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Mounjaro in Japan | English Phone Consultation & Treatment Information

GIP/GLP-1 Receptor Agonist | Mounjaro Injection

Mounjaro Online Consultation

Weekly injection for appetite management. GIP / GLP-1 · Weight-loss use is off-label.

English phone consultation · 2.5 mg · 1 pen

Total: ¥8,000 (tax included)

Medicine ¥6,000 + handling ¥2,000 + consultation ¥0 with purchase + standard delivery ¥0 under the current shipping offer.

Refrigerated delivery within Japan. Prescription follows a medical assessment.

All doses, prices & fee conditions

Once-weekly self-injection to support weight management

Free Refrigerated Shipping Consultation fee conditions apply Shipping: see fee conditions Available via Online Consultation Home Delivery (after consultation) In Stock
  • Nationwide delivery, fully online flow (consultation → payment → shipping)
  • Once-weekly self-injection (2.5 → 5 → 7.5 → 10 → 12.5 → 15 mg)
  • Only genuine products via authorized distributors

For this self-pay weight-management service, the consultation fee and standard shipping fee are 0 JPY. A 2,000 JPY handling fee applies when ordering only one Mounjaro or Zepbound pen; it is waived when another medicine is included in the same order. Medicine costs are separate. If you choose not to purchase or decline the prescription after completing the consultation, a 3,000 JPY consultation fee applies. No consultation fee is charged if a medical assessment of the questionnaire means the consultation is not performed. See the relevant medicine page for current prices.

Book your consultation in English

  1. Use the WEB booking page to choose an available appointment. Make a separate reservation for each patient.
  2. For a first appointment, attach an image of your identification document, such as a passport, and complete the online medical questionnaire as instructed.
  3. Register a reachable phone number and let us know that you would like the consultation in English.
  4. The doctor assesses whether treatment or a prescription is appropriate. Payment follows the consultation.

The clinic calls the phone number you register. Consultations are available in English and Japanese. If you are visiting from overseas and cannot receive calls from a Japanese phone number, contact us in advance to arrange a LINE call as an alternative.

Contact official LINE if you need help completing the booking form. Use WEB booking for a medical appointment. Use official LINE for questions before a weight-management appointment or help with the booking process. A LINE message alone does not book a consultation.

[Doctor’s Overview] What is the GLP-1 injection “Mounjaro”?

Mounjaro injection pen (Tirzepatide)

Mounjaro (tirzepatide) is a dual agonist acting on both GLP-1 and GIP receptors. It supports appetite control and post-meal glucose regulation, enabling sustainable weight management with a once-weekly injection. Mounjaro is approved for type 2 diabetes in Japan; weight-management use is off-label. The same ingredient is marketed as Zepbound for obesity under specific approved conditions in Japan.

Dual Pathways

Engages GLP-1/GIP to naturally reduce intake and blunt glucose spikes.

Stepwise Titration

The Japanese diabetes label starts at 2.5 mg weekly for 4 weeks, then 5 mg. If needed, the physician may increase by 2.5 mg at intervals of at least 4 weeks, up to 15 mg. Weight-management use is off-label.

Fully Online

Consultation & standard shipping are free. Refrigerated shipping free during campaign.

How Mounjaro (GLP-1/GIP) works

This medicine enhances your body’s natural regulation of eating. It aims for gentle, sustainable change—without extreme willpower.

1) Brain: Natural appetite control
  • Strengthens the “I’m full” signal
  • Reduces hedonic snacking urges
  • Helps adjust portion sizes naturally
2) Stomach: Longer satiety
  • Slows gastric emptying
  • Fullness lasts longer after meals
  • Helps curb “constant hunger”
3) Glycemic stability
  • Blunts post-meal glucose spikes
  • Supports insulin response “when needed”
  • Hypoglycemia can occur, especially with insulin or certain diabetes medicines
4) Metabolic improvements
  • Shifts toward greater fat utilization
  • Improves muscular energy use
  • May reduce low-grade inflammation
5) Cardiometabolic support
  • May modestly lower blood pressure
  • Vascular benefits cannot be assumed for every patient
  • Cardiac outcomes depend on the condition and trial population
6) Other potential benefits
  • Effects on edema are not established for this treatment
  • Potential bone and cognitive benefits are being studied
  • Overall support for healthy routines
Key points
  • It assists your own physiology—no “magic bullet”
  • Benefits may build over weeks to months
  • Balanced diet + gentle activity improve outcomes

Weight-loss effectiveness

In SURMOUNT-1, adults with obesity or overweight and a weight-related complication, without diabetes, received lifestyle support. At 72 weeks, mean weight loss was 20.9% with tirzepatide 15 mg versus 3.1% with placebo. These are trial averages, not a prediction for an individual or a starting dose.

20.9%
Mean loss · 15 mg group
3.1%
Mean loss · placebo group
72 weeks
Typical study duration
2,500+
Participants
Design for sustainability

Targets appetite, satiety, and glycemia—favoring steady change over harsh restriction.

Individualized titration

Response varies with dose and habits. If nausea occurs, physicians can pause/escalate more gradually.

Works best with habits

Regular meals, adequate protein, and light activity further improve composition and metabolic markers.

Reference: Jastreboff AM, et al. N Engl J Med. 2022;387(3):205–216.

Results are population averages; individual responses vary.

Process to online prescription

Book a phone consultation and check available appointments online. Delivery is available within Japan.

1
Online booking
Book online. For a first appointment, attach an image of your identification document and complete the medical questionnaire as instructed.
~3 min
2
Teleconsult (phone)
The doctor calls your registered number. English and Japanese are supported. Treatment and prescription are assessed individually.
~2–5 min
3
Payment & delivery
Injections are sent by refrigerated Yamato delivery within Japan. Dispatch is normally within 2–3 business days after payment, or up to 7 business days when busy; this is a dispatch estimate, not a guaranteed arrival date.
Ships in ~2–3 business days

How to use (follow your doctor’s instructions)

1Schedule

Self-inject once per week on the same weekday. Typically start at 2.5 mg.

2Prepare

Clean the site (abdomen, thigh, or upper arm). Rotate sites each time.

3Inject

Press the pen vertically and inject as instructed. Keep it pressed for a few seconds after the signal.

4Monitor

Watch for nausea, vomiting, diarrhea/constipation, or abdominal pain. If severe symptoms occur, stop and seek care.

Medical information checked: 12 October 2026. Japanese prescribing information (PMDA). Follow the prescription and instructions for your exact product.

Pricing

Your total = medicine price + applicable handling fee. Prices include tax. Consultation with a medicine purchase is ¥0. Standard refrigerated shipping is currently ¥0 (the usual cool-courier charge is ¥2,000).

When ordering only one Mounjaro pen, add ¥2,000 handling. This fee is waived if another medicine is included in the same order; that medicine is charged separately. Orders of 2 or more pens have no single-pen handling fee.

Completed consultation without a purchase / prescription declined: ¥3,000 consultation fee. If questionnaire assessment results in no consultation being performed: ¥0 consultation fee.

Consultation & standard shipping: 0 JPY (+2,000 JPY handling if purchasing only 1 pen / Free refrigerated shipping)
Single pen (same dose) Medicine price per pen (tax included)
2.5 mg:
6,000 JPY / pen(tax incl.)Total: ¥8,000 for 1 pen alone (includes ¥2,000 handling)
5.0 mg:
9,500 JPY / pen(tax incl.)Total: ¥11,500 for 1 pen alone (includes ¥2,000 handling)
7.5 mg:
12,000 JPY / pen(tax incl.)Total: ¥14,000 for 1 pen alone (includes ¥2,000 handling)
10 mg:
15,000 JPY / pen(tax incl.)Total: ¥17,000 for 1 pen alone (includes ¥2,000 handling)
12.5 mg:
19,000 JPY / pen(tax incl.)Total: ¥21,000 for 1 pen alone (includes ¥2,000 handling)
15 mg:
23,000 JPY / pen(tax incl.)Total: ¥25,000 for 1 pen alone (includes ¥2,000 handling)
4-pen set (approx. 1 month) Total + per-pen
2.5 mg:
24,000 JPY (4 pens)(tax incl.)6,000 JPY / penTotal: ¥24,000 including consultation with purchase & standard shipping
5.0 mg:
38,000 JPY (4 pens)(tax incl.)9,500 JPY / penTotal: ¥38,000 including consultation with purchase & standard shipping
7.5 mg:
48,000 JPY (4 pens)(tax incl.)12,000 JPY / penTotal: ¥48,000 including consultation with purchase & standard shipping
10 mg:
60,000 JPY (4 pens)(tax incl.)15,000 JPY / penTotal: ¥60,000 including consultation with purchase & standard shipping
12.5 mg:
76,000 JPY (4 pens)(tax incl.)19,000 JPY / penTotal: ¥76,000 including consultation with purchase & standard shipping
15 mg:
92,000 JPY (4 pens)(tax incl.)23,000 JPY / penTotal: ¥92,000 including consultation with purchase & standard shipping

Weight-loss Simulator

Visualize your path to a target weight, factoring Mounjaro use and lifestyle improvements (for reference only).

Mounjaro Weight-loss Simulator

Estimate your journey in about 3 minutes

yrs
cm
kg
BMI: 27.3 (Overweight class I)
kg
–
Total projected loss
⚖️
–
Loss rate
–
Avg. per month
–
Target achievability

Projected timeline

⚠️ Important: This simulator uses generalized data from overseas clinical trials. Actual results vary by physiology, co-medications, and habits. Please consult your physician for a personalized plan.

Liked the result? Let’s tailor a plan with a physician.

Book Online Ask on LINE

Combination therapy (when appropriate)

Your physician may suggest add-ons based on your profile. Examples that can be synergistic:

Lusefi
Lusefi (SGLT2 inhibitor)

Aim: Increase urinary glucose excretion to lower net calories.
Best for: Frequent snacks / limited time to exercise.

Learn more
Sanorex
Sanorex (appetite suppressant)

Aim: Temper appetite impulses.
Best for: Evening overeating / compulsive snacking.

Learn more
Metformin
Metformin (biguanide)

Aim: Reduce hepatic gluconeogenesis and improve insulin resistance.
Best for: Higher fasting glucose / weight-neutral preference.

Learn more
Bofutsushosan
Bofutsushosan (Kampo)

Aim: Support bowel movements and fluid balance—useful for subcutaneous-fat type edema/constipation.
Best for: Constipation / edema / diet reset.

Learn more

FAQ

Can I get Mounjaro via online consultation?
Yes. We prescribe Mounjaro for weight management as private care (not covered by insurance), and also have experience for type 2 diabetes.

Notes:
• Under 18: parental consent is required.
• Existing conditions: please inform us during the teleconsultation.
How much does it cost? Is it covered by insurance?
Weight-management use is private care. Consultation & standard shipping are free. Prices (incl. tax):

• 2.5 mg: 6,000 JPY per pen (24,000 JPY / 4 pens)
• 5.0 mg: 9,500 JPY per pen (38,000 JPY / 4 pens)
• 7.5 mg: 12,000 JPY per pen (48,000 JPY / 4 pens)
• 10 mg: 15,000 JPY per pen (60,000 JPY / 4 pens)
• 12.5 mg: 19,000 JPY per pen (76,000 JPY / 4 pens)
• 15 mg: 23,000 JPY per pen (92,000 JPY / 4 pens)

A ¥2,000 handling fee applies to one pen alone; it is waived when another medicine is included in the same order. A completed consultation without a medicine purchase costs ¥3,000. No consultation fee is charged if questionnaire review results in no consultation. Refrigerated shipping is currently free. Payments: credit card (VISA/Mastercard/JCB/AMEX) or bank transfer.
When will it arrive?
Typically ships within 2–3 business days after consultation and payment.
When might I feel an effect?
Many people notice appetite changes within 2–4 weeks. Dose adjustments can be arranged online as needed.
Any diet or exercise precautions while on Mounjaro?
No strict restrictions. Pairing with balanced meals (higher protein, lower excessive fat) and light activity is recommended.
What if I experience side effects?
Contact us anytime. Common effects include nausea, constipation/diarrhea, and abdominal discomfort—often temporary. For severe symptoms, stop and seek care. Our LINE is available 24/7 for questions.
Will I regain weight after stopping?
Abrupt discontinuation may increase rebound risk. We offer follow-up to help maintain progress.
Can I self-inject if I’m needle-averse?
The pen device is designed for easy self-injection. We provide instructions and how-to videos.
Can I take it with other medicines or supplements?
Some combinations require caution. Please disclose all current meds/supplements and consult us before starting new ones.
Is an online prescription safe?
Yes—after physician review, products are dispensed via authorized channels. This is different from personal import or marketplace purchases.
How should I store it?
Refrigerate (2–8°C) as standard. For transport, room temperature is acceptable up to 21 days. Do not freeze.
Where can I find the expiration date?
On the injector body. We also verify before shipping.
Can I inject immediately after taking it out of the fridge?
Yes, no specific waiting time is required.
Can I purchase it like online shopping?
Yes, after completing an online consultation. We deliver to your home—no clinic visit needed.
Where can I ask questions?
You can message us anytime via our official LINE. We’re here for weight changes, co-meds, new concerns, and more.
Do I need a Japanese address or residence card?
No. Hotel, Airbnb, or short-term rental addresses are accepted. Please provide check-in date, hotel/room name, and phone number when ordering. A Japanese residence card is not required.
Can I use a foreign credit card?
Yes. We accept VISA, Mastercard, JCB, and American Express from any country. Notify your bank in advance if international purchases are blocked. Bank transfer is also available for larger orders.
Can you ship to my hotel or Airbnb?
Yes. Please share your check-in date, hotel/accommodation name, and room number in advance. We time the cold-chain delivery to arrive during your stay. Front desk signature required for refrigerated items.
Can I consult before arriving in Japan?
Phone consultation before arrival in Japan is available. We recommend completing consultation and payment at least 7 days before your desired delivery date. Confirm in advance that your accommodation can receive and refrigerate the delivery. Short-notice arrangements require individual confirmation.
I do not have a Japanese phone number. How can I have the consultation?
We can conduct the consultation via LINE call, international phone, or your hotel phone. Please let us know your preferred method when booking.
Can my family or friend in Japan receive the delivery on my behalf?
Yes. You can specify any Japan address as the delivery destination, including a family member home, a friend home, or a workplace. Please provide the delivery address and the recipient name when ordering.
Can I get an English Doctor Letter for customs?
A printed medical receipt is included with your medicine free of charge. Acceptance depends on the authority requesting the document; neither a receipt nor a formal letter guarantees entry or medicine-import permission. A formal English letter (with doctor name and prescription details) is available at ¥5,000. Please request when booking or during consultation.

About the medicine used at our clinic (Mounjaro)

Off-label use

In Japan, Mounjaro is approved for type 2 diabetes. Its use for weight management is off-label; Zepbound is a separate tirzepatide product with an obesity indication under specific conditions.

Supply chain

We procure via authorized pharmaceutical distributors and manage products appropriately.

Similar approved agents in Japan

Examples include Sanorex (anorectic) and Wegovy (semaglutide). Tirzepatide (Zepbound) received domestic obesity approval in Dec 2024.

Overseas approvals & safety

Tirzepatide is approved for obesity in the US (FDA) and in Japan (Dec 27, 2024). Possible adverse events include acute pancreatitis, hypoglycemia, nausea, vomiting, abdominal pain, diarrhea, and constipation. Seek medical help if you feel unwell.

Relief systems

Because weight-management use is private/off-label, Japan’s governmental adverse-event relief schemes do not apply.