Respectful Disagreement in Sports Nutrition: What the Evidence Really Says With Dr Andrew Koutnik and Prof Paul Laursen

Respectful Disagreement in Sports Nutrition: What the Evidence Really Says With Dr Andrew Koutnik and Prof Paul Laursen

January 31, 2026

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Show Notes

Show notes

  1. Why this paper drew such strong reactions
    Which long-standing assumptions are being questioned, and why responses have been so polarized.
  2. Small vs large glucose pools
    The distinction between muscle glycogen and the glucose required to support brain energy during exercise.
  3. What performance studies actually show
    Why tightly controlled trials often fail to demonstrate consistent superiority of high-carbohydrate intake.
  4. Low-carbohydrate diets, keto, and adaptation
    Why time to adapt matters, and how short-term studies can misrepresent performance outcomes.
  5. Elite athletes and real-world context
    Where extreme endurance events may differ, and where many recreational and competitive athletes may overfuel.
  6. Health implications athletes can’t ignore
    Why performance and metabolic health don’t always align, and which questions still require careful investigation.

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