Research
Hormonal
Tirzepatide produces greater magnitude and faster velocity of weight loss compared to semaglutide in real-world clinical practice.
If you are choosing between Tirzepatide and Semaglutide for weight loss, Tirzepatide is associated with losing more weight (approx 4% more on average) and losing it faster in the first year. This is based on real-world data from over 20,000 patients.
GoodSupportsHIGH confidence
Patients treated with tirzepatide lost more weight than those treated with semaglutide (mean reduction, 14.7% vs. 10.8%; p<0.001)... accompanied by faster monthly weight-loss velocity (2.54% vs. 2.18%).
Why this rating
Large propensity-matched real-world cohort (N=20,678), but observational design limits causal inference compared to RCTs.
Source
Weight Loss Dynamics and Health Burden Changes with Tirzepatide versus Semaglutide
AJ Venkatakrishnan et al. · medRxiv · 2025
DOI 10.64898/2025.11.30.25341294
preprint · n=20678Cited 4×
Read the paper DOI resolved against Crossref · corpus check 2026-06-10
More from this paper
- Tirzepatide is associated with a lower prevalence of gastrointestinal and systemic adverse events compared to semaglutide, particularly in high responders.Good
- Demographic disparities exist in weight loss response to GLP-1RAs, with White and female patients more likely to be high responders, while Black and Hispanic patients are more likely to be minimal responders.Good
Related findings · Hormonal
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