What if the key to aging better is taking care of your body's batteries?
For 20% off all Timeline products, go to timeline.com/beyondtomorrow
Dr. Singh explains why mitochondrial health is becoming a major focus in longevity science. He unpacks the research behind urolithin A, how it supports cellular renewal, and why supplements should never replace the basics.
The conversation covers the habits that matter most, from exercise and sleep to fasting and gut health. They also explore how to separate real science from longevity hype.
Finally, they look ahead to the future of healthy aging, where better diagnostics, AI, and preventive medicine could help us stay healthier for longer, not just live longer.
Dr. Singh is the Chief Medical Officer at Timeline and a physician-scientist specializing in immunology, mitochondrial health, and longevity. His research focuses on translating cutting-edge science into evidence-based interventions that help people age healthier.
What You’ll Learn
Why mitochondrial health matters for longevity
How urolithin A supports healthy aging
The habits that have the strongest evidence
How to spot longevity hype
Where longevity science is headed next
⏱ Timestamps
00:00 Intro
00:14 Why Urolithin A Matters
02:20 The Best Ways to Boost Mitochondria
03:20 Can We Reverse Aging?
06:37 Why Your Immune System Ages First
08:20 Targeting the Hallmarks of Aging
10:53 Fifteen Years, One Mission
12:24 The Search for a Longevity Superfood
15:26 Do You Really Need Supplements?
17:58 Three Ways to Improve Mitochondrial Health
20:02 Creatine + Urolithin A Explained
21:41 What Early Users Reported
24:13 Where Skincare Meets Longevity
25:42 Why Longevity Takes Time
28:15 The Three Pillars of Healthy Aging
30:01 The Shift to Preventive Medicine
31:50 Why Mitochondria Are Going Mainstream
34:35 Mitophagy vs. Autophagy
35:38 How Antibiotics Affect Aging
37:49 Rebuilding Your Gut Microbiome
39:59 Prebiotics vs. Probiotics vs. Postbiotics
42:11 The Most Underrated Longevity Habit
43:30 The Gut-Brain Connection
45:04 Melatonin and Mitochondrial Health
45:58 The Biggest Longevity Myth
46:35 Why Metabolic Health Matters
48:19 When GLP-1 Drugs Make Sense
49:32 The Hidden Downsides of GLP-1s
51:12 What Centenarians Can Teach Us
52:48 Mitochondrial Health in 2031
54:17 If Tomorrow Is Your Last Day...
Connect with Dr. Singh
Website: https://www.timeline.com/
Connect with Julian
Instagram: https://www.instagram.com/thebeyondtomorrowpodcast/
Instagram: https://www.instagram.com/juliankissa/
LinkedIn: https://uk.linkedin.com/in/julian-issa
Website: www.beyondtomorrowpodcast.com
Email: bookings@beyondtomorrowpodcast.com
Subscribe on Spotify, Apple, and YouTube for more stories from the edge of what is possible.
