3 Jul 2026 | |
| 21 | Bachem | A | 2 | 9.9 | 9.9 | 9.9 | 6 Mar 2026 | |
| 22 | Sigma-Aldrich | A | 2 | 9.9 | 9.9 | 9.9 | 11 Aug 2026 | |
| 23 | Asymchem | A | 2 | 9.9 | 9.9 | 9.9 | 20 Jul 2026 | |
| 24 | Qingdao Sigma Chemical QSC | A | 4 | 8.9 | 7.6 | 10.0 | 24 May 2026 | |
| 25 | Shanghai Sigma Audley SSA | A | 8 | 8.8 | 8.1 | 10.0 | 24 May 2026 | |
| 26 | Nantong Guangyuan Chemical GYC | A | 7 | 8.6 | 7.7 | 9.1 | 25 May 2026 | |
| 27 | Wuhan Wansheng Bio (WWB) | A | 3 | 8.6 | 7.3 | 9.8 | 24 May 2026 | |
| 28 | Glbiochem (Shanghai) | A | 7 | 8.4 | 7.1 | 9.2 | 24 May 2026 | |
| 29 | ZZQ Peptides | E | 2 | 5.8 | 4.2 | 7.3 | 21 May 2026 | |
| 30 | Top Peptide | X | 1 | 10.0 | 10.0 | 10.0 | 9 Jun 2025 | |
| 31 | Lisa Biopeptide | X | 1 | 10.0 | 10.0 | 10.0 | 2 Jul 2025 | |
| 32 | Aavant Research | X | 1 | 9.5 | 9.5 | 9.5 | 21 May 2025 | |
| 33 | Pura Peptides | X | 1 | 8.7 | 8.7 | 8.7 | 7 May 2025 | |
| 34 | Nexaph | B | 11 | 8.0 | 6.0 | 9.9 | 20 May 2026 | |
| 35 | Shanghai Baoju | X | 1 | 8.0 | 8.0 | 8.0 | 6 May 2025 | |
| 36 | Peptide-S | A | 7 | 7.7 | 6.4 | 9.8 | 24 May 2026 | |
| 37 | Richards Biotech Simply Richards | X | 1 | 7.6 | 7.6 | 7.6 | 7 May 2025 | |
| 38 | Hunan GoodPeptides Biotech Co | X | 1 | 7.5 | 7.5 | 7.5 | 16 Mar 2025 | |
| 39 | Shanghai Wibson Biotechnology WBS | X | 1 | 7.1 | 7.1 | 7.1 | 11 Jun 2025 | |
| 40 | Mix Peptides | D | 2 | 6.9 | 6.8 | 7.0 | 19 Jan 2026 | |
| 41 | Hunan Ruiwang Technology Center | X | 1 | 6.9 | 6.9 | 6.9 | 2 Jul 2025 | |
| 42 | Nanjing Xiyuxun Technology XYX | X | 1 | 6.8 | 6.8 | 6.8 | 14 Jan 2025 | |
| 43 | Kerisite Shenzhen International | X | 1 | 6.7 | 6.7 | 6.7 | 3 Jul 2025 | |
| 44 | Paradigm Peptide | X | 1 | 6.6 | 6.6 | 6.6 | 6 May 2025 | |
| 45 | Shenzhen Jiechuang Trading | X | 1 | 6.4 | 6.4 | 6.4 | 6 May 2025 | |
| 46 | Pure Rawz | X | 1 | 6.3 | 6.3 | 6.3 | 24 Apr 2025 | |
| 47 | Royal Peptides | B | 3 | 6.2 | 4.5 | 9.2 | 19 Jan 2026 | |
| 48 | Henan Sahe Peptide | X | 1 | 6.0 | 6.0 | 6.0 | 17 Dec 2024 | |
| 49 | Prime Peptides | X | 1 | 5.9 | 5.9 | 5.9 | 20 Jun 2025 | |
| 50 | Welon Peptide Solutions | X | 1 | 5.8 | 5.8 | 5.8 | 2 Jul 2025 | |
| 51 | Tianjin Ruiwang New Material Technology Co | A | 5 | 5.7 | 4.7 | 7.2 | 24 May 2026 | |
| 52 | Alpha-Gen | B | 3 | 5.7 | 4.1 | 6.5 | 17 May 2026 | |
| 53 | Modern Aminos | X | 1 | 5.7 | 5.7 | 5.7 | 17 Dec 2024 | |
| 54 | Changan District Sheng Peptide Trading | X | 1 | 5.4 | 5.4 | 5.4 | 8 Jul 2025 | |
| 55 | Qingdao VitaConin International Trading | X | 1 | 4.9 | 4.9 | 4.9 | 3 Jul 2025 | |
| 56 | Coffee and Peppers | X | 1 | 1.1 | 1.1 | 1.1 | 17 Dec 2024 | |
| 57 | Explicit Sarms | X | 1 | 0.9 | 0.9 | 0.9 | 24 Apr 2025 | |
| 58 | SubQ Society | X | 1 | 0.7 | 0.7 | 0.7 | 25 Apr 2025 | |
| 59 | Lejian Biotech Peptide | X | 1 | 0.0 | 0.0 | 0.0 | 11 Jun 2025 |