Semaglutide
A prescription medicine that copies a gut hormone released after meals, so you feel full sooner and stay full longer.
Learn about SemaglutideGLP-1 medication options
Tirzepatide
A prescription medicine that works on two gut-hormone receptors instead of one, both tied to appetite and blood sugar.
- Class
- GIP and GLP-1 medicine
- Type
- Prescription medicine
- Brand names
- Mounjaro, Zepbound
- FDA status
- FDA-approved (certain uses)
Overview
What it is
Tirzepatide acts on the receptors for two gut hormones, GIP and GLP-1. Both are released after eating and help control appetite and blood sugar. It is sold under the names Mounjaro and Zepbound.
It calls for an evaluation and ongoing care from a provider as part of a whole-person weight plan.
Tirzepatide arrived after semaglutide and took a different route: instead of copying one gut hormone, it was designed to act on the receptors for two.
That second pathway is the reason it draws so much comparison. Head-to-head trials in adults with obesity have reported greater average weight loss than with semaglutide, though averages say little about any one person.
It is sold as Mounjaro for type 2 diabetes and as Zepbound for weight management and obstructive sleep apnea. Same molecule, different approvals.
Benefits
What it supports
- Supports weight management within a provider-led program
- Reaches two appetite and blood-sugar pathways rather than one
- Works best next to nutrition and activity changes, not in place of them
- Comes with ongoing check-ins so the plan can be adjusted over time
Mechanism
How it works
1
Your gut releases two hormones after you eat: GLP-1 and GIP. Both help the pancreas time its insulin release and both send signals about hunger and fullness.
2
Tirzepatide switches on the receptors for both. Semaglutide reaches only the GLP-1 receptor, which is the core difference between them.
3
In practice you feel full sooner, your stomach empties more slowly, and blood sugar tends to run steadier through the day.
4
It is part of a plan, not the whole plan. Food, activity, and regular check-ins still do a lot of the work.
Context
Who it's for
Adults weighing GLP-1 and dual-pathway options after reading about both
People with weight-related health concerns who want a medical path with follow-up
Adults who want to understand what the second receptor actually adds before a visit
People with type 2 diabetes discussing weight and blood sugar in the same conversation
Landscape
In the landscape
How this therapy compares to related options—not a recommendation.
- Semaglutide
Works on the GLP-1 receptor only. Both are FDA-approved, and which one fits you is a provider's decision.
Provider-directed
What providers review
- Your weight history, body mass index, and related lab results
- Medicines you take now, especially other diabetes or weight medicines
- Your medical history, including thyroid, pancreas, and heart conditions
- How you eat, how active you are, and what you have tried before
- Pregnancy plans and anything else that affects whether the medicine is safe for you
For therapies that require medical evaluation, every protocol is designed by a licensed provider.
Suitability for Tirzepatide is determined by a licensed provider after evaluation.
In this area
Related therapies
Other compounds that support overlapping wellness goals.
Questions
Tirzepatide FAQ
Good to know
Regulatory & considerations
Tirzepatide is FDA-approved as a prescription medicine for certain uses. A licensed provider decides after an evaluation whether it is a good fit for you.
Therapies that require medical evaluation are sourced from FDA-regulated 503A compounding pharmacies.
For therapies that require medical evaluation, every protocol is designed by a licensed provider.
Tirzepatide is FDA-approved, but only for specific uses. Your provider decides whether one of them applies to you.
Nausea, diarrhea, and constipation are the most common side effects, and they are usually worst when starting or increasing a dose.
It carries a boxed warning about a thyroid tumor seen in rats. Your provider will ask whether you or a close relative has had medullary thyroid cancer.
Results differ from person to person, and nothing here promises an outcome.
Shop Tirzepatide
See current pricing and availability for Tirzepatide in our shop. If a medical evaluation is needed, a licensed provider guides you through it.
Individual results vary. General information on this site is not a substitute for professional medical advice.