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GLP-1 weight loss timeline estimator

See how much weight people lost on average over time in the major clinical trials, applied to your starting weight.

Your details

For education only. A licensed provider decides whether treatment is right for you.

31 lbs
average loss by week 68
  • Week 4: about 6 lbs lost
  • Week 12: about 15 lbs lost
  • Week 24: about 23 lbs lost
  • Week 36: about 27 lbs lost
  • Week 52: about 30 lbs lost
  • Week 68: about 31 lbs lost

STEP 1 trial (Wilding et al., NEJM 2021): adults on semaglutide 2.4 mg lost 14.9% of body weight on average at 68 weeks. The trial figures are for the highest studied dose. Weekly points are estimated from that average. Your results will vary.

BMI and GLP-1 eligibility →Enter your height and weight to see your BMI and whether you may qualify for GLP-1 weight loss treatment.Protein target →Eating enough protein helps protect muscle while you lose weight. Find your daily target and how to split it across meals.