The Plant Free MD with Dr Anthony Chaffee

Episode 222: Athletes Perform BETTER On ZERO Carbs! | Professor Tim Noakes

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Jul 1, 2024
Professor Tim Noakes, a scientist known for supporting a low-carb, high-fat diet, discusses debunking carb necessity for athletes, advantages of keto adaptation, rise of low-carb diets in athletics, impact of high-carb diets on inflammation, and benefits of low-carb diets for athletes. He also explores critical thinking in education and healthcare.
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ANECDOTE

Personal Turnaround And Professional Cost

  • Noakes reversed his own type 2 diabetes after adopting a low‑carb, high‑fat diet and felt decades younger.
  • His public advocacy led to loss of funding, legal battles, but eventual exoneration and renewed research focus.
ADVICE

Measure VO2 And Substrate Use

  • Include interval and high‑intensity tests when evaluating dietary effects on athletes, not just steady endurance.
  • Measure VO2 and substrate use, because fat adaptation can support high‑intensity work.
INSIGHT

High Fat Oxidation At High Intensity

  • High fat–adapted athletes can oxidize large amounts of fat even at very high intensities.
  • Noakes' team measured record fat oxidation (≈1.5 g/min) at ~86% VO2max during hard intervals.
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