The Perimenopause Compound 80% of Western Women Can't Make (Belly Fat, Brain Fog) | Siobhan Mitchell

The Perimenopause Compound 80% of Western Women Can't Make (Belly Fat, Brain Fog) | Siobhan Mitchell

From High Performance Health by Angela Foster

May 11, 2026 · 1h 4m · Episode 572

About this episode

Cynthia Thurlow discusses the complex factors contributing to belly fat in perimenopausal women, emphasizing the role of stress and hormonal changes.

If you are eating well, exercising, and still gaining belly fat, losing mental sharpness, and waking up exhausted, your mitochondria are likely the missing piece. This is not a willpower problem. It is a cellular energy problem, and it starts earlier than most doctors will tell you. In this episode, I sit down with Siobhan Mitchell, neuroscientist and mitochondrial health researcher, to explore how oestrogen loss disrupts mitochondrial function and why your gut microbiome plays a bigger role in oestrogen recycling than most women realise. We also cover S-Equol and why it is one of the most powerful compounds for perimenopause belly fat, brain fog, and night sweats. If you are looking for real answers on why your body feels different in your 40s and what you can actually do about it, this episode is for you. WHAT YOU’LL LEARN • Why belly fat shifts to your middle during perimenopause • How the estrobolome recycles estrogen through your gut microbiome • What S-Equol is and how it reduces brain fog, belly fat, and night sweats • The difference between estrogen alpha and beta receptors and why it matters • Why estrogen loss causes joint pain and frozen shoulder in perimenopause • How…

People in this episode

Host: Angela Foster

Guest: Cynthia Thurlow

Topics covered

  • perimenopause
  • belly fat
  • metabolic health
  • chronic stress
  • gut microbiome
  • hormonal changes

Keywords

  • perimenopause
  • belly fat
  • muscle loss
  • insulin sensitivity
  • gut microbiome
  • chronic stress
  • estrobolome

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