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Energized with Dr. Mariza

693: Tired All the Time? It Might Be Hidden Problems With Your Mitochondria with Siobhan Mitchell

Energized with Dr. Mariza

Dr. Mariza Snyder

Medicine, Health & Fitness, Alternative Health

4.8 • 974 Ratings

🗓️ 11 November 2025

⏱️ 52 minutes

🧾️ Download transcript

Summary

Ready to boost your energy and future-proof your health? In this episode, I’m joined by expert neuroscientist Dr. Siobhan Mitchell, who breaks down why your mitochondria—the tiny powerhouses inside your cells—are the secret to healthy aging.  She explains how the perimenopause and menopause transition is not just hormonal, but a neuroendocrine shift that impacts your brain, mood, energy, AND vitality.  And even if you’re doing your best to bring on lifestyle recommendations for optimizing mitochondrial health, odds are you still need more support than just that in midlife. So, that’s where the supplement MitoQ comes into play.  As MitoQ’s Chief Scientific Officer, Dr. Mitchell reveals how this advanced antioxidant works deep inside your cells to enhance mitochondrial function, boosting mental clarity and long-term longevity.  Tune in and discover how to fuel your energy, elevate your mood, and embrace midlife feeling stronger than ever! Dr. Siobhan Mitchell  Siobhan Mitchell is the chief scientific officer of MitoQ. She completed her PhD at SUNY Albany and a post-doctoral fellowship on brain aging at the University of Washington. Siobhan has held roles at the three largest food companies in the world (Unilever, Nestle, and Pepsico), leading trials worldwide, which researched the effects of nutrition on cognitive decline, mood, and performance. She was also senior director at Noom, where she directed a team investigating chronic disease management, weight loss, and mental health digital programs using cognitive behavior therapy methods. IN THIS EPISODE Why mitochondria are a key contributing factor to aging  Preventing menopause symptoms in relation to brain changes  Research on estrogen levels in menopause for longevity  Lifestyle changes for enhanced cognitive functioning  The impact stress has on your mitochondrial function  How to notice if your mitochondria aren’t working well  How MitoQ supplementation boosts cell vitality and longevity  Ways to measure your mitochondrial function  QUOTES“You get these overactive mitochondria that are also producing energy and oxidative stress at much higher levels, and these oxidative stress mechanisms can also bring on faster aging through inflammation and things like that.” “[MitoQ] is basically helping protect your mitochondria from excessive oxidative stress. It gets into the mitochondria better than any other supplement on the market because it was especially engineered to have this tag that allows it to get into the mitochondria up to [about] 90%.” RESOURCES MENTIONED Order my new book: The Perimenopause Revolution https://drmariza.com/book Use code DRMARIZA and get 15% off your order of Silverbiotics https://silverbiotics.com/discount/drmariza Use code: ENERGIZED for 10% off your order of MitoQ here: https://www.tkqlhce.com/click-101585564-17030572 MitoQ on Instagram Siobhan on X  RELATED EPISODES  #688: Unlock Cellular Energy and Longevity with Urolithin A + Mitochondrial Optimization with  Jen Scheinman  #653: Mitochondria, Menopause & Metabolism: The Cellular Secret to More Energy After 40 with Dr. Felice Gersh #663: From Wired and Tired to Calm and Energized: The GABA-Mitochondria Connection + How to Fix It at the Cellular Level with Dr. Scott Sherr #623: Red Light Therapy for Upgrading Your Mitochondria, Cellular Energy, Skin and Brain Health with Jonathan Otto #690: The Perimenopause Revolution: Why midlife isn’t the end — it’s the beginning of your most energized, powerful, and vibrant self

Transcript

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0:00.0

Your energy and your kind of like overall body function can kind of go off a cliff very, very

0:07.8

quickly and you don't realize when that's starting to happen.

0:10.9

There's now a bunch of ways you can measure mitochondrial function.

0:14.6

The main drugs that seem to be associated with longer lifespan and women where all drugs are associated with estrogen use.

0:23.6

Welcome back to the energized with Dr. Marisa podcast.

0:27.7

I'm your host, Dr. Marisa, and I'm here to help you rock your hormones, optimize your metabolic

0:33.3

health, and feel energized in your body so that you can age powerfully and wake up feeling

0:39.2

amazing in your body for many years to come. Let's jump on in. Have you started for getting

0:44.4

words mid-sentence or waking up at 3 a.m. wired and anxious or gaining weight despite

0:50.3

eating the exact same or feeling like your brain and body are short-circuiting,

0:55.8

yet no one warned you.

0:57.8

These aren't character flaws.

1:00.0

They're not just in your head.

1:02.0

They're the real lived effects of perimenopause.

1:05.3

If this sounds familiar, you are not alone, and you're definitely not broken.

1:10.0

Your body is going through a profound hormone transition, and this is the revolution you've been waiting for.

1:16.8

I wrote the perimenopause revolution because I was right there where you are, confused, exhausted, and desperate for answers that didn't sound like, let's just wait it out.

1:26.5

This book is your science-backed, no-fluff guide to reclaiming your energy,

1:30.6

reviving your metabolism, clearing brain fog, and actually feeling like yourself again,

1:36.2

because you deserve it.

1:38.3

Inside, you'll learn why your metabolism shifts, why brain fog and muscle loss aren't just aging,

1:45.5

and how to turn this transition into your power move for the next 40 plus years. And when you order the perimenopause

...

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