Liz Earle joins Tim Gray to break down why perimenopause often starts in your late 30s, the real difference between bioidentical and synthetic HRT, and why mitochondrial health is the master key to ageing well.

They explore why mitochondria run the show at a cellular level, why the separation of oral and medical care has cost women decades of unnecessary suffering, and why the three inputs your mitochondria need most have been free all along.

In this episode, we explore:

➡︎ Why mitochondria are the master key to ageing Liz explains why everything from energy production to DNA repair, hormone signalling and immune function runs through the mitochondria, and why looking after them is the most foundational thing you can do for longevity.

➡︎ The difference between body identical and synthetic hormones Liz breaks down why bioidentical or body identical hormones fit the cell receptor like a key in a lock, why synthetic hormones do not, and why virtually all modern HRT is now body identical and available on the NHS.

➡︎ Why perimenopause starts much earlier than most women think Tim and Liz discuss how perimenopause can begin in the late 30s, why symptoms are so easily misattributed to life stress, and why blood tests alone are an unreliable way to diagnose it.

➡︎ The three ancestral inputs mitochondria actually need Liz shares how light, living water, and grounded connection to the earth were the original mitochondrial inputs for human health, and why disconnecting from all three is quietly driving modern disease.

➡︎ Why the electric light bulb was one of the most destructive things to happen to human health Tim and Liz discuss how artificial light at night disrupted circadian rhythm, hormonal signalling, and cellular repair in ways we are only now beginning to understand.

➡︎ What 40 years in the wellness space changed her mind about Liz reflects on moving from pro-supplement to anti-supplement and back again, and why food-sourced, highly researched, mitochondria-specific supplements are now her focus.

Liz Earle is a bestselling author, broadcaster, and one of the most trusted voices in UK wellness. With over 40 years of research and writing across nutrition, hormones, longevity, and skincare, she has consistently been ahead of the curve on topics from gut health and bioidentical hormones to mitochondrial health and ancestral living. Her latest book, How to Age, brings together the science of thriving in your second half.


Connect with Liz Earle here:

Website: https://www.lizearle.com/

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


🎙️ This is the Health Optimisation Podcast with your host, Tim Gray, the UK's Leading Biohacker. This podcast brings you the latest in health optimisation, featuring experts and breakthroughs in nature, biohacking, technology, and longevity research. Join us to discover actionable advice for living longer and healthier.

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A huge thank you to Zenos for sponsoring this episode. 

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