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How fast will I lose weight on GLP-1s and is it sustainable?

ClaudevalidationCollected Jun 25, 2026, 13:37 UTC

Verbatim response from Claude

GLP-1 Weight Loss: What to Expect

Typical Results

  • Average loss: 15-20% of body weight over 12-18 months with the most effective options
  • Most people lose 1-2 lbs per week early on, slowing over time
  • Results vary significantly based on dose, diet, and individual response

Specific Medications (Ranked by Effectiveness)

  • Tirzepatide (Zepbound/Mounjaro) – strongest option, avg ~20-22% body weight loss in trials
  • Semaglutide (Wegovy/Ozempic) – avg ~15% body weight loss
  • Liraglutide (Saxenda) – older, avg ~5-8%, less commonly prescribed now

The Sustainability Question (Be Honest With Yourself)

⚠️ Most people regain weight if they stop – studies show ~2/3 of weight returns within a year of discontinuing

To make it sustainable:

  • Treat it as a long-term or permanent medication, not a quick fix
  • Use the appetite suppression window to build lasting habits
  • Work with programs like Ro, Calibrate, or Found that combine medication with coaching

Where to Get Them

  • Hims/Hers, Ro, or your primary care doctor for prescriptions
  • Compounded versions are cheaper but face increasing FDA restrictions

The medication works best as a tool, not a solution by itself.

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