Dr. Tamsin Lewis: On Becoming a New Mom, Plus Q&A – SHBG Levels in Athletes, Gluconeogenesis, Coke as Fuel, and More

November 17, 2014
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We are joined by Dr. Tamsin Lewis, who has some exciting news to share since we last spoke with her: she’s pregnant! Tamsin shares what it’s like for a female athlete to experience pregnancy for the first time and she gets very specific with the changes in her body and lifestyle including:

  • levels of hormones getting crazy
  • how she’s altering her exercise
  • changes to her diet/nutrition and what she has cut out
  • and more.

You can follow Tamsin’s blog at sportiedoc.com for updates and progress on her pregnancy!

Plus we also answer your questions on:

  • SHBG levels athletes and its relationship with sex hormones and testosterone.
  • Is high SHBG a cause for concern in athletes? (i.e. is high SHBG a normal result of training, or can it decrease T bioavailability)
  • What causes high SHBG?
  • Gluconeogenesis – turning non-carb sources to glucose for fuel.
  • Is gluconeogenesis from plant protein sources different than from animal protein?
  • Flat coke: should you incorporate it into regular training or save it for races? Do you need to adapt your body to using coke or is it really “magic” fuel?

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