Tirzepatide Dosage 2026: Complete Dosing Chart, Schedule & Titration Guide
Complete guide to tirzepatide dosage. Zepbound 2.5-15 mg, Mounjaro dosing, titration schedule, injection instructions, missed dose guide, costs from $147/mo.
Lose 15-22% body weight with doctor-backed GLP-1s
Compounded semaglutide & tirzepatide from $147/mo. Free online consultation with a US-licensed provider. If approved, medication ships to your door in 3-5 days. No insurance needed.
See if I qualify — Free consultationAvailable online · Shipped to your door anywhere in the US
Paid partnership · Prescription product requiring a physician consultation · Not everyone qualifies · Results vary
Tirzepatide dosage for weight loss: Complete guide
Tirzepatide dosage follows a gradual titration schedule to minimize side effects and maximize weight loss. For weight loss (Zepbound), the dose starts at 2.5 mg weekly and increases every 4 weeks up to the 15 mg maintenance dose. This guide covers the complete dosing schedule, injection instructions, titration timeline, and everything you need to know about taking tirzepatide correctly.
Get tirzepatide prescribed online from $147/month
US-licensed providers. Dosing support included. No insurance needed.
Check my eligibilityAvailable online. Shipped directly to your door anywhere in the US.
Zepbound dosing schedule (for weight loss)
| Week | Dose | Purpose | Expected Weight Loss |
|---|---|---|---|
| Weeks 1-4 | 2.5 mg | Initiation | 2-4 lbs |
| Weeks 5-8 | 5 mg | Escalation | 2-4% body weight |
| Weeks 9-12 | 7.5 mg | Therapeutic dose | 4-8% body weight |
| Weeks 13-16 | 10 mg | Continued escalation | 8-12% body weight |
| Weeks 17-20 | 12.5 mg | Near-maximum dose | 12-18% body weight |
| Week 21+ | 15 mg | Full maintenance dose | 15-22.5% body weight |
Get tirzepatide with dosing support from $147/month
US-licensed providers. Message anytime about dosing. No insurance needed.
Check my eligibilityAvailable online. Shipped directly to your door anywhere in the US.
Mounjaro dosing schedule (for diabetes)
Mounjaro uses the same tirzepatide dosing schedule as Zepbound. The dose starts at 2.5 mg and increases every 4 weeks up to 15 mg. The difference is the FDA-approved indication: Mounjaro is approved for type 2 diabetes, Zepbound is approved for weight loss.
How to inject tirzepatide
- Choose your injection site — Abdomen (at least 2 inches from navel), thigh, or upper arm
- Rotate sites — Use a different site each week to prevent skin irritation
- Clean the site — Wipe with an alcohol swab and let dry
- Inject — For pre-filled pens (Zepbound, Mounjaro): place pen against skin, press button, hold for 5-10 seconds. For compounded: use a small insulin syringe
- Dispose safely — Place used needles in a sharps container
See our GLP-1 injections guide and injection sites guide.
What to do if you miss a dose
- Less than 4 days late: Take it as soon as you remember, then continue your regular schedule
- More than 4 days late: Skip the missed dose and take your next dose on the regular schedule
- Never take two doses at once — This increases the risk of severe side effects
- If you miss more than 2 weeks, contact your provider — you may need to restart at a lower dose
Tirzepatide storage
- Before first use: Store in refrigerator (36-46°F / 2-8°C)
- After first use: Can be stored at room temperature (59-86°F) for up to 21 days, or refrigerated
- Compounded tirzepatide: Follow your pharmacy's specific storage instructions — typically refrigerated
- Do not freeze — Discard if frozen
- Protect from light — Keep in original packaging
Why gradual titration matters
- Minimizes side effects — Nausea and GI issues are much worse at higher doses without gradual adjustment
- Maximizes weight loss — Reaching the full 15 mg dose is essential for maximum 22.5% weight loss
- Improves adherence — Gradual increase helps patients stay on treatment
Tirzepatide vs semaglutide dosing comparison
| Feature | Tirzepatide | Semaglutide |
|---|---|---|
| Starting dose | 2.5 mg | 0.25 mg |
| Max dose | 15 mg | 2.4 mg |
| Titration time | 20-24 weeks | 16-20 weeks |
| Frequency | Weekly | Weekly |
| Weight loss at max dose | 22.5% | 15% |
See our GLP-1 dosage guide and semaglutide dosage guide.
Get tirzepatide from $147/month
Full dosing support. US-licensed providers. No insurance needed.
Check my eligibilityAvailable online. Shipped directly to your door anywhere in the US.
FAQ
What is the standard tirzepatide dosage for weight loss?
Zepbound: starts at 2.5 mg weekly, increases every 4 weeks to 5, 7.5, 10, 12.5, and 15 mg maintenance dose. Full titration takes 20-24 weeks.
What is the maximum tirzepatide dose?
15 mg weekly for both Zepbound (weight loss) and Mounjaro (diabetes). Produces ~22.5% average weight loss over 72 weeks.
How often do you take tirzepatide?
Once weekly as a subcutaneous injection. Same day each week. Any time of day, with or without food.
How long does it take to reach the full dose?
20-24 weeks for Zepbound (2.5 → 5 → 7.5 → 10 → 12.5 → 15 mg). Dose increases every 4 weeks to minimize side effects.
What happens if I miss a dose?
Less than 4 days late: take ASAP. More than 4 days: skip and resume schedule. Never take two doses at once. If you miss 2+ weeks, contact your provider.
How do you inject tirzepatide?
Subcutaneous injection in abdomen, thigh, or upper arm. Pre-filled pen or small syringe. Rotate sites weekly. Virtually painless.
Can I increase my dose faster?
No. Faster titration increases risk of severe side effects. Always follow your provider's schedule. If side effects are severe, your provider may slow titration.
What is the difference between Zepbound and Mounjaro dosing?
Same dosing schedule (2.5-15 mg weekly). Both are tirzepatide. Difference is FDA-approved indication: Zepbound for weight loss, Mounjaro for diabetes.
Related articles
- Tirzepatide Weight Loss
- Zepbound Weight Loss
- Mounjaro Weight Loss
- GLP-1 Dosage Guide
- Semaglutide Dosage Guide
- GLP-1 Injections Guide
- Tirzepatide Cost Guide
- Semaglutide vs Tirzepatide
Medical disclaimer: This content is for informational purposes only and is not medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider before starting any medication or weight-loss program.
Affiliate disclosure: This article contains affiliate links. We may earn a commission if you sign up through them, at no extra cost to you. This is a paid partnership. GLP-1 medications are prescription products requiring a physician consultation — not everyone qualifies, and results vary.
Lose 15-22% body weight — GLP-1s from $147/month
Compounded semaglutide & tirzepatide prescribed online by US-licensed providers. No insurance needed — medication shipped to your door in 3-5 days.
See if I qualify — Free consultationFrom $147/month · No insurance needed · Ships nationwide in 3-5 days · Paid partnership · Results vary
Doctor-backed GLP-1 weight loss from $147/month
Compounded semaglutide & tirzepatide. Online consultation with a US-licensed provider. No insurance needed.
Paid partnership · Prescription product · Not everyone qualifies · Results vary
Real patients. Real results.
Join 50,000+ patients who transformed their lives with GLP-1 medications
"I tried everything — keto, intermittent fasting, gym memberships. Nothing worked long-term. GLP-1 changed everything. I lost 47 pounds in 8 months and finally feel like myself again. The online process was so easy — I had my prescription in 2 days."
Jessica M., 38
Texas
-47 lbs
in 8 months
Compounded semaglutide
"At 52, my doctor said I was heading toward diabetes. I started tirzepatide through a telehealth program and lost 62 pounds. My A1C is back to normal, my blood pressure dropped, and I'm off two medications. Wish I'd done this years ago."
David R., 52
Florida
-62 lbs
in 11 months
Tirzepatide (Zepbound)
"I was skeptical about doing this online, but the whole process was professional and easy. My provider answered all my questions, and the medication arrived in 4 days. I've lost 38 pounds and finally have energy to play with my kids again."
Aisha K., 34
California
-38 lbs
in 6 months
Compounded semaglutide
Results vary. These testimonials reflect individual experiences and are not typical. Weight loss depends on diet, activity, and adherence to medication.
How it works — 3 simple steps
Take the 60-second quiz
Answer a few questions about your health, weight goals, and medical history. It's free and confidential.
1 min
Meet your US-licensed provider
A board-certified clinician reviews your profile and prescribes the right GLP-1 medication for you — entirely online.
24-48 hrs
Get medication shipped to your door
Your prescription is filled by a US pharmacy and delivered in discreet packaging in 3-5 business days.
3-5 days
Get GLP-1 savings alerts & weekly tips
Join 50,000+ readers. Price drops, new coupons, and expert weight-loss advice — delivered weekly. Unsubscribe anytime.
Free. No spam. Unsubscribe anytime.