Why ADHD Changes How You Eat: Brain, Gut & Food Sensitivities

Clinical neuroscientist and nutrition researcher Dr Miguel Toribio-Mateas returns to The Hidden 20% to challenge one of the most persistent myths in ADHD: that it’s just about the brain.

In this conversation, Ben and Dr Miguel explore ADHD through a whole-body lens - from nervous system regulation and eating patterns to capacity, sensory sensitivity and the gut–brain axis.

They unpack why food isn’t just fuel but a regulatory tool, why so many ADHDers struggle with inconsistent eating, and why “just eat better” advice often misses the point entirely. The conversation then goes deeper into why the same food can feel fine one day and intolerable the next, and how what we often label as “food sensitivities” may actually be linked to stress, overload and nervous system state.

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Host: Ben Branson

Production Manager: Phoebe De Leiburné

Video Editor: James Scriven

Social Media Manager: Charlie Young

Music: Jackson Greenberg

Head of Marketing: Kristen Fuller

00:00 Introduction: ADHD Beyond The Brain

01:42 Why ADHD Is a Nervous System Condition

05:18 Fight, Flight, Freeze: ADHD & Regulation

09:12 Why Food Impacts ADHD More Than You Think

13:40 ADHD Eating Patterns: Skipping, Binging & Dopamine

18:25 Why “Just Eat Better” Doesn’t Work for ADHD

22:10 Regulation Before Optimisation: Rethinking Food

26:30 Simple Food Changes That Support ADHD Brains

31:05 Food, Mood & Energy Crashes Explained

35:22 Why The Same Food Feels Different Day to Day

38:40 Understanding Capacity in ADHD

42:15 Sensory Sensitivity, Stress & The Body

45:50 The Gut–Brain Axis Explained Simply

49:10 “Food Sensitivities” vs Nervous System Overload

53:05 Stress, Digestion & ADHD Explained

56:10 What Actually Helps: Supporting Regulation First

59:30 Dr Miguel’s Green Dot Badge

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