What’s the best way to fuel strength, preserve muscle, and support body composition after bariatric surgery or on GLP-1s?
In this episode of In the Know with Nina, Dr. Nina Crowley is joined by Kim Tirapelle, MS, RD, CSSD—Bariatric Sports Dietitian and host of the Active Bariatric Nutrition Podcast. Together, they explore how post-op patients and individuals using GLP-1 medications can preserve lean mass, improve strength, and shift the focus from weight loss to body composition and performance.
This conversation breaks down how to tailor nutrition for an active lifestyle after bariatric surgery, what realistic protein and exercise goals look like, and when it makes sense to add supplements like creatine. Whether you’re a provider or a patient, this episode is packed with insight to help support strength, function, and a more holistic view of metabolic health.
Key Takeaways
• Protein needs vary based on activity, goals, and medical therapy—there’s no one-size-fits-all
• Resistance training is critical to preserve muscle and promote long-term health
• Creatine is safe, effective, and valuable when used alongside proper training and nutrition
• GLP-1 medications change appetite and intake—protein strategy must adapt
• Body composition tracking provides a more complete picture than weight alone
• Segmental muscle analysis and visceral fat measures help guide individualized care
About my Guest
Kim Tirapelle is a Registered Dietitian who specializes in Bariatric Sports Nutrition. She has been working with active bariatric individuals for the last 18+ years helping them optimize their nutrition to fuel their fitness goals after surgery. She also has a podcast, Active Bariatric Nutrition.
How to Connect:
Website: activebariatricnutrition.com
Instagram: @activebariatric
Podcast: The Active Bariatric Nutrition Podcast
