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

ClaudevalidationCollected Jul 10, 2026, 09:33 UTC

Verbatim response from Claude

Weight Loss on GLP-1 Medications

Typical Results

  • Most people lose 1-2 lbs per week initially, slowing over time
  • Total loss over 12-18 months:
    • Ozempic/Wegovy (semaglutide): ~15-20% of body weight
    • Mounjaro/Zepbound (tirzepatide): ~20-25% of body weight (currently the strongest option)
    • Saxenda/Victoza (liraglutide): ~5-8% (older, less effective)

Sustainability - The Honest Answer

The medication works while you take it. Studies show:

  • Most people regain 50-66% of lost weight within a year of stopping
  • This is why many doctors consider it a long-term or lifelong treatment

Making It More Sustainable

  • Pair it with habit changes - the appetite suppression window is a real opportunity
  • Strength training helps preserve muscle mass during loss
  • Work with a program like Calibrate, Found, or Sequence that combines medication with coaching

Cost Consideration

  • Brand-name options run $900-1,300/month without insurance
  • Compounded versions are cheaper but face FDA scrutiny

Bottom line: Results are real and significant, but think of it as a long-term tool, not a short course. Talk to your doctor about your specific situation.

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