Located in Shimo-Takaido, Suginami Ward, Tokyo, M Saisei Clinic is an internal medicine clinic specializing in regenerative medicine. The clinic collaborates with the University of Tokyo and the Japanese Society for Regenerative Medicine, producing and storing high-quality stem cells at its on-site research laboratory. In treatment, the clinic provides custom-made long-term health plans and personalized treatments that consider each patient's health issues and are tailored to their lifestyle and goals. The clinic features a comprehensive treatment approach with English consultation services, meeting the needs of patients from diverse backgrounds. The facility offers a completely private space that accommodates one patient at a time, providing careful support based on a spirit of hospitality. Credit cards and electronic payments are accepted, and parking is available. The clinic is closed on Mondays, Tuesdays, Saturdays, Sundays, holidays, January 1st-3rd, and December 31st.