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The Science: What Actually Works The research on preserving muscle during weight loss is clear
Retatrutide demonstrated significant body weight reduction in clinical trials, showing stronger results than many existing obesity treatment medications
The goal is finding the minimum effective dose that produces steady weight loss without intolerable side effects, not blindly following the escalation schedule to maximum dosing
IV
Injection Day 1 served as both the acute test and the first time point in the repeated-treatment timeline allowing evaluation of acute effects without requiring a separate acute-only experiment, minimizing animal use while preserving statistical power
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