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Sigma Nutrition Radio

SNR #211: Brianna Stubbs, PhD - Ketogenesis, Metabolism and Ketone Ester Supplementation

62 min • 30 december 2017

Brianna Stubbs, PhD

In 2016 Brianna completed her PhD in Metabolic Biochemistry at Oxford University. She also became a World Champion rower as part of the GB Rowing Lightweight Women's four person crew, and won 3 other World Rowing Championships medals. She has published peer-reviewed studies looking at ketone metabolism, ketone ester supplementation in athletes and effects of ketones on appetite.

In This Episode We Discuss:
  • Brianna's background as an elite-level rower
  • Her PhD research on ketone metabolism
  • Misconceptions about ketones (both endogenous and exogenous)
  • Ketogenesis: why do we make ketones?
  • Brianna's study examining effect of ketone ester supplementation on appetite and ghrelin levels
  • Who needs to even know their ketone concentration?
  • Ketone supplements: glycogen sparing or glycogen impairing?
  • Effect of ketone supplementation on fuel selection in endurance athletes
  • Potential for supplementation: where is the area we will most likely see some benefit?
  • Limitations of current literature base
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