Bronson Dant | Carbs vs. Ketogenic: A Response to Dr. Zaldivar | November 13, 2025 Ep. 37

Summary:

In this episode, I welcome back Bronson Dant to discuss the ongoing debate about the role of carbohydrates in athletic performance, particularly in contrast to ketogenic diets. Bronson challenges recent claims made by influencers about the necessity of carbs for muscle building and performance, emphasizing the importance of metabolic flexibility and individual dietary choices. The conversation delves into the science behind energy sources in exercise, the nuances of personal responses to diet, and the potential pitfalls of overconsumption of carbohydrates. Bronson advocates for a more nuanced understanding of nutrition that respects individual needs and experiences.

Find Coach Bronson:

Instagram: https://www.instagram.com/coach.bronson/

Website: https://coachbronson.com/

Takeaways:

Alex McDonald ran five marathons in five days, fasted.

Carbohydrates are not necessary for endurance performance.

Fat adaptation can support endurance without carbs.

Muscle building does not require carbohydrates.

Recovery and glycogen replenishment can occur without carbs.

Individual choice is key in nutrition.

Glycation from carbs can increase injury risk.

Fat oxidation is more stressful than carb oxidation.

Performance is similar on ketogenic and carb-based diets.

Tracking individual responses to carbs is essential.

Chapters:

00:00 Introduction to the Debate on Diets

02:09 Challenging Claims on Carbohydrates

05:56 Nuances of Individual Dietary Choices

09:55 The Role of Carbs in Athletic Performance

17:44 Metabolic Flexibility and Its Misconceptions

23:36 Research Insights on Ketogenic vs. Carb-Fueled Performance

31:31 Debunking Ketogenic Diet Myths

37:22 Performance Perspectives on Low-Carb Diets

42:25 The Role of Fat in Athletic Performance

48:55 Carbs vs. Ketosis: The Muscle Building Debate

59:44 The Role of Fasting and Body Fat in Energy Production

01:00:24 Carbohydrates and Recovery: Myths and Realities

01:01:27 Glycogen Replenishment: Fat Adaptation vs. Carb Fueling

01:02:11 Oxidative Stress: Carbs vs. Fats in Energy Production

01:05:58 Glycation and Injury: The Hidden Costs of Carbs

01:09:17 Individualized Nutrition: Finding Your Optimal Carb Intake

01:10:25 Fat Adaptation: Benefits and Cycling Carbs

01:17:47 The Importance of Fat Intake for Athletes

01:20:05 Personalized Nutrition: The Key to Success

01:21:33 Future Projects and Research in Nutrition

Keywords:

ketogenic diet, carbs, performance, muscle building, metabolic flexibility, exercise science, nutrition, athletic performance, influencer claims, dietary choices, endurance, carbohydrates, muscle building, recovery, nutrition, fat adaptation, performance, individual choice, glycation, health