| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | — / 5 | Japan, Japan | — | — | Mesenchymal stem cell therapy | — | MHLW-accepted stem cell plan for erectile dysfunction, up to 2.25 billion autologous mesenchymal cells processed in-house in ISO Class 5 cleanrooms; 17,000+ cases, no serious complications reported. | ISO 9001:2015 Quality management systems |