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In this episode, Brittany Johnson, a senior scientist at GNC, discusses a recent study focused on the nutritional gaps in users of GLP-1 medications. The conversation covers the study's design, participant demographics, key findings regarding dietary intake, and recommendations for supplementation. Brittany emphasizes the importance of understanding the unique nutritional needs of GLP-1 users and the potential for future research in this area.

About Brittany:

Brittany Johnson, PhD, MS, RDN is a Senior Scientist at GNC Corporate Headquarters. She leads scientific affairs across key health and wellness categories, including weight management and active nutrition. Her work centers on clinical research, evidence-based claim development, and translating complex science to bridge the gap between research and consumer innovation. Dr. Johnson has conducted research with GLP-1 users and authored peer-reviewed publications on nutrient intake while using a GLP-1.

Read the full study here: https://www.frontiersin.org/journals/nutrition/articles/10.3389/fnut.2025.1566498/full

Summary of the findings: https://www.gnc.com/learn/diet/semaglutide-nutritional-gaps-clinical-study.html

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In this conversation, Dr. Chris Rhodes, a nutritional biochemist and fasting longevity researcher, discusses the science behind fasting and its potential to extend lifespan and improve health. He explains the role of metabolites in fasting benefits and introduces Mimio, a fasting mimetic supplement designed to replicate the positive effects of fasting without the need to actually fast. The discussion also covers the implications of fasting for women, the connection between fasting and GLP-1, and the future of fasting research.

Learn more about Dr. Rhodes and Mimio:

Dr. Chris Rhodes is a PhD in Nutritional Biochemist and fasting for longevity researcher who has spent his career unraveling the mysteries behind intermittent fasting and its incredible ability to optimize health and extend lifespan. 

During his 8 years of clinical research into prolonged fasting, Dr. Rhodes discovered an uptick specifically in a unique set of molecules that are produced in the body only during long periods of fasting and that these “fasting metabolites” could be used to recreate the beneficial effects of fasting without actually needing to fast. 

To share this breakthrough with the world, Dr. Rhodes co-founded Mimio Health, a biotech company creating first-of-their-kind biomimetic supplements designed from human biology to optimize health, slow aging, and enhance longevity.

Mimio Health: https://mimiohealth.sjv.io/qzNYxn

Dr. Rhodes TikTok: https://www.tiktok.com/@thatnutritiondr?lang=en

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In this episode of the GLP-1 Hub podcast, Ana Reisdorf and Carrie Forrest discuss their personal experiences with GLP-1 medications, focusing on the challenges of managing PCOS and perimenopause. 

They explore the impact of GLP-1 on weight management, mental health, and community support, while addressing misconceptions surrounding weight and health. The conversation highlights the importance of compassion in understanding individual health journeys and the promising future of GLP-1 in women's health.

About Carrie:

Carrie Forrest has a master’s degree in public health with a specialty in nutrition. She is also a certified holistic nutritionist who runs the popular food blog, Clean Eating Kitchen.

Carrie is passionate about women’s health issues and is herself a survivor of thyroid cancer, autoimmune disease, PCOS, and migraines. She is a GLP-1 user and is writing a book about how women can thrive on GLP-1 medications using nutrition, lifestyle, and holistic strategies.

Connect with Carrie: https://www.cleaneatingkitchen.com

Instagram: https://www.instagram.com/cleaneatingcarrie

Get her FREE GLP-1 meal planning cheat sheet:  https://mailchi.mp/cleaneatingkitchen.com/clean-eating-on-a-glp-1-weight-loss-medication

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In this episode, Ana Reisdorf speaks with Josh Sanders, the director of pharmacy at OnSiteRx, about the complexities of pharmacy benefits managers (PBMs) and their impact on drug pricing, particularly for GLP-1 medications like Ozempic, Mounjaro, or Zpebound. 

They discuss the role of PBMs in formulary management, the use of copay cards, the implications of compounding pharmacies, and the challenges posed by prior authorizations. The conversation also touches on the future of GLP-1 medications, concerns over their widespread use, and the importance of advocating for oneself in the healthcare system.

About Josh:

Josh Sanders, PharmD is a seasoned professional with over a decade of experience in optimizing pharmacy operations and delivering significant cost savings within complex healthcare environments. As the Director of Pharmacy at On-Site Rx, he leads strategic oversight for ten pharmacies across four states and advises large self-funded employers on benefits design. His expertise spans clinical guidance, operational efficiency, and navigating the evolving landscape of pharmaceutical care.

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Visit our GLP-1 Hub store:

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Get our FREE 7-day meal plans for GLP-1:

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In this episode of the GLP-1 Hub podcast, I interview Gretchen Zimmermann, a registered dietitian and VP of clinical strategy at Vida Health. We discuss the role of GLP-1 medications in diabetes and obesity management, the challenges of healthcare costs for employers, and the importance of personalized nutrition. Gretchen emphasizes the need for responsible prescribing and the role of registered dietitians in supporting patients on GLP-1 medications. The conversation also touches on the future of these medications and the importance of addressing health equity issues when it comes to access to these medications. 

About Gretchen:

Gretchen Zimmermann, MBA, RD, LD, CDCES, CSOWM, is a registered dietitian, certified diabetes care and education specialist, board-certified obesity and weight management specialist, and VP of Clinical Strategy at Vida Health. As Clinical Strategist for an integrated digital health solution focusing on cardiometabolic conditions, Gretchen has led the development and growth of key clinical verticals and diabetes and obesity management programs, using evidence-based medicine and clinical interventions to inform best-in-class clinical care. 

Gretchen has over 15 years of experience in healthcare and has specialized in bariatric nutrition, weight management, and diabetes in various inpatient and outpatient settings. Gretchen is interested in the intersection of physical health and mental health, particularly related to patients with diabetes and other chronic conditions. 

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In this episode of the GLP-1 Hub podcast, host Ana Reisdorf and guest Dana Fryer discuss the use of GLP-1 medications in oncology patients, focusing on weight management, nutrition education, and the challenges faced by patients undergoing cancer treatment. They explore the spectrum of patient experiences with GLP-1, the importance of protein in the diet, and the barriers related to insurance coverage for these medications. The conversation also highlights the unique nutritional needs of cancer survivors and the future of GLP-1 in cancer treatment.

About Dana: 

Dana J. Fryer, MS, RDN, CNSC, is a Boston-based Registered Dietitian Nutritionist and the owner of Dana J. Fryer Nutrition LLC. She holds a Master's degree in Nutrition from Boston University and completed her clinical training at Boston Medical Center. Dana specializes in weight management, oncology, and chronic disease prevention and management. In addition to her clinical practice, she tutors dietetic students preparing for the registered dietitian exam and hosts the "Dietetics with Dana" podcast.

Website: https://danajfnutrition.com

Instagram: @danajfnutrition

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In this inspiring episode, Barb Herrera shares her incredible journey of losing 280 pounds and reclaiming her life. From her early struggles with obesity and mental health to the transformative changes brought about by GLP-1 medication, Barb discusses the physical and emotional challenges she faced. She emphasizes the importance of community support, the reversal of multiple health conditions, and her mission to empower others on similar journeys. With a newfound joy for life, Barb reflects on her experiences and the profound impact of her weight loss on her relationships with family and friends.

Connect with Barb: 

Website: HealthAtAnyCost.com

YouTube: https://www.youtube.com/@HealthAtAnyCost

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In this episode of the GLP-1 Hub podcast, Ana Reisdorf interviews Sheila Patterson, a registered dietitian and diabetes educator. They discuss Sheila's journey into the field of nutrition, the role of technology in diabetes management, and the impact of GLP-1 medications on patients' relationships with food. 

Sheila shares insights on the challenges patients face in accessing diabetes medications, the importance of nutrition education, and the need for a comprehensive approach to diabetes care. The conversation highlights the significance of meal frequency, portion control, and the psychological aspects of food intake, particularly for those using GLP-1 medications.

Connect with Sheila Patterson, RD

Website: The Sugar Dietitian

Instagram: @thesugardietitian

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Trigger warning; Discussions of suicide and mental health concerns.

In this conversation, Dr. Eric J. Rosenbaum discusses the transformative role of GLP-1 medications in weight loss and diabetes management. He emphasizes the importance of nutrition alongside these medications. We discuss the use of a product called Almased, a unique supplement that aids in weight management while preserving muscle mass. The discussion also covers the impact of GLP-1 on fatty liver disease, blood sugar regulation, and mental health, as well as the future of obesity treatments and the need for a comprehensive nutritional approach.

About Dr. Rosenbaum

Eric Rosenbaum, MD is a board-certified physician specializing in precision sports medicine, anti-aging medicine, and functional wellness. A graduate of Yale University, Dr. Rosenbaum completed his medical residency at Harvard Medical School/Spaulding Rehabilitation Hospital and pursued additional training at Cornell’s MBA/MS Healthcare Leadership program.

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Visit our GLP-1 Hub store:

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In this episode of the GLP-1 Hub podcast, I interview Michelle, a GLP-1 user who shares her personal journey with PCOS and eating disorder recovery. Michelle discusses her experiences with various treatments, including GLP-1 medications, and how they have impacted her health and recovery. 

The conversation highlights the importance of finding supportive healthcare providers, navigating insurance challenges, and the unexpected positive effects of GLP-1 on food obsessions and body image. Michelle emphasizes the need for patient autonomy and the significance of listening to one's body throughout the treatment process.

Visit our GLP-1 Hub store:

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Get our FREE 7-day meal plans for GLP-1:

7-Day Meal Plan

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Want to connect more with GLP-1 Hub?

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*Some of the links shared are affiliate links. When you make a purchase, I will receive a small commission at no cost to you. Thank you for supporting the show.