Zepbound Dosage 2026: Complete Dosing Chart, Schedule & Titration Guide
Complete guide to Zepbound dosage. 2.5-15 mg weekly, titration schedule, injection instructions, missed dose guide, storage, and costs from $147/mo.
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Zepbound dosage: Complete guide
Zepbound (tirzepatide) follows a gradual titration schedule to minimize side effects and maximize weight loss. The dose starts at 2.5 mg weekly and increases every 4 weeks up to the 15 mg maintenance dose, producing approximately 22.5% average weight loss — the most of any GLP-1 medication. This guide covers the complete Zepbound dosing schedule, injection instructions, and everything you need to know.
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Zepbound dosing schedule
| 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 |
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How to inject Zepbound
- Choose your injection site — Abdomen (2+ inches from navel), thigh, or upper arm
- Rotate sites — Different site each week
- Clean the site — Alcohol swab, let dry
- Inject — Place pen against skin, press button, hold 5-10 seconds
- Dispose safely — Sharps container
See our injections guide.
What to do if you miss a dose
- Less than 4 days late: Take it as soon as you remember
- More than 4 days late: Skip and take next dose on schedule
- Never take two doses at once
- If you miss 2+ weeks, contact your provider
Zepbound storage
- Before first use: Refrigerator (36-46°F / 2-8°C)
- After first use: Room temperature (59-86°F) for up to 21 days, or refrigerated
- Do not freeze
- Protect from light
Zepbound vs Wegovy dosing comparison
| Feature | Zepbound | Wegovy |
|---|---|---|
| Active ingredient | 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 |
| Weight loss | 22.5% | 15% |
| Frequency | Weekly | Weekly |
See our tirzepatide dosage guide and Wegovy dosage guide.
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FAQ
What is the standard Zepbound dosage?
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 Zepbound dose?
15 mg weekly. Produces ~22.5% average weight loss over 72 weeks. Highest FDA-approved tirzepatide dose for weight loss.
How often do you take Zepbound?
Once weekly as a subcutaneous injection. Same day each week. Any time of day, with or without food.
How long to reach the full dose?
20-24 weeks. Dose increases every 4 weeks: 2.5 → 5 → 7.5 → 10 → 12.5 → 15 mg. Gradual increase minimizes 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.
How do you inject Zepbound?
Subcutaneous injection in abdomen, thigh, or upper arm. Pre-filled pen. Rotate sites weekly. Virtually painless.
Can I increase my Zepbound dose faster?
No. Faster titration increases risk of severe side effects. Always follow your provider's schedule.
Is Zepbound dosing the same as Mounjaro?
Yes. Both contain tirzepatide and use the same 2.5-15 mg schedule. Difference is FDA indication: Zepbound for weight loss, Mounjaro for diabetes.
Related articles
- Zepbound Weight Loss
- Tirzepatide Dosage Guide
- GLP-1 Dosage Guide
- GLP-1 Injections Guide
- Wegovy Dosage Guide
- Tirzepatide Weight Loss
- Tirzepatide Cost Guide
- Best Weight Loss Medication 2026
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
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