Gut Health, Energy & Brain Fog: Dr. Amy Shah on Microbiome, Ultra-Processed Foods, and Circadian Fasting

View This Week's Show Notes Start Your 7-Day Trial to Mobility Coach Join Our Free Weekly Newsletter: The Ambush Feeling tired after meals, battling brain fog, or wondering why your gut health feels off? Dr. Amy Shah — a double board-certified physician, nutrition expert, and bestselling author — reveals how your microbiome holds the key to energy, mood, and long-term wellness. In this episode of The Ready State Podcast, she breaks down the hidden impact of ultra-processed foods, the surprising role of microbes and dirt in childhood, and why circadian rhythms matter as much as diet. From understanding the “energy trifecta” to mastering her 30/30/3 rule, Dr. Shah shares simple, science-backed steps that make gut health practical and powerful. Tune in for clear, actionable insights to help you eat smarter, sleep better, and feel truly energized every day. What You'll Learn in This Episode Why ultra-processed foods confuse your brain and immune system How dirt, animals, and early exposure shape a child’s microbiome The truth about fermented foods — and which ones actually work What Dr. Shah calls the “energy trifecta” for boosting mood and focus Why most Americans aren’t getting nearly enough fiber How circadian rhythms (and when you eat) impact gut health A simple 30/30/3 rule to reframe your daily nutrition Key Highlights: (00:00) - Preview (01:06) - Intro (02:00) - Dr. Amy Shah’s Journey (08:58) - Ultra-Processed Foods (11:48) - Gut and Immune System Connection (18:15) - Benefits of Fermented Foods (21:21) - Energy Trifecta Explained (25:20) - Gut-Brain Connection Insights (31:51) - Momentous: Importance of Vitamin D (34:41) - LMNT: Benefits of Salty Morning (38:45) - Importance of Fiber in Diet (42:33) - Hunger, Appetite, and Cravings Explained (46:53) - Role of Circadian Rhythms (53:13) - Understanding Appetite (56:24) - Skin Health and Nutrition (1:00:50) - Food Allergies Overview (1:06:08) - Current Trends: Megan's Insights (1:08:23) - Benefits of Circadian Fasting (1:09:44) - Where to Find Dr. Shah (1:10:16) - Dr. Shah's Books Sponsors This episode of The Ready State Podcast is brought to you by Momentous , and LMNT .

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Gut Health, Energy & Brain Fog: Dr. Amy Shah on Microbiome, Ultra-Processed Foods, and Circadian Fasting is an episode from The Ready State Podcast by Kelly Starrett, Juliet Starrett.

This episode is 1:11:12 long.

This episode was published on Sep 18, 2025.

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