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Comparison

Semaglutide vs tirzepatide

Written by the Verra clinical team · Medical review pending · Last updated Oct 4, 2026

Quick answer

Both are weekly GLP-1-based medications for weight management in eligible adults. Tirzepatide also acts on GIP and showed greater average weight loss in trials, while semaglutide has a longer track record and an oral option. The right choice depends on your health, goals and tolerance.

Key takeaways

  • Both reduce appetite and support weight loss.
  • Tirzepatide acts on two hormones; semaglutide on one.
  • Side effects are similar, mainly stomach-related.

Side by side

FeatureSemaglutideTirzepatide
How it worksGLP-1 agonistGIP + GLP-1 agonist
Brand namesWegovy, OzempicZepbound, Mounjaro
FormWeekly injection or daily pillWeekly injection
Common side effectsNausea, diarrhea, constipationNausea, diarrhea, constipation
Thyroid cancer warningYesYes

Which is right for you?

Your provider considers your weight history, other conditions, prior response, side effects and cost. Some people switch if one is not tolerated.

Treatment options at Verra

A licensed provider decides whether a treatment is appropriate after your visit.

Questions

Semaglutide vs tirzepatide: What is the main difference?

Semaglutide acts on GLP-1 receptors, while tirzepatide acts on both GLP-1 and GIP receptors. These signals help control appetite and blood sugar. Weekly injections of either drug may support weight management in eligible adults. Results vary. A physician licensed in your state decides which treatment, if any, is appropriate.

Semaglutide vs tirzepatide: Which leads to more weight loss?

Tirzepatide produced greater average weight loss than semaglutide in a head-to-head trial of specific weekly injection doses in adults with obesity without diabetes. Results vary. That finding does not predict your response or prove that any compounded preparation will deliver the results seen with the studied products.

Semaglutide vs tirzepatide: Who may qualify for weight management treatment?

For approved adult weight management products, eligibility generally starts at a body mass index of 30, or 27 with a weight-related health condition. These numbers alone do not establish eligibility. A physician licensed in your state must review your health history, medicines, and the risks of semaglutide or tirzepatide.

Semaglutide vs tirzepatide: How do side effects compare?

Semaglutide and tirzepatide share common digestive side effects, including nausea, vomiting, diarrhea, constipation, and stomach discomfort. Neither is always easier to tolerate. Side effects often occur when treatment starts or the dose increases. Severe or lasting symptoms need medical review, and some symptoms require urgent care rather than an online message.

Semaglutide vs tirzepatide: How do weekly injections and oral options differ?

Weekly injections are available for both semaglutide and tirzepatide. Semaglutide also has oral products, while tirzepatide does not have an FDA-approved oral option. Oral semaglutide has product-specific uses and dosing rules. Do not assume a tablet replaces an injection or that Verra offers every form discussed in this guide.

Semaglutide vs tirzepatide: How long does it take to notice changes?

Some people notice appetite changes early, but weight changes are better assessed over months rather than days. Results vary. Both semaglutide and tirzepatide usually begin at a low dose that increases gradually. Your physician will consider your progress, side effects, and time at a tolerated dose before judging the treatment.

Semaglutide vs tirzepatide: Can I switch drugs or take them together?

Do not take semaglutide and tirzepatide together. A physician may consider a switch, but their doses are not directly equivalent. Your next dose and start date depend on your current treatment, side effects, and any gap in use. Do not reuse an old dose schedule for the new medication.

Semaglutide vs tirzepatide: What should I know about pregnancy and birth control?

Neither drug should be used for weight loss during pregnancy. Semaglutide should be stopped at least two months before a planned pregnancy. Tirzepatide can reduce the effectiveness of birth control pills after starting or increasing the dose. Discuss pregnancy plans and contraception with your physician before choosing either treatment.

Semaglutide vs tirzepatide: What happens if I stop treatment?

After stopping semaglutide or tirzepatide, appetite may increase and weight regain can occur. Results vary. Blood sugar may also rise if you have diabetes. Plan any stop with your physician, especially if you take other diabetes medicines. Restarting after a gap may require a lower dose and new instructions.

Semaglutide vs tirzepatide: How do I compare Verra costs and visit options?

Check each treatment page for the current medication price and available options. Verra's online visit fee is $99, and its video visit fee is $149. Medication is charged only after physician approval. Verra does not bill insurance. Some states or medications require a video visit rather than an online visit.

Related reading

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Sources

This page is general information, not medical advice. Results vary. Compounded medications are not FDA-approved. Our editorial policy

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