In this episode of The TRX Podcast, host Nathan D’Rozario sits down with Lisa Witzlib—former TRX facility owner turned Nurse Practitioner—to explore the intersection of fitness, clinical practice, and metabolic health.

Lisa shares her journey from leading one of Atlanta’s most respected TRX studios to launching her own medical practice focused on metabolic wellness. Together, they unpack the rising popularity of GLP-1 medications like Ozempic and Wegovy, the critical role of exercise in supporting long-term health outcomes, and why fitness professionals are more important than ever in today’s healthcare landscape.

Whether you're a coach, clinician, or curious about how movement can complement medical interventions, this episode is packed with insight, challenge, and inspiration.

🔗 Topics include:

Lisa’s transition from TRX coach to healthcare provider

What GLP-1s are and how they work

The physical toll of GLP-1 medications—and how exercise helps

Muscle loss, metabolic health, and strength training

The future role of fitness professionals in clinical care

Check out Lisa's website for further information - https://www.witzlibellison.com/

💛 A huge thank you to our sponsors who support The TRX Podcast and the wider TRX community:

Wattbike – Precision indoor cycling designed for data-driven training and peak performance. -

https://wattbike.com/

Myzone – Wearable heart rate technology that builds accountability and community through effort-based tracking.

https://www.myzone.org/

Lyfelinez – Clean, science-backed hydration and energy supplements that fuel active lifestyles.

https://lyfelinez.com/

Hyperice – Industry-leading recovery tools like the Hypervolt and Normatec, trusted by athletes and pros worldwide.

https://hyperice.com/en-GB/