High Performance Health

Most women doing everything right in perimenopause still feel exhausted, foggy, and frustrated by belly fat that won't shift. This is not a willpower problem. It is an estrogen problem, and most women are being told to wait when they should be acting now.

In this episode, I sit down with Dr. Robin Berzin, founder of Parsley Health, to explore why belly fat accumulates around the middle as estrogen shifts, why 43% of ADHD diagnoses in women hit between 41 and 50, and why estrogen loss drives brain fog and dopamine decline that most doctors are missing. Dr. Berzin also makes the case for starting hormone therapy early and shares what data from 120 million women tells us about HRT, dementia risk, and long-term protection for your brain, bones, and heart.

WHAT YOU’LL LEARN

• Why brain fog gets worse in perimenopause

• The link between estrogen, dopamine, and focus after 40

• Why so many women are being diagnosed with ADHD in their 40s

• The early signs of perimenopause 

• How HRT reduce the risk of dementia and Alzheimer's in women

• How low progesterone affects your sleep, skin, and mood

• How to track perimenopause symptoms and labs over time

• How magnesium helps with ADHD, anxiety, and sleep in perimenopause

• How zone two cardio and yoga improve focus and brain function after 40

VALUABLE RESOURCES

• Take the BioSyncing Quiz to help you understand what’s actually happening in your body — and how to fix it.

👉 https://biosyncing.scoreapp.com/

This episode is brought to you by Timeline.

Support your mitochondrial health: Timeline Mitopure delivers Urolithin A at the clinically studied dose to support cellular renewal and energy production, helping counter the natural decline in mitochondrial function that comes with age..* Get 10% off Mitopure when you visit http://timeline.com/ANGELA  and use code ANGELA.

*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.

ABOUT THE GUEST

Dr. Robin Berzin is a functional and longevity medicine physician and founder and CEO of Parsley Health. She specialises in helping women overcome chronic conditions through personalised, root-cause medicine that addresses the underlying cause rather than managing symptoms alone.

Website: https://robinberzinmd.com/Parsley Health

https://www.parsleyhealth.com/Instagram

https://www.instagram.com/robinberzinmd/?hl=en

Dr. Mary Claire Haver, a board-certified obstetrician-gyneacologist, explores the physical and biological shifts women experience during perimenopause and menopause. She discusses the common issue of visceral belly fat and its health implications, emphasising the importance of an anti-inflammatory diet rich in fibre and whole foods over a weight-centric focus. 

Dr. Haver also addresses digestive changes like bloating, linked to a shifting gut microbiome, and offers guidance on essential supplements such as Vitamin D, fibre, and creatine to support long-term health and muscle maintenance.

WHAT YOU’LL LEARN


The biological cause of belly fat: Understand how hormonal fluctuations during menopause lead to a natural shift in body composition and the accumulation of visceral fat.


How the gut microbiome changes: Discover the relationship between menopause and digestive symptoms like bloating as the gut's bacterial profile begins to shift.


Dietary strategies for hormonal health: Learn the benefits of an anti-inflammatory, plant-based diet and the specific role of fibre in managing menopausal symptoms.


The role of key supplements: Identify which supplements, like Vitamin D, magnesium, and creatine, can effectively support health goals when paired with a balanced lifestyle.

VALUABLE RESOURCES

• Take the BioSyncing Quiz to help you understand what’s actually happening in your body — and how to fix it.

👉 https://biosyncing.scoreapp.com/

A BIG thank you to our partner who makes the show possible:
• Timeline – Support your mitochondrial health and muscle strength with Mitopure®, the only clinically validated Urolithin A supplement backed by 15+ years of research. Use code ANGELA for 20% off 👉 https://www.timeline.com/promotions/exclusive-offer-for-angela-foster-s-community

If you're in midlife and doing everything right but still battling fatigue, brain fog or bloating, this episode will change how you think about why.

I'm joined by Jessica Kane, cellular health expert and co-owner of Body Bio, to explore how cell membrane health drives energy, hormone signalling, and gut function, and what you can actually do to improve them.

This is a grounded, science-backed conversation for women who want to feel like themselves again.

WHAT YOU’LL LEARN

• Why perimenopausal women feel tired even when they’re doing everything right

• What causes brain fog in midlife women and how to improve focus and mental clarity

• Why bloating gets worse in perimenopause

• How gut health affects hormones, mood and energy in women over 40

• How poor cellular health can make perimenopause symptoms worse

• Why HRT works for some women but not others

• How stress and cortisol affect weight gain, cravings and resilience in midlife

• What butyrate does for bloating, blood sugar and gut health

• How healthy fats support hormones, skin, brain health and energy in midlife

TIMESTAMPS:00:00 Why Busy Women Over 40 Are Always Exhausted

09:21 Why You're So Bloated in Perimenopause and How Butyrate Fixes It

15:33 How Phosphatidylcholine Clears Brain Fog After 40

29:43 How to Actually Sleep Through the Night After 40

34:16 Are You Taking Too Much Fish Oil? What Women Over 40 Get Wrong

39:42 Can the Right Fats Flush Microplastics Out of Your Body?

45:45 Why Your Hormones Feel Off Even When Blood Tests Say You're Normal

56:12 The B Vitamin Mistake Most Women Make in Midlife

VALUABLE RESOURCES

• Take the BioSyncing Quiz to help you understand what’s actually happening in your body and how to fix it.

👉 https://biosyncing.scoreapp.com/

A BIG thank you to our partner who makes the show possible:• BodyBio - Support your cellular health from the inside out with BodyBio PC, a science-backed phosphatidylcholine supplement trusted by over 35,000 healthcare practitioners to support cell membrane integrity, brain function, energy production, and detoxification. Backed by three generations of research. 

👉Use code ANGELA for 15% off

UK - https://bodybio.co.uk/ANGELA

US - https://bodybio.co.us/ANGELA

ABOUT THE GUEST

Jessica Kane is the co-owner of BodyBio, a third-generation family business focused on cellular health, and is passionate about translating complex science into practical tools that help women improve energy, resilience and overall wellbeing.

Website: https://www.bodybio.com

Instagram: https://www.instagram.com/jesskane/

Dr. William Li explores the fascinating science of brown fat, a specialised type of fat that acts like a cellular furnace to burn off harmful visceral fat. He reveals how a simple daily habit, like eating a single ripe tomato an hour before lunch, can trigger this fat-burning mode, potentially shrinking waistlines and reducing inflammation. 

From the historical discovery of brown fat in hibernating animals to modern breakthroughs in PET scan technology, Dr. Li explains how we can use elemental eating and cold exposure to optimise our metabolism and reclaim our health.

WHAT YOU’LL LEARN

Eating one ripe tomato a day, particularly an hour before lunch, has been shown to activate brown fat and can lead to a reduction in visceral fat and waist circumference.

Brown fat is packed with mitochondria that burn fuel to generate heat, especially when activated by certain foods or cold temperatures.

Tomatoes are rich in bioactives like lycopene and beta-cryptoxanthin, which are absorbed into the bloodstream and directly fire up brown fat cells.

Returning to a diet of whole, unprocessed foods allows the body to take full advantage of its natural metabolic hardware.

VALUABLE RESOURCES

• Take the BioSyncing Quiz to help you understand what’s actually happening in your body — and how to fix it.

👉 https://biosyncing.scoreapp.com/

A BIG thank you to our partner who makes the show possible:
• Timeline – Support your mitochondrial health and muscle strength with Mitopure®, the only clinically validated Urolithin A supplement backed by 15+ years of research. Use code ANGELA for 20% off 👉 https://www.timeline.com/promotions/exclusive-offer-for-angela-foster-s-community

Women’s gut is not just a digestive organ. In perimenopause, it is the control centre for your hormones, your mood, your weight, and your brain.

If you are bloated, exhausted, gaining weight around your middle, this episode explains what is actually happening in your gut during perimenopause and what you can do to fix it.

 WHAT YOU'LL LEARN

• Why is my gut health getting worse in perimenopause?
• Why am I suddenly bloated all the time after 40?
• What causes food sensitivities in perimenopause?
• Does leaky gut cause weight gain in menopause?
• How does cortisol cause belly fat in women over 40?
• Does HRT improve gut health and the microbiome?
• The link between anxiety, mood swings, and gut health in perimenopause
• How fibre helps with oestrogen balance and bloating after 40
• What is TUDCA and should women in perimenopause take it?
• What causes fatigue and low energy in perimenopause?

 

TIMESTAMPS

00:00 The Link Between Gut Health & Perimenopause
12:27 Why Anxiety Gets Worse in Perimenopause
19:04 Why Women Lose Energy After 40 and How to Get It Back
29:00 The Real Reason Belly Fat Increases in Perimenopause
36:04 Fiber and the Estrobolome: The Key to Balancing Estrogen After 40
41:46 Sudden Food Sensitivities After 40? This Is What's Happening in Your Gut
50:16 What Causes Bloating in Perimenopausal Women
55:16 Does HRT Help Your Gut Microbiome in Menopause?
01:04:39 The Health Habits That Keep High Achieving Women Thriving After 40

VALUABLE RESOURCES

• Take the BioSyncing Quiz to help you understand what’s actually happening in your body — and how to fix it.

👉 https://biosyncing.scoreapp.com/

This episode is brought to you by Timeline.

Support your mitochondrial health: Timeline Mitopure delivers Urolithin A at the clinically studied dose to support cellular renewal and energy production, helping counter the natural decline in mitochondrial function that comes with age..* Get 20% off Mitopure when you visit http://timeline.com/ANGELA  and use code ANGELA.

 

*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.`

ABOUT THE GUEST

Cynthia Thurlow, NP is a nurse practitioner and metabolic health expert specialising in personalized nutrition and holistic healing for women, with a focus on bio-individuality and helping each woman find the approach that works for her unique physiology.

 

🌐 Website: https://www.cynthiathurlow.com/

📸 Instagram: https://www.instagram.com/cynthia_thurlow_/
📺 YouTube: https://www.youtube.com/cynthiathurlow