Lilly direct-selling Zepbound at $499/mo — compare with 11 other programs →
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Zepbound tirzepatide

pronounced as (tir zep' a tide)

FDA-approved forChronic weight managementObstructive sleep apnea (moderate-to-severe, with obesity)
Weight LossBy Eli Lilly· FDA-approved 2023

Dual GLP-1/GIP agonist for weight management. ~20% body weight loss in trials — strongest weight-loss drug currently available.

Zepbound delivery device illustration
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Reviewed by the glpzoom Editorial Team against primary clinical sources — FDA labeling, peer-reviewed trials, and specialty-society guidelines.
Content current as of June 2026; updated when guidance or availability changes.

Zepbound vs Wegovy

The two FDA-approved weight-loss GLP-1s most readers are choosing between. Same weekly injection cadence, different molecules and different mean efficacy.

ZepboundWegovy
Generic nametirzepatidesemaglutide
ManufacturerEli LillyNovo Nordisk
FDA statusFDA-approved 2023FDA-approved 2021
Clinical efficacy20.9% mean body-weight reduction at 72 weeks (15 mg dose)14.9% mean body-weight reduction at 68 weeks
Pivotal trialSURMOUNT-1 (NCT04184622)STEP 1 (NCT03548935)
Boxed warningYesYes
Full pageZepbound →Wegovy →

Deep comparison: Zepbound vs Wegovy →

Zepbound availability by dose

Full supply tracker →
  • 2.5 mg· Available
  • 5 mg· Available
  • 7.5 mg· Available
  • 10 mg· Available
  • 12.5 mg· Limited
  • 15 mg· Limited

What is Zepbound?

Zepbound is the FDA-approved branded formulation of tirzepatide for chronic weight management. Same active ingredient as Mounjaro (approved for diabetes), at weight-loss doses 2.5-15mg weekly. Eli Lilly holds the trademark.

How does Zepbound work?

Tirzepatide is a dual incretin agonist: it hits both the GLP-1 receptor (like semaglutide) and the GIP receptor (which semaglutide doesn't). The combination produces stronger appetite suppression and better glycemic effect than GLP-1 alone, which translates to more weight loss in head-to-head trials (SURMOUNT studies showed ~20% body weight loss at the 15mg dose).

Who can take Zepbound?

Same indications as Wegovy: BMI ≥30, or BMI ≥27 with a weight-related comorbidity. Contraindicated in personal/family history of medullary thyroid cancer or MEN2.

How is Zepbound taken?

Titrated 2.5mg → 5mg → 7.5mg → 10mg → 12.5mg → 15mg, every 4 weeks. Maintenance 5-15mg weekly depending on tolerability and target weight.

PhaseDoseNotes
Weeks 1–42.5 mg once weeklyStarter dose
Weeks 5–85 mg once weeklyLowest maintenance dose; some patients hold here
Weeks 9–127.5 mg once weekly
Weeks 13–1610 mg once weeklyCommon maintenance dose
Weeks 17–2012.5 mg once weekly
Week 21+15 mg once weeklyMaximum approved dose

Zepbound weight loss over time (trial average)

  • Week 43%
  • Week 128%
  • Week 2415%
  • Week 4820%
  • Week 7221%

Mean total body-weight reduction at the 15 mg weekly maintenance dose, from SURMOUNT-1 (NCT04184622). Individual results vary widely; ~10% of trial participants lost less than 5%.

How much does Zepbound cost?

List price ~$1,000-1,300/month. Lilly's patient assistance program (LillyDirect Self-Pay) offers $399-549/month for self-pay patients depending on dose. Insurance coverage similar pattern to Wegovy.

What side effects can Zepbound cause?

Similar profile to semaglutide: nausea, constipation, diarrhea, fatigue. Some patients report stronger GI side effects than Wegovy at equivalent body-weight-loss-effectiveness doses; others tolerate it better. Same MTC/MEN2 contraindication.

Zepbound side-effect timeline: when to expect what

  1. Weeks 1-42.5 mg starter

    GI side effects (nausea, diarrhea, constipation) typically start mild. The 2.5 mg dose is a tolerance check, not a therapeutic dose.

  2. Weeks 5-20Dose escalation

    Stepping up every 4 weeks (5 → 7.5 → 10 → 12.5 → 15 mg) can re-trigger nausea briefly at each step. Many hold at 5 or 10 mg if that controls appetite well.

  3. Weeks 20-24Settling

    Side effects become less frequent as the body adapts. Diarrhea and constipation can alternate; hydration and fiber help.

  4. Week 24+Maintenance

    Typically mild, occasional symptoms at steady dose. Persistent severe symptoms warrant a dose conversation with your provider.

Typical timing from FDA labels and trial data. Individual experience varies; slower titration eases side effects for many patients.

What if I miss a dose of Zepbound?

Zepbound is dosed once weekly. If you miss a dose: take it within 4 days of the scheduled day. If more than 4 days have passed, skip and resume the regular weekly schedule on your next dosing day. Do not double up. After missed doses, side effects may be more pronounced on resuming — this is normal as the body re-acclimates. If you miss 2+ consecutive doses, contact your prescriber; restart at a lower dose may be appropriate. Consistency matters most during the first 12-16 weeks of titration.

How should Zepbound be stored?

Refrigerate Zepbound pens between 36°F and 46°F (2°C to 8°C) in original carton until use. Do not freeze. After first use, may be stored at room temperature up to 86°F (30°C) for up to 21 days. Protect from light. Discard pens stored at room temperature for more than 21 days or any pen exposed to freezing temperatures.

What if I overdose on Zepbound?

There is no specific antidote for tirzepatide overdose. The drug has a half-life of ~5 days, so monitoring may need to continue for over a week. Call US Poison Control at 1-800-222-1222 immediately or go to the emergency room for severe hypoglycemia (higher risk if combined with insulin or a sulfonylurea), persistent vomiting, dehydration signs, or altered mental status. Bring the pen and packaging if you go to the ER.

Zepbound pharmacy prices

Updated 1mo agoRefreshed 2026-05-01
Lowest reference price: $349/mo via LillyDirect

Reference monthly prices (28-day supply). Real pricing varies by zip code, dose, and changes frequently. Always check live coupons before purchase.

PharmacyMonthlyTypeNotes
LillyDirect$349Lowestmanufacturer · self-payLillyDirect Self-Pay vials, 2.5mg dose. 7.5-15mg doses run $499-$549/mo.
Costco Pharmacy$1,035warehouseMember cash price
GoodRx coupon$1,050discount-card · couponLimited GoodRx discount on branded Zepbound
CVS Pharmacy$1,060retailLargest US retail pharmacy chain. Brand-name list price typical.
Walgreens$1,060retailSecond-largest US retail pharmacy. Brand-name pricing in line with industry list.
Walmart Pharmacy$1,060warehouseBig-box pharmacy with $4 generic program. Brand prescription pricing closer to retail.
Amazon Pharmacy$1,060onlineOnline pharmacy with Prime member discounts on select medications.

Coupon and self-pay eligibility apply. Check each program's terms. Manufacturer self-pay programs (NovoCare, LillyDirect) typically require no commercial insurance coverage of the drug for eligibility.

Zepbound 30-day mean cash price

▼ 0.6% vs 30 days ago

2026-04-27Range: $1,084 - $1,1482026-05-26

Mean cash price across CVS, Walgreens, Walmart, Costco. Snapshot refreshed weekly; individual pharmacy prices vary by zip.

Where to get Zepbound

Licensed US telehealth providers that prescribe/ship Zepbound. We earn commission when you book. See disclosure.

  • Ro logo

    Ro

    from $145/mo
    • Best for insured patients
    • Best for clinical oversight

    Ro Body — branded GLP-1 weight care program

    Why we picked it

    The insurance concierge actually files your prior authorization, which can drop the effective cost below $50/month when your plan covers GLP-1s. Named obesity-medicine leadership.

    Who should skip

    Skip if you are cash-pay only — Ro's value is the insurance work, and you pay for clinical depth you may not need.

    Behavioral layer2/10
    • Dietitian
    • Curriculum
    • Community
    • Coach
    • Muscle
    • Off-Rx
    Off-Rx: no plan
    Flaws but not dealbreakers (3)
    • Not the cheapest entry point in the category
    • Not available in Louisiana or Alaska
    • Compounded medication availability varies by FDA shortage status
    Visit Ro →Read review

    We may earn a commission. Pricing on partner site is final.

  • Hims logo

    Hims

    from $199/mo
    • Best for cash-pay
    • Best for speed

    Hims Weight Loss — compounded GLP-1 from $199/mo

    Why we picked it

    Lowest cash-pay entry price among the large brands, with a fast async sign-up and a polished app. Good first step for self-directed adults.

    Who should skip

    Skip if you want insurance filed for you — Hims is cash-pay only and won't chase a prior authorization.

    Behavioral layer1/10
    • Dietitian
    • Curriculum
    • Community
    • Coach
    • Muscle
    • Off-Rx
    Off-Rx: no plan
    Renewal & cancel details
    Intro:
    $39 for first month
    After:
    $149/mo
    Cancel:
    form

    Auto-renews at $149/mo after first month; dashboard cancel requires form submission.

    Flaws but not dealbreakers (3)
    • Bundle pricing can obscure the actual medication cost
    • Less specialized than dedicated GLP-1 brands
    • Not available in Louisiana
    Visit Hims →Read review

    We may earn a commission. Pricing on partner site is final.

Not sure which Zepbound program fits?

8 questions, ~60 seconds. We'll match you with three programs and explain the trade-offs.

Start free assessment

No email required. Resume any time.

Preview
Q1

What's your primary goal?

  • Lose weight (10+ lbs)
  • Lose a few stubborn pounds
  • Improve metabolic health
  • Just exploring options
Q2

Have you tried weight loss medication before?

  • Never
  • Yes, GLP-1 (Wegovy, Ozempic, etc.)
  • Yes, other medication

+ 6 more in the full assessment

Ask the obesity-medicine specialist

Browse all answers

Related terms

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Zepbound news & research

Recent FDA actions, trial readouts, and market developments.

  1. Trial readout

    Zepbound shows superior weight loss vs Wegovy in SURMOUNT-5 head-to-head

    Phase 3b head-to-head trial published in NEJM: tirzepatide 15 mg achieved 20.2% mean body-weight reduction vs 13.7% for semaglutide 2.4 mg at 72 weeks.

    Source ↗
  2. FDA action

    FDA approves Zepbound for obstructive sleep apnea in adults with obesity

    First pharmacologic OSA treatment for adults with obesity. Approval based on SURMOUNT-OSA trial showing significant AHI reduction.

How to get it

  1. Take the eligibility quiz

    5 minutes of medical-history questions matched to the medication's FDA criteria. Free, no commitment.

  2. Submit ID + a recent photo

    Required by every legitimate US telehealth platform to verify identity and meet state prescribing rules.

  3. Async clinical review

    A licensed clinician in your state reviews your history and decides whether the medication is appropriate. Typically within 24-48 hours.

  4. Prescription ships

    If approved, the medication is sent from a partner pharmacy. Initial titration dose arrives in 3-7 days for most US states.

  5. Ongoing support

    Most programs include follow-up check-ins, dose adjustments, and side-effect support. Coverage varies by program.

Other brands of tirzepatide

tirzepatide is sold under multiple brand names. Each one is approved for a different indication or comes in a different form.

Sources

Primary references this page draws from. We cite original sources so you can verify any claim.

  1. FDAFDA-approved Zepbound (tirzepatide) prescribing information
  2. Clinical trialSURMOUNT-1: Tirzepatide once weekly for treatment of obesity (NEJM, 2022)
  3. Clinical trialSURMOUNT-5 head-to-head: tirzepatide vs semaglutide for weight reduction (NEJM, 2025)
  4. ManufacturerEli Lilly Zepbound product information
  5. ManufacturerLillyDirect Self-Pay program

More on Zepbound

For clinicians: see the Zepbound prescribing summary.

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