Welcome
Thank you for considering Lucina Shinjuku Yotsuya Clinic (LSYC) for your healthcare needs. Opened in February 2023, our mission is to make quality healthcare accessible and welcoming for everyone. Whether you’re more comfortable communicating in English or you’re an international resident, we’re here to make your healthcare journey seamless and effective. While we’re currently offering a select range of services, your health is our priority, and we invite you to reach out with any questions. Our team at LSYC is excited to meet you and help you on your path to wellbeing.
Please Note:
・We do not accept Japanese public health insurances.
・Prices are subject to change without notice.
・We accept cash and credit cards (VISA, Master, American Express, Diners, JCB, DISCOVER).
All prices include a 10% consumption tax.
Our Services (On site or online consultation)

Weight Loss Medication:
Our dedicated team specializes in medication therapy for weight loss, providing tailored care and support throughout your journey. Our doctor’s extensive experience with obesity treatments ensures you’re in safe hands.
For further inquiry, please send an email to lucina.inquiry@gmail.com
Price
Ozempic®:
We provide patients with a pen device for easy, self-administered injections once a week. Each 2mg pen device, priced at JPY23,000, lasts approximately 4 weeks. For those on a 0.25mg dose, it can last up to 8 weeks.
Mounjaro:
Injection, a single-dose prefilled pen
Mounjaro 2.5mg for 4weeks 22,000yen
Mounjaro 5.0mg for 4weeks 36,000yen
Mounjaro 7.5mg for 4weeks 48,000yen
Mounjaro 10.0mg for 4weeks 56,000yen
Mounjaro 12.5mg for 4weeks 64,000yen
Mounjaro 15.0mg for 4weeks 72,000yen
Rybelsus®:
3mg (30 tablets): JPY 9,000
7mg (30 tablets): JPY 18,000
14mg (30 tablets): JPY 29,800
Lusefi (SGLT2 inhibitor, luseogliflozin):
The cost of Lusefi is JPY8,500 for 2.5mg (30 tablets).
【For the initial patients】
Please bring the results of your most recent blood test with you if you have any.
【For the patients of the online consultation】
After consultation, we will send you the payment link to your email.
We accept VISA, Mastercard, JCB, American Express, Diners Club and Discover.
After your payment has been confirmed, we will send you the prescribed medication. It will be arrived within a few business days.
Please pay the bill within 15 minutes after the consultation. Delay for payment add extra time to get the medication.
Note:Sending medicines overseas is prohibited by law therefore we do not accept patients who fall under this category
Ozempic (refrigerated delivery)
We will ask your preferred delivery time zone when making a reservation.
But if you are not at home, the deliveryman will leave a notification in a post. Please read it and contact Yamato Transport for re-delivery procedures.
The package will be stored in a refrigerated freezer at the Yamato Transport office for up to 3 days, including the day of absence.
According to the regulations on medical advertising in Japan, supplementary information on GLP-1 formulations (oral agents) and SGLT2 inhibitors is posted below.
[Supplementary Information on GLP-1 Formulations]
Treatment Details: GLP-1 formulations
Treatment Duration and Frequency: 8 weeks (1 bottle of GLP-1 formulation)
Treatment Cost (Private Healthcare): 23,000 yen
Risks and Side Effects Associated with the Treatment: Hypoglycemia, stomach discomfort, constipation, diarrhea, and other gastrointestinal symptoms
Unapproved Medicines (Use for Different Purposes):
GLP-1 formulations are approved by the Ministry of Health, Labour and Welfare as a treatment for type 2 diabetes. Prescriptions for obesity treatment purposes are not approved in Japan.
Acquisition Route, etc.:
We procure domestically approved drugs from domestic pharmaceutical wholesalers.
Availability of Approved Medicinal Products in Japan:
In Japan, a GLP-1 formulation known as “Ugobi” is approved by the Ministry of Health, Labour and Welfare for the indication of “obesity treatment.”
Information on Safety, etc., in Other Countries:
The same active ingredient in injectable form has been approved by the U.S. Food and Drug Administration (FDA) as a treatment for obesity. However, its use for purposes such as beauty, slimming, or dieting is not approved in other countries, so there may be serious risks that have not been identified.
Medicinal Product Adverse Reaction Relief System:
In the unlikely event of serious side effects, you will not be covered by the national medicinal product adverse reaction relief system.
[Supplementary Information on GLP-1 Formulations (Oral Agents)]
Treatment Details: GLP-1 formulations (oral agents)
Treatment Duration and Frequency: Customized to the patient’s needs
Treatment Cost (Private Healthcare): 9,000 yen to 29,800 yen
Risks and Side Effects Associated with the Treatment: Hypoglycemia, stomach discomfort, constipation, diarrhea, and other gastrointestinal symptoms
Unapproved Medicines (Use for Different Purposes):
GLP-1 formulations (oral agents) are approved by the Ministry of Health, Labour and Welfare as a treatment for type 2 diabetes. Prescriptions for the purpose of obesity treatment are not approved in Japan.
Acquisition Route, etc.:
We procure domestically approved drugs from domestic pharmaceutical wholesalers.
Availability of Approved Medicinal Products in Japan:
In Japan, a GLP-1 formulation known as “Ugobi” is approved by the Ministry of Health, Labour and Welfare for the indication of “obesity treatment.”
Information on Safety, etc., in Other Countries:
The same active ingredient in injectable form has been approved by the U.S. Food and Drug Administration (FDA) as a treatment for obesity. However, its use for purposes such as beauty, slimming, or dieting is not approved in other countries, so there may be serious risks that have not been identified.
Medicinal Product Adverse Reaction Relief System:
In the unlikely event of serious side effects, you will not be covered by the national medicinal product adverse reaction relief system.
[Supplementary Information on SGLT2 Inhibitors]
Treatment Details: SGLT2 inhibitors
Treatment Duration and Frequency: Customized to the patient’s needs
Treatment Cost (Private Healthcare): 8,500 yen
Risks and Side Effects Associated with the Treatment: Hypoglycemia, dehydration, urinary tract infections including pyelonephritis, etc.
Unapproved Medicines (Use for Different Purposes):
SGLT2 inhibitors are approved by the Ministry of Health, Labour and Welfare as a treatment for type 2 diabetes. Prescriptions for obesity treatment purposes are not approved in Japan.
Acquisition Route, etc.:
We procure domestically approved drugs from domestic pharmaceutical wholesalers.
Availability of Approved Medicinal Products in Japan:
In Japan, a GLP-1 formulation known as “Ugobi” is approved by the Ministry of Health, Labour and Welfare for the indication of “obesity treatment.”
Information on Safety, etc., in Other Countries:
The same active ingredient in injectable form has been approved by the U.S. Food and Drug Administration (FDA) as a treatment for obesity. However, its use for purposes such as beauty, slimming, or dieting is not approved in other countries, so there may be serious risks that have not been identified.
Medicinal Product Adverse Reaction Relief System:
In the unlikely event of serious side effects, you will not be covered by the national medicinal product adverse reaction relief system.
miraDry® Treatment for Excessive Underarm Sweating and Odor:
With our miraDry® treatment, step into a life free from the worries of excessive underarm sweating and odor.
MiraDry Counseling Guide(PDF)

[Video] How MiraDry Works to Improve Underarm Sweat and Odor
Treatment for Androgenetic Alopecia (AGA and FAGA):
Rediscover your confidence with our effective treatments for male and female pattern baldness.
Price
Oral treatment: JPY14,000
Topical application: JPY14,000
Erectile Dysfunction Treatment (ED):
We provide discreet and effective treatments for ED, helping you regain control and enjoy your personal life.
Price
Each tablet is priced between JPY1,050 and JPY1,600
An additional delivery fee of JPY500 applies.
Anti-Wrinkle Injections (Botox Injection):
Enhance your natural beauty and soften the signs of aging with our expertly administered Botox injections.
Price
Treatment for Crow’s feet: JPY7,500
Forehead treatment: JPY7,500
Treatment for worry lines: JPY7,500
Peel and Go – A quick 30-minute treatment:
Short on time? Refresh and rejuvenate your skin in just 30 minutes with our Peel and Go service.
Price
JPY5,000
Other Injection/Drip Services
Garlic (Vitamin B) Injection
Commonly used in Japan to help you recover from fatigue
Single (contains Vitamin B1, B2): JPY1,500
Double (contains double dose Vitamin B1 and B2, B6, B12): JPY2,500
Whitening Injection
Main Ingredient is Glutathione; Melaninogenesis Inhibitory and Antioxidant Properties
Single (contains Glutathione 600mg): JPY5,000
Double (contains Glutathione 1,200mg): JPY9,000
Vitamin C Injection
Beautifying and Whitening the Skin: JPY5,000
Placenta Injection
Fatigue, Autonomic Disturbances and Menopausal Symptoms
1 ampule: JPY900
2 ampules: JPY1,500
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Meet Our Team
Dr. Yosuke Seki, MD, PhD:
Dr. Yosuke Seki is a leading consultant bariatric surgeon and obesity treatment expert based in Tokyo, renowned for his extensive knowledge and hands-on experience in weight loss, metabolic surgery, and pharmaceutical interventions.
Graduating from Osaka University and training in overseas clinical fellowships, Dr. Seki has established himself as a proficient practitioner and researcher, handling more than 2000 laparoscopic/endoscopic bariatric procedures and 600 laparoscopic anti-reflux procedures with his team.
His distinctive clinical and research interests lie in the impacts of gastrointestinal surgery on type 2 diabetes, particularly for Asians, and the surgical treatment of gastroesophageal/laryngopharyngeal reflux disease. Alongside clinical practice, Dr. Seki is dedicated to expanding the field’s knowledge, contributing over 180 original research papers, reviews, and textbooks in both English and Japanese.
Having sharpened his expertise and communication skills in Australia and the United States, Dr. Seki ensures a patient-friendly environment that caters to international patients at the Weight Loss and Metabolic Surgery Center. In addition to his surgical work, Dr. Seki takes a special interest in pharmaceutical treatments for obesity, such as GLP-1 agents, and microwave therapy for axillary hyperhidrosis and bromhidrosis.
With numerous accolades to his name, including the 1st prize at the laparoscopic suturing technique competition during the JSES annual meeting in 2005, Dr. Seki’s expertise is recognized by his peers. He serves as a scientific committee member of JSES and the chair of the library committee of IFSO-APC, further exemplifying his commitment to advancing the field of obesity and metabolic disorders.
Welcoming patients at his clinic, Dr. Yosuke Seki combines his medical acumen with a compassionate approach to deliver treatments tailored to each individual’s needs, always pushing the boundaries of what’s possible in the field of obesity treatment.
Tomoko Seki, MA:
Tomoko Seki graduated from Kobe University and has Master’s degree in Psychology.
She has experience living in the United States in her junior high school. At public health institute, she worked as a researcher, counselor and interpreter.
At LSYC, she is in charge of counseling and administrative things.
Reception Hours
We offer services in English on Wednesday (14:00-21:00) and Saturdays (14:00-19:00) only.
To ensure personalized care, we recommend making an appointment.
Email: lucina.inquiry@gmail.com
Phone: 03-6457-8212
Address: Yotsuya Saneicho Square 1F, 9-6 Yotsuya-Saneicho, Shinjuku-ku, Tokyo, 160-0008
8-minute walk from Yotsuya Station
8-minute walk from Akebonobashi Station
4-minute walk from Yotsuya Sanchome Station
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