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

ClaudevalidationCollected Aug 29, 2026, 15:52 UTC

Verbatim response from Claude

Weight Loss on GLP-1 Medications

Typical Speed

  • First 3 months: 5-10% of body weight for most people
  • 6 months: 10-15% average
  • 12-18 months: 15-20%+ for many patients
  • Clinical trials for Wegovy (semaglutide) showed ~15% average loss over 68 weeks
  • Zepbound (tirzepatide) showed even stronger results — up to 20-22% in trials

Recommended Options to Discuss with Your Doctor

  • Wegovy – most established GLP-1 for weight loss
  • Zepbound – newer, dual GIP/GLP-1 agonist, often stronger results
  • Ozempic – technically diabetes medication but commonly prescribed off-label

The Sustainability Question — Be Honest With Yourself

  • Most people regain weight when stopping — studies show ~2/3 of lost weight returns within a year
  • These medications work best as long-term tools, not quick fixes
  • Sustainable results typically require staying on the medication plus lifestyle changes

Services That Can Help

  • Ro Body or Hims & Hers for telehealth prescriptions
  • WeightWatchers Clinic combines medication with behavioral coaching
  • Your primary care doctor is always a solid starting point

The medication is a tool — pairing it with nutrition and movement habits makes results last longer.

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