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Evidence comparison

Semaglutide vs. Tirzepatide: Separate the Study From the Prescription

By Kind MD Editorial Team|August 11, 2026|10 min read
Last updated: August 11, 2026
Semaglutide and tirzepatide comparison guide
KEY TAKEAWAYS
In This Article
  1. What the medicines are
  2. What SURMOUNT-5 studied
  3. What the trial cannot prove
  4. The prescribing decision

What the medicines are

Semaglutide and tirzepatide are different active ingredients. Their approved products have different labels, evidence programs, and prescribing contexts. A comparison can describe those differences, but it cannot decide which treatment, if any, is appropriate for a particular person.

What SURMOUNT-5 studied

SURMOUNT-5 (PubMed 40353578) was a phase 3b, open-label, controlled trial. It randomized 751 adults with obesity but without type 2 diabetes to maximum tolerated doses of tirzepatide (10 or 15 mg) or semaglutide (1.7 or 2.4 mg), administered once weekly for 72 weeks. The primary endpoint was percent change in weight at week 72; key secondary endpoints included threshold weight reductions and waist circumference.

The study reported greater least-squares mean weight and waist-circumference reductions with tirzepatide in that population and period. The most common adverse events in both groups were gastrointestinal and occurred primarily during dose escalation. Read the full PubMed record for the methods, confidence intervals, funding, and limitations.

What the trial cannot prove

SURMOUNT-5 does not test a compounded preparation. Its results should not be presented as a Kind MD result, a forecast for an individual, or evidence that one person should change treatment. A branded-product trial also does not establish a formulation, pharmacy, availability, or outcome for a compounded prescription.

Do not use this page to switch, convert, taper, or choose a dose. A licensed healthcare provider makes an independent prescribing decision when clinically appropriate.

Questions for the prescribing conversation

Kind MD is a telehealth platform that connects eligible patients with licensed healthcare providers who may prescribe compounded semaglutide or tirzepatide when clinically appropriate. Kind MD works with licensed U.S. pharmacies. The dispensing pharmacy and applicable oversight may vary by prescription and state.

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Published by the Kind MD Editorial Team This educational article is not a substitute for professional medical advice, diagnosis, or treatment.

Frequently asked questions

Are semaglutide and tirzepatide the same medicine?

No. They are different active ingredients with different approved products, labels, and evidence records.

What did SURMOUNT-5 study?

It randomized 751 adults with obesity without type 2 diabetes to maximum tolerated doses of tirzepatide or semaglutide once weekly for 72 weeks. The PubMed record gives the methods and endpoints.

Can SURMOUNT-5 predict my result?

No. It reports group results in a defined population and does not forecast an individual result.

Does SURMOUNT-5 study compounded preparations?

No. The trial studied approved products. Its findings do not establish an outcome for a compounded preparation.

Who decides which treatment is appropriate?

A licensed healthcare provider makes an independent prescribing decision when clinically appropriate. Do not switch or change treatment from a blog.

References

  1. Aronne LJ et al., SURMOUNT-5, PubMed 40353578. Source
  2. FDA, FDA’s Concerns with Unapproved GLP-1 Drugs Used for Weight Loss. Source
  3. FDA, FD&C Act Provisions that Apply to Human Drug Compounding. Source

How to use this page

Kind MD articles are educational resources. We link to primary regulatory, publication, and registry sources so you can inspect the question each source addresses. This page is not a substitute for professional medical advice, diagnosis, or treatment.

Questions about a prescription should go to your licensed healthcare provider and dispensing pharmacy.

Questions about your care?

Take the free quiz to get started. An independent licensed provider will review your information and determine whether treatment may be appropriate for you.

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