Who it's for
MEDICAL DIET
Science-backed support for a body that loses weight naturally
Mounjaro (generic name: tirzepatide) is the world's first injectable that acts on both GIP and GLP-1 hormones simultaneously. The same active ingredient is also marketed as Zepbound — FDA-approved for obesity in the U.S. (2023) and approved in Japan in December 2024.
Start anytime, anywhere
with online care
available 24/7
Chat with a Japanese-licensed physician on LINE — from anywhere, any time.
3 easy steps
Book your consultation on LINE
Book any time, 24/7
Online consultation
~5 min on your phone · ¥0 consult fee
Delivered to your door
Same-day shipping · arrives in 1–2 days
Consultations completed
Experienced physicians build
a plan tailored to you.
Consultations & follow-ups
are always ¥0
Reach out any time.
Follow-up consultations are always free.
Patient satisfaction
Message us on LINE any time —
first-timers feel at ease.
Real patient results
*Individual results vary.
Woman, 30s / 76 kg → 67.8 kg
Woman, 40s / 82 kg → 69.5 kg
Woman, 20s / 65 kg → 58.2 kg
*Treatment outcomes vary between individuals. Photos are published with patient consent.
*Some cases
combine medication with diet and exercise coaching.
A doctor will propose the plan that fits you.
Don't like needles? No problem.
Virtually painless. Just press a button, once a week.
Pricing
A full menu, tailored to you.
Mounjaro (Tirzepatide)
GIP/GLP-1 injection · ★ Most popular · Zepbound's active ingredient
| 2.5 mg (4 pens/mo) |
Monthly | 3-month plan | 6-month plan |
|---|---|---|---|
| Campaign price |
¥19,800/mo
First order total ¥19,800
From 2nd order
Total ¥33,000 |
¥19,250/mo
First order total ¥57,750
From 2nd order
Total ¥94,050 |
¥18,700/mo
First order total ¥112,200
From 2nd order
Total ¥178,200 |
*All prices include tax.
*A ¥550 shipping fee (tax incl.) applies separately.
*Reflects
the first-time-buyer campaign price.
Other injectable treatments
*Prescription subject to physician review.
*A ¥550 shipping fee (tax incl.) applies separately.
Not sure which plan? Message us anyway.
Other prescriptions
Oral medications
Diet Kampo (Japanese herbal medicine)
*Prescription subject to physician review.
Demand has been exceptionally strong.
If you're interested, please reach out soon.
Our medical advisor
Dr. Yutaka Shionoiri, M.D.
Board Chairman, Shionoiri Internal Medicine (Medical Corporation)
Career history
1995 — Graduated, Kitasato University School of Medicine
1996 — Resident, The University of Tokyo Hospital
1997 — Internal Medicine Resident, Kanto Central Hospital
1998 — Internal Medicine, Tokyo Metropolitan Geriatric Hospital (now Tokyo Metropolitan Geriatric
Medical Center)
1998 — Department of Geriatric Medicine, Graduate School of Medicine, The University of Tokyo
2000 — Department of Reproduction, Development and Aging, Graduate School of Medicine, The
University of Tokyo
2000 — RIKEN Brain Science Institute (Wako City)
2001 — Department of Geriatric Medicine, The University of Tokyo Hospital
2007 — Yokohama Sakae Kyosai Hospital
2020 — Shionoiri Internal Medicine
2022 — Shionoiri Internal Medicine (Medical Corporation)
2023 — Director, Shionoiri Internal Medicine (Medical Corporation)
2024 — Board Chairman, Shionoiri Internal Medicine (Medical Corporation)
Clinical focus
General internal medicine, geriatrics, anti-aging medicine, arteriosclerotic diseases, metabolic and endocrine disorders, hypertension, kidney disease, allergic disorders, infectious diseases, respiratory conditions, and more.
Frequently asked questions
This is where your
weight-loss journey changes.
Start with a free consultation.
A doctor will propose a plan tailored to you.
About the use of unapproved medications
The medications below are all approved by Japan's Ministry of Health, Labour and Welfare (MHLW) for type 2 diabetes. However, their use for obesity treatment is not approved in Japan.
Mounjaro (tirzepatide) — GIP/GLP-1 receptor agonist injection
Ozempic (semaglutide) — GLP-1 receptor agonist injection
Rybelsus (semaglutide) — Oral GLP-1 receptor agonist
Forxiga (dapagliflozin) — SGLT2 inhibitor
Canaglu (canagliflozin) — SGLT2 inhibitor
Metformin — Biguanide class glucose-lowering drug
Kampo (Bofu-tsusho-san / Boi-ogi-to)
Unapproved medications are obtained through personal importation by partner-clinic physicians, in accordance with MHLW's official procedure. For details, please refer to the MHLW website.
*Based on publicly available information as of March 2025.
Online Clinic