123. Why Isn't Everyone Talking About Mitochondria? with Jennifer Scheinman
From Why Isn't Everyone Doing This? with Emily Fletcher by Emily Fletcher
May 19, 2026 · 1h 8m · Season 5 · Episode 123
About this episode
Emily Fletcher interviews Jennifer Scheinman about the importance of mitochondria in health and aging.
Why Isn't Everyone Talking About Mitochondria? with Jennifer Scheinman Most people learned the word in 10th-grade biology and never thought about it again. That, argues registered dietitian and longevity expert Jennifer Scheinman, is exactly the problem. In this episode of Why Isn't Everyone Doing This?, Emily Fletcher sits down with Jennifer, a nutritionist with over 25 years of experience and a longevity expert at Timeline, the company behind the clinically studied Urolithin A supplement MitoPure, for a conversation that reframes everything from fatigue to aging to consciousness through the lens of your cells. Jennifer explains how the mitochondria work, why their decline accelerates in your 40s and 60s, and what you can actually do to slow that process. They cover the 12 biological hallmarks of aging, the cellular recycling system (mitophagy) that breaks down over time, why so many people can't produce Urolithin A on their own, and how to evaluate supplements in an industry the FDA doesn't fully regulate. They also connect it all to meditation, to stress, to perimenopause, and to the Greek myth of Persephone and the pomegranate. And at the very end: a fact about mitochondrial…
People in this episode
Host: Emily Fletcher
Guest: Jennifer Scheinman
Topics covered
- mitochondria
- aging
- nutrition
- cellular health
- longevity
- supplements
Keywords
- mitochondria
- longevity
- Urolithin A
- mitophagy
- cellular recycling
- nutrition
- aging
Mentioned in this episode
Organizations: Timeline
Products: MitoPure
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