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The Diary Of A CEO with Steven Bartlett
The Diary Of A CEO with Steven Bartlett•September 8, 2025

The Diabetes Doctor: 80% Of Adults Are Heading For Chronic Disease! Keto’s Shocking Effect On Your Brain!

In this episode, Dr. Andrew Kutnik discusses the profound impact of diet, particularly the ketogenic diet, on metabolic health, highlighting how nutrition can be as powerful as medicine in managing chronic diseases like diabetes. Through his personal journey and extensive research, he explores how controlling glucose levels, reducing carbohydrate intake, and understanding metabolic responses can dramatically improve overall health, cognitive function, and performance.
Nutrition Science
Functional Medicine
Biohacking
Longevity & Anti-Aging
Steven Bartlett
Dr. Andrew Kutnik
Indeed
Mayo Clinic

Summary Sections

  • Podcast Summary
  • Speakers
  • Key Takeaways
  • Compelling StoriesPremium
  • Strategies & FrameworksPremium
  • Thought-Provoking QuotesPremium
  • Statistics & Facts
  • Additional ContextPremium
  • Key Takeaways TablePlus
  • Critical AnalysisPlus
  • Similar StrategiesPlus
  • Books & Articles MentionedPlus
  • Products, Tools & Software MentionedPlus
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Podcast Summary

In this episode, Dr. Andrew Kutnik, a researcher who reversed his own obesity and manages Type 1 diabetes through nutritional strategies, explores the transformative power of the ketogenic diet on both health and performance. He shares compelling research on how carbohydrate restriction can normalize glucose control in diabetics (02:28), improve cognitive function through ketone utilization (59:48), and enhance athletic performance contrary to conventional sports nutrition wisdom (47:00). Drawing from his decade-long self-study and work with thousands of patients, Dr. Kutnik reveals why stable blood sugar levels might be the most critical factor for long-term health (11:25), while offering practical strategies to navigate today's processed food environment and optimize metabolic health through therapeutic carbohydrate restriction.

Speakers

Dr. Andrew Kutnik

Metabolic researcher with over 15 years of experience who overcame obesity (255 lbs) and type 1 diabetes through ketogenic nutrition. Conducted the longest study of its kind on the ketogenic diet's impact on type 1 diabetes patients, published groundbreaking research on exogenous ketones, and authored studies on metabolic health. His work on glucose control and cardiovascular health has established him as a leading authority in therapeutic nutrition.

Steven Bartlett (Host)

Entrepreneur, investor, and host of The Diary of a CEO podcast with millions of listeners worldwide. Co-owner of ketone supplement company Ketone IQ and advocate for metabolic health optimization through ketogenic nutrition.

Key Takeaways

Become Your Own Health Detective

Don't outsource your health to others—become obsessed with understanding your own metabolic signals. Dr. Kutnik transformed his life by questioning standard advice and experimenting with continuous glucose monitors and insulin pumps. Track your body's responses to different foods and protocols, because (87:00) "you will never know the potential of its benefit or lack thereof if you don't try." Science shows averages, but you might be the outlier who responds dramatically differently than the norm.

Master the Glucose-Performance Connection

Your cognitive performance directly correlates with blood sugar stability. High glucose levels cause brain fog, fatigue, and irritability, while crashes create jittery anxiety and carb cravings. (20:00) The constant glucose rollercoaster from standard diets creates energy volatility that kills sustained focus. Professionals seeking peak mental performance should prioritize metabolic stability over convenient food choices—your next presentation depends on what you ate three hours ago.

Decode the Food Industry's Manipulation

Manufacturers deliberately combine sugar, salt, and fat to hijack your brain's reward system and drive overconsumption. (68:09) Even "healthy" foods like bacon and nut butters contain hidden sugars designed to increase palatability. Read every ingredient label like your career depends on it—because it does. The 70% of processed foods in grocery stores are engineered to make you always feel hungry and never satisfied.

Implement Strategic Carbohydrate Restriction

Therapeutic carbohydrate restriction can normalize the most powerful disease risk factor—HbA1c levels. (12:00) This isn't about eliminating nutrients; it's about removing the foods that spike glucose and insulin most dramatically. Focus on green leafy vegetables, quality proteins, and healthy fats while avoiding liquid calories, processed foods, and refined grains. Even dried fruits concentrate sugars to dangerous levels—treat them like emergency glucose tablets, not health foods.

Leverage Ketones for Cognitive Excellence

Ketones increase brain network stability by 87% compared to glucose, offering sustained mental fuel without energy crashes. (58:54) Whether through dietary ketosis or exogenous ketone supplements, this metabolic state enhances focus, decision-making, and information absorption. The military and elite athletes use ketone technology for cognitive and physical performance advantages—consider it your competitive edge in high-stakes professional environments.

Compelling Stories

Available with a Premium subscription

Strategies & Frameworks

Available with a Premium subscription

Thought-Provoking Quotes

Available with a Premium subscription

Statistics & Facts

  1. 50% improvement in how individuals read and absorb information through an undisclosed intervention, along with delayed progression of metastatic cancer progression. (01:03)
  2. 20% of children have obesity, which has quadrupled over the last 30 years. (02:32)
  3. 68% of America is obese, with insulin levels rising almost double immediately before symptoms appear. (07:05)
  4. Insulin sensitivity decreases by 34-35% in early stages of obesity. (07:42)
  5. 93% of Americans have some form of metabolic derangement according to multiple studies. (36:48)
  6. 99% of type 1 diabetes patients will never see normal metabolic control again for their life if following standard care. (28:52)
  7. Over 46,000 patients with type 1 diabetes analyzed showed 70% of those on very low carb diets normalized glucose control. (39:06)
  8. Sponsored jobs posted directly on Indeed have 45% more applications than non-sponsored jobs. (00:25)
  9. 24% of people listen to this podcast regularly. (03:14)
  10. Insulin requirements dropped substantially by over 40% when switching to ketogenic diet. (27:47)
  11. Ketones increased brain network stability by 87% greater than glucose consumption. (59:29)
  12. 20% decrease in appetite when taking exogenous ketones according to studies. (64:30)

Additional Context

Available with a Premium subscription

Key Takeaways Table

Available with a Plus subscription

Critical Analysis

Available with a Plus subscription

Similar Strategies

Available with a Plus subscription

Books & Articles Mentioned

Available with a Plus subscription

Products, Tools & Software Mentioned

Available with a Plus subscription

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