New Food Guidelines: Progress or Missed Opportunity? Dr. Robert Lustig

In this episode of New Frontiers in Functional Medicine, Dr. Kara Fitzgerald speaks with Dr. Robert Lustig about the new USDA dietary guidelines and the broader forces shaping nutrition and metabolic health. Dr. Lustig brings a characteristically direct and nuanced perspective on sugar, ultra-processed foods, and food policy—raising important questions about what drives real change. It’s a thoughtful conversation that challenges assumptions and invites deeper reflection. Full show notes + references: GUEST DETAILS Robert H. Lustig, MD, MSL, is Emeritus Professor of Pediatric Endocrinology at UCSF and a neuroendocrinologist with expertise in obesity, metabolism, and nutrition. Known for his influential work on sugar and ultra-processed foods, Dr. Lustig focuses on improving metabolic health through food system reform, research, and advocacy. He is the author of Fat Chance, The Hacking of the American Mind, and Metabolical, and a leader with Eat REAL, Biolumen, SnapRecall, and Perfact. Website: Email: rlustigmd@gmail.com THANKS TO OUR DIAMOND SPONSORS DUTCH: Biotics Research: Time—Line Nutrition: EXCLUSIVE OFFERS FROM OUR SPONSORS Find out why MitoQ’s mitochondria-targeting is a critical step for your healthspan and longevity strategy. CONNECT with DrKF Want more? Join our newsletter here: Or take our pop quiz and test your BioAge! YouTube: Instagram: Facebook: DrKF Clinic: Patient consults with DrKF physicians including Younger You Concierge: Younger You Practitioner Training Program: Younger You book: Better Broths and Healing Tonics book:

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New Food Guidelines: Progress or Missed Opportunity? Dr. Robert Lustig is an episode from New Frontiers in Functional Medicine by Dr. Kara Fitzgerald - Functional Med & Longevity.

This episode is 01:08:13 long.

This episode was published on Mar 10, 2026.

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