Semaglutide vs Tirzepatide
Side-by-side comparison of weight loss results, pricing, side effects, and clinical data.
Semaglutide
Tirzepatide
Head-to-Head Comparison
Side Effects Comparison
Semaglutide
- Nausea
- Diarrhea
- Vomiting
Tirzepatide
- Nausea
- Diarrhea
- Decreased appetite
Pros & Cons
Semaglutide
Pros
- +More data available
- +Oral option exists
- +Widely available
Cons
- -Less weight loss than tirzepatide
- -GI side effects common
Tirzepatide
Pros
- +Greater average weight loss
- +Dual mechanism (GLP-1 + GIP)
- +May improve insulin sensitivity more
Cons
- -Less long-term data
- -No oral option yet
- -Supply constraints
The Verdict
Tirzepatide shows greater weight loss in head-to-head trials (~22% vs ~15%), but semaglutide has a longer track record and more availability. Cost is similar for compounded versions.
SURMOUNT-5 showed tirzepatide achieved greater weight loss than semaglutide
Which Is Right for You?
Choose Semaglutide if...
Patients who want a well-studied medication with oral option
Choose Tirzepatide if...
Patients seeking maximum weight loss with dual-action mechanism
Frequently Asked Questions
Is tirzepatide better than semaglutide?
Clinical trials suggest tirzepatide produces more weight loss on average (~22% vs ~15%), but individual results vary. Both are effective GLP-1 medications.
Can you switch from semaglutide to tirzepatide?
Yes, with your doctor's guidance. Typically you'd start tirzepatide at the lowest dose even if you were on a high dose of semaglutide.
Which has fewer side effects?
Both have similar GI side effect profiles. Some studies suggest tirzepatide may cause slightly less nausea at equivalent efficacy doses.
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