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August 18, 2026 · Side-by-side comparison authority

Wegovy vs Zepbound Head-to-Head: The 2026 Head-to-Head Study Landscape

The two dominant brand-name GLP-1s for weight management have accumulated meaningful head-to-head data by 2026. Here's how Wegovy (semaglutide) and Zepbound (tirzepatide) actually compare across the metrics that matter.

The Molecule-Level Difference

Wegovy is semaglutide, a GLP-1 receptor agonist. Zepbound is tirzepatide, a dual GLP-1 and GIP receptor agonist. The dual receptor engagement in tirzepatide produces greater average weight loss magnitudes in trials — a real, reproducible difference.

AttributeWegovyZepbound
Molecule classGLP-1 agonistGLP-1 + GIP dual agonist
Max weight-mgmt dose2.4 mg weekly15 mg weekly
Injection formatPre-filled penPre-filled pen or vial
Approx trial weight loss~15% at 68 wks~20% at 72 wks
CV outcome trialSELECT (positive)SURMOUNT-MMO (positive)
Kidney outcome trialFLOW (positive)In progress

Weight Loss Magnitude

Across trials, tirzepatide produces greater average weight loss than semaglutide. Individual responses vary — some patients lose more on semaglutide than they would have on tirzepatide — but at the population level, tirzepatide's magnitude advantage is real and consistent.

Practical implication: if maximum weight loss is the top priority, Zepbound is the more likely path to reach it. If moderate weight loss is sufficient, Wegovy is proven and effective.

Found Health

$100 off promo

Brand-name GLP-1 access with coaching layer.

  • Brand-name focus
  • Coaching + accountability
  • Insurance-coordinated
Check Latest Pricing

Sesame Care

Brand-name pathways

Marketplace for brand-name FDA-approved GLP-1 only.

  • Brand-name only
  • Direct consult marketplace
  • Cash-pay clarity
Check Latest Pricing

Cardiovascular and Kidney Evidence

Semaglutide has FDA approval for cardiovascular risk reduction in adults with established CVD and either type 2 diabetes or obesity, based on SELECT and prior cardiovascular outcome trials. It also has kidney outcome data from FLOW.

Tirzepatide's CV evidence is newer, based on SURMOUNT-MMO. Its kidney outcome data is still accumulating. In patients where CV or kidney protection is a specific priority, semaglutide has the more mature evidence base — though tirzepatide's evidence continues to grow.

Embody

Injectable semaglutide, $400 CPA tier

Injectable semaglutide only — lead compounded option.

  • Injectable semaglutide focus
  • Standard titration
  • Direct pharmacy shipping
FDA note: Compounded GLP-1 medications are not FDA-approved. Personalization must be based on a documented clinical need per current FDA guidance.
Check Latest Pricing

Telos Rx

Compounded tirzepatide

Compounded tirzepatide via direct pharmacy.

  • Compounded tirzepatide
  • Direct-link intake
  • Verify pricing
FDA note: Compounded GLP-1 medications are not FDA-approved. Personalization must be based on a documented clinical need per current FDA guidance.
Check Latest Pricing

Cost Comparison

Cash-pay pricing via manufacturer direct programs runs comparably. NovoCare Wegovy: $199 intro, $349 ongoing for injectable. LillyDirect Zepbound: $299-$449 by dose tier for vials. Insurance coverage varies by employer plan; both are commonly covered for eligible indications with prior authorization.

Oak Weight Loss

GLP-1 program

Telehealth program with compounded GLP-1 access.

  • Compounded GLP-1
  • Standard intake
  • Membership pricing
FDA note: Compounded GLP-1 medications are not FDA-approved. Personalization must be based on a documented clinical need per current FDA guidance.
Check Latest Pricing

Side Effect Profiles

Both medications share the class-typical GI adverse effect profile — nausea, vomiting, diarrhea, constipation — with individual variation. Head-to-head trials haven't shown either medication as clearly better tolerated than the other. Patients who don't tolerate one often tolerate the other; molecule-level cross-tolerance isn't 1:1.

Choosing Between Them

Choose Wegovy if: cardiovascular protection is a specific priority, kidney disease is a factor, cost differential matters at your insurance coverage tier, or you want the more-studied molecule. Choose Zepbound if: maximum weight loss magnitude is the priority, you've already tried semaglutide with insufficient response, or your insurance covers tirzepatide preferentially. Both are legitimate first-line choices for eligible patients.

MadeMed

Compounded GLP-1 options

Independent compounder — sema, tirz, and oral formats.

  • Compounded sema/tirz
  • Oral tirz $167-229
  • Direct pharmacy fulfillment
FDA note: Compounded GLP-1 medications are not FDA-approved. Personalization must be based on a documented clinical need per current FDA guidance.
Check Latest Pricing

SHED

Starts lower, $399/mo at 7.5mg+

Note: SHED's price jumps to $399/mo at 7.5mg+.

  • Lower entry pricing
  • Price jump at 7.5mg+
  • Compounded sema + tirz
FDA note: Compounded GLP-1 medications are not FDA-approved. Personalization must be based on a documented clinical need per current FDA guidance.
Check Latest Pricing

Where to Start

Sesame Care

Brand-name pathways

Marketplace for brand-name FDA-approved GLP-1 only.

  • Brand-name only
  • Direct consult marketplace
  • Cash-pay clarity
Check Latest Pricing

Found Health

$100 off promo

Brand-name GLP-1 access with coaching layer.

  • Brand-name focus
  • Coaching + accountability
  • Insurance-coordinated
Check Latest Pricing

Embody

Injectable semaglutide, $400 CPA tier

Injectable semaglutide only — lead compounded option.

  • Injectable semaglutide focus
  • Standard titration
  • Direct pharmacy shipping
FDA note: Compounded GLP-1 medications are not FDA-approved. Personalization must be based on a documented clinical need per current FDA guidance.
Check Latest Pricing
Medical & editorial disclaimer. This article is for informational purposes only and is not medical advice. GLP-1 medications require prescriber evaluation. Compounded GLP-1 medications are not FDA-approved. Talk to a licensed clinician before starting, stopping, or changing any prescription. Provider pricing, availability, and program terms change frequently — verify current details on each provider's site before making a decision. Some links are affiliate links, which means we may earn a commission if you sign up; this does not change our recommendations or the price you pay.