Podcast

The 6-Week Nutrition Reset I Use With Patients

Podcast · 27 min · Jun 3, 2026 · Dr. Brendan McCarthy

About this episode

This episode is about more than food. It's about understanding why we reach for certain foods, creating a realistic off-ramp from ultra-processed eating, and giving your body a chance to reset. If you've ever felt like you're doing everything right but still struggling with weight, energy, inflammation, or cravings, this episode is for you. Citation: Hall, Kevin D., et al. “Ultra-Processed Diets Cause Excess Calorie Intake and Weight Gain: An Inpatient Randomized Controlled Trial of Ad Libitum Food Intake.” Cell Metabolism, vol. 30, no. 1, 2019, pp. 67–77.e3. https://doi.org/10.1016/j.cmet.2019.05.008 — This is the cornerstone. Same calories, sugar, fat, fiber, and macros on both diets; people ate ~500 kcal/day more on the ultra-processed one and gained weight. It’s the strongest evidence that the processing, not just the nutrients, changes intake. Why fat + sugar together hijack reward more than either alone (the “hyperpalatable” mechanism) DiFeliceantonio, Alexandra G., et al. “Supra-Additive Effects of Combining Fat and Carbohydrate on Food Reward.” Cell Metabolism, vol. 28, no. 1, 2018, pp. 33–44.e3. https://doi.org/10.1016/j.cmet.2018.05.018 McDougle, Molly, et al. “Separate Gut-Brain Circuits for Fat and Sugar Reinforcement Combine to Promote Overeating.” Cell Metabolism, vol. 36, no. 2, 2024, pp. 393–407. https://doi.org/10.1016/j.cmet.2023.12.014 — Together these support your point that engineered fat-plus-sugar foods (the Doritos idea) light up reward pathways more than natural foods, because fat and sugar run on separate gut-brain circuits that combine. Why “glycemic velocity” matters — hidden refined starches like maltodextrin Hofman, Denise L., et al. “Nutrition, Health, and Regulatory Aspects of Digestible Maltodextrins.” Critical Reviews in Food Science and Nutrition, vol. 56, no. 12, 2016, pp. https://doi.org/10.1080/10408398.2014.940415 — Supports the egg-bite/maltodextrin point: maltodextrin is a refined starch with a glycemic index around 85–110, h

This content is for education and is not medical advice. It does not replace an evaluation with a licensed provider, and no one should start, stop or change a medication on its basis.

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