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GLP-1 Real-World Evidence Analysis — Free PDF Report

What 14,252 Reddit posts reveal about retatrutide, tirzepatide, and semaglutide — side effects, severity, remedies, benefits, switching patterns, and a dedicated women’s health analysis.

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GLP-1 Real-World Evidence Analysis

PDF • 22 pages • March 2026 • WeightSnap Research
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Dataset & DOI: 10.5281/zenodo.18943922
3,580
Retatrutide
5,380
Tirzepatide
5,084
Semaglutide
4,651
Female-Identified

Key Findings

1
Semaglutide has the worst severity profile — 30.1% of side effect reports rated severe, vs 26.8% for tirzepatide and 21.9% for retatrutide. This is driven by its intense GI burden.
2
Retatrutide has unique non-GI side effects largely absent from the other drugs: heart rate increase (7.2%), insomnia (6.4%), skin sensitivity (5.6%), and low libido (1.5%). Heart rate is survivorship-biased; skin sensitivity is genuinely dose-dependent.
3
Tirzepatide has the best overall benefit profile — leading on energy, inflammation reduction, blood pressure, mental clarity, and joint pain. It’s also the most satisfying switch destination (36% positive sentiment).
4
Women report hair loss at 2–3× the overall rate across all three drugs. Confidence improvement (11.4% of female posts) is the largest gender-specific benefit gap. PCOS improvement (n=290) is entirely absent from clinical trial data.
5
Reddit predicted a Phase 3 finding before publication. Our data showed retatrutide skin sensitivity at 5.6%, consistent with Phase 2 (7%). TRIUMPH-4 later confirmed 20.9% at 12mg — validating the dose-dependent pattern visible in this dataset.

What’s Inside

1 Side Effect Frequency & Severity by Drug p. 2
2 Dose-Response & Heart Rate Reinterpretation p. 4
3 Remedy Effectiveness for Top Side Effects p. 6
4 Unexpected Benefits Analysis p. 8
5 Drug Switching Patterns & Sentiment p. 9
6 Temporal & Discontinuation Patterns p. 10
7 Women’s Health Data (n=4,651) p. 12
8 Content Gaps & Unanswered Questions p. 15
9 Findings That Challenge Conventional Wisdom p. 16
10 Actionable Recommendations by Drug p. 17
11 Clinical Trial Comparison — Where Reddit Diverges p. 19

Explore the Data

Search 14,252 Posts
Interactive research hub — search side effects, benefits, and real patient experiences
Retatrutide vs Tirzepatide
8,960 posts — triple vs dual agonist side-by-side
Retatrutide vs Semaglutide
8,664 posts — opposite side effect profiles
Tirzepatide vs Semaglutide
10,464 posts — both FDA-approved, head to head

Disclaimer: This report analyzes self-reported Reddit data and is not a substitute for clinical guidance. All trial data sourced from published NEJM studies. Gender inferred from pronoun and demographic language. See full methodology in the report appendix.