Why Weight Loss Stalls on GLP-1s — Even When You’re Doing Everything “Right

What happens when GLP-1 medications stop working the way you hoped they would? In this mailbag episode, Dr. Emily Cooper answers listener questions about fasting, insulin levels, PCOS, lipedema, plateaus on Zepbound, and the complicated reality behind metabolic dysfunction. From the dangers of under-fueling to why individualized treatment matters so much, this conversation unpacks the science behind weight resistance with clarity and compassion.Key Takeaways

• Why fasting and restrictive eating may worsen metabolic adaptation

• The real role insulin plays in metabolic health

• How PCOS and lipedema complicate weight loss treatment

• Why some people plateau on GLP-1 medications over time

• The importance of fueling, muscle preservation, and individualized care

Links & Resources

Podcast Home: fatsciencepodcast.com

Cooper Center for Metabolism: coopermetabolic.com

Resources from Dr. Cooper: coopermetabolic.com/resources

Join Our Community: patreon.com/cw/FatSciencePodcast

Submit Your Question: questions@fatsciencepodcast.com or dr.c@fatsciencepodcast.com

Fat Science is supported by the Diabesity Institute, a nonprofit dedicated to increasing access to effective, science-based metabolic care.

This podcast is for informational purposes only and is not intended as medical advice. Please consult with a qualified healthcare provider for personalized recommendations.