275. "Cutting refined carbs helped me train for a marathon": John

275. "Cutting refined carbs helped me train for a marathon": John

From Life After Sugar by Netta

April 19, 2026 · 34 min

About this episode

John shares his journey from a prediabetic lifestyle to training for a marathon through low-carb eating.

John grew up in Indiana eating Hungry Man dinners, boxes of sugary cereal, and green-frosted Ninja Turtle pies... and no-one ever told him sugar was a problem! By his early 30s he was pushing 290 pounds, prediabetic, and on blood pressure medication. After discovering low-carb eating and spending years experimenting with ketosis, John learned how to train his body to burn fat instead of sugar and refined carbs for fuel. John's wake-up call at age 46 led him to build Rebel Health A...

People in this episode

Host: Netta

Guest: John

Topics covered

  • low-carb eating
  • marathon training
  • ketosis
  • health transformation
  • weight loss

Keywords

  • refined carbs
  • sugar
  • fat burning
  • health
  • prediabetes
  • marathon
  • ketosis

Mentioned in this episode

Places: Indiana

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