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Mounjaro® is a dual-agonist GIP/GLP-1 medication. It increases insulin production, which lowers blood sugar levels. It also slows digestion and reduces appetite, which can help you feel full longer, eat less, and lose weight. It's taken by injection under the skin once weekly.
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About Mounjaro®
How does it work?
Mounjaro works by helping the pancreas produce more insulin, which can lower blood sugar levels and help keep them steady. It also slows the rate by which food leaves the stomach and alters the brain’s hunger signals, so you feel fuller faster and less hungry overall. Altogether, these help patients reduce their caloric intake and achieve their weight loss results.
What does it treat?
Mounjaro is a GIP/GLP-1 receptor agonist approved to treat high BMI (overweight or obesity) in people with a BMI of or above 27.
What forms does it come in?
Mounjaro comes as an injectable liquid medication contained in a disposable pen pre-filled with a specific dosage. It is usually taken one time per week. Most patients start Mounjaro treatment on a low dose to avoid common side effects (like nausea, vomiting and diarrhea). Then, their provider will increase the dosage as their body adjusts to the medication.
Mounjaro® vs. Tirzepatide
Tirzepatide is the active ingredient in Mounjaro—it's what makes the medication work. Mounjaro is the brand name of the medication.
Get It to Shed It

Consultation
Consult with an online weight loss doctor via chat or video to determine if prescription medication can help you shed extra pounds.

Medication
If approved, get prescription weight loss medication delivered to your door via express shipping—plus everything you need to take it at home safely.

Support
Check in with a licensed provider or Dr. B team member any time you have questions or concerns about your treatment progress.

Power
Use Dr. B’s science-backed exercise, nutrition and mental health tools to shed the habits that have been holding you back from your best self.
Prescription weight loss medications
†Insurance coverage may be available for patients with a BMI over 30, or over 27 with a qualifying health condition.
$145/mo + medication
The combined fee covers all your essentials. Understand how the price can change.
Monthly consultations with a licensed provider
Unlimited support check-ins with the Dr. B team
Weight loss medication delivered via express shipping
Injection materials (needles, alcohol swabs, etc.)
Blood work at Quest Diagnostics, as required
Science-backed support tools to pump up your progress
Common Questions
Mounjaro prescription FAQ
What are the benefits of taking Mounjaro?
- Lowers and controls blood sugar levels
- Reduces overall appetite and hunger
- Promotes fullness
- Slows digestion (gastric emptying)
- With exercise and improved nutrition, encourages weight loss
- Helps to manage AIC levels for those with type 2 diabetes
- Supplied in a convenient, pre-filled weekly dose
- Helps reduce the risk of heart attack and stroke
- Lowers the risk of kidney disease
- Can help lower high cholesterol and blood pressure levels
Who should not use this medication?
- Patients who are allergic to Mounjaro or Tirzepatide
- Patients with type 1 diabetes
- Patients with a family/personal history of thyroid cancer or thyroid problems
- Patients with a history of severe gastrointestinal disease
- Patients with multiple endocrine neoplasia syndrome type 2 (MEN 2)
- Patients with disease of the pancreas (pancreatitis)
- Patients with kidney disease
- Anyone who is pregnant or planning to become pregnant
- Anyone who is breastfeeding
Speak with your medical provider before starting Mounjaro if you have any of the above health conditions or have any other treatment concerns.
How do you use this medication?
Mounjaro is injected 1 time per week into the fatty tissue under the skin—usually into your abdomen, upper thigh or upper arm. Rotating injection sites can help reduce the risk of skin injury. For the safest and most comfortable results, always follow your medical provider’s instructions carefully.
How should you safely store this medication?
- Store your Mounjaro pens in their original packaging, away from light
- Store in the refrigerator (36°-46°F) (2°C-8°C)
- Do not freeze
- While using, keep at room temperature (up to 86°F), away from direct heat and light
- Keep it out of reach of children and pets
- If the date on the medication package has expired, do not use it
It’s best practice to store Mounjaro pens in the fridge—refrigeration helps the medication remain stable. If you go on vacation or don’t have access to a refrigerator, you can store Mounjaro pens away from light and heat at room temperature (up to 86°F) for up to 21 days. Do not put pens that have been stored at room temperature back into the refrigerator. Throw away unused room-temperature pens after 21 days.
Storage instructions vary for different brands and medication formulations. Carefully read the instructions that come with your medication before storing. If you have any questions, ask your pharmacist or provider.
What happens if I miss a dose?
If you forget to take your Mounjaro injection and it’s within 4 days (96 hours) of your missed dose, take it as soon as possible. If you’re within 3 days (72 hours) of your next dose, skip that dose and wait until your next scheduled day. At that time, don’t inject an extra dose of medication, as this can increase side effect risk and interrupt your treatment schedule.
If you miss two or more doses in a row, contact your medical provider. They may have you restart your dosing level or treatment schedule.
What happens if I take too much?
Taking too much Mounjaro can cause low blood sugar—which can cause symptoms including shakiness, sweating and confusion. Severe cases can cause fainting or seizures.
If you think you may have accidentally taken too much Mounjaro, call your provider immediately. You can also contact your local poison control center (800-222-1222).
Can I get Mounjaro online?
Dr. B offers Mounjaro online through Shed It, our holistic prescription weight loss program. Take a convenient online consultation. We’ll connect you with a licensed medical provider to discuss treatment options and answer your questions. If you qualify for treatment, they’ll send a prescription to your chosen pharmacy and Dr. B will provide all the support tools you need!
Side Effects

Some people experience mild side effects while using Mounjaro, especially when they first start taking treatment or increase their dosage. These often improve when your body has had time to adjust to the medication. That’s why most medical providers start patients on a low dosage of Mounjaro and increase the dose gradually over a few months.
Common mild Mounjaro side effects include:
- Stomach pain
- Constipation
- Diarrhea
- Nausea
- Vomiting
- Heartburn/acid reflux
- Headache
- Burping, gas or bloating
- Tiredness
Get medical help from your provider or emergency care right away if you notice any severe side effects. These include:
- Thyroid problems: a bump or mass in your neck, difficulty breathing or swallowing, hoarseness while speaking
- Stomach pain, vomiting or diarrhea that won’t stop
- A change in urination, like blood in your urine or making more or less urine than you usually do
- Swollen feet or ankles
- Muscle cramping
- Low blood sugar, which can appear as shaking, sweating, dizziness, confusion or blurred vision
- Pain in the upper part of your stomach and a fever, yellowing in the white part of your eyes or changes in the color of your feces
- Serious allergic reactions, like hives, itching/swelling in the throat/fact or trouble breathing