meta_pixel
Tapesearch Logo
Log in
The Tim Ferriss Show

#819: Rhonda Patrick, Ph.D. — Protocols for Fasting, Lowering Dementia Risk, Reversing Heart Aging, Using Sauna for Longevity (Hotter is Not Better), and a Few Supplements That Might Actually Matter

The Tim Ferriss Show

Tim Ferriss: Bestselling Author, Human Guinea Pig

Tools Of Titans, Lifestyle Design, Business, Tim Ferriss, Timothy Ferriss Show, Startups, Longform Interviews, Productivity, The 4-hour Workweek, Timothy Ferriss, Tim Ferris, The Tim Ferriss Show, Entrepreneurship

4.617.7K Ratings

🗓️ 23 July 2025

⏱️ 151 minutes

🧾️ Download transcript

Summary

Rhonda Patrick, Ph.D. (@foundmyfitness) is a biomedical scientist and the founder of FoundMyFitness, a platform dedicated to delivering rigorous, evidence-based insights on improving healthspan and mitigating age-related diseases.

Sponsors:

Helix Sleep premium mattresses: https://HelixSleep.com/Tim (27% off all mattress orders)

Momentous high-quality creatine and other supplements: https://livemomentous.com/tim (code TIM for up to 35% off)

David Protein Bars 28g of protein, 150 calories, and 0g of sugarhttps://davidprotein.com/tim (Buy 4 cartons, get the 5th free.)

Monarch Money track, budget, plan, and do more with your money: MonarchMoney.com/Tim (50% off your first year at monarchmoney.com with code TIM)

Timestamps:

[00:00:00] Start.

[00:04:54] Dealing with aging parents and other topics on the table.

[00:10:43] How a common multivitamin helps reverse cognitive and memory aging.

[00:12:04] The importance of supplementation — especially as we age.

[00:13:10] Effectively supplementing with omega-3 fish oil to counter APOE4 and Alzheimer's risks.

[00:16:50] The CoQ10 and omega-3 protocol that has helped Rhonda's father manage Parkinson's symptoms for nearly a decade.

[00:19:28] Sulforaphane: a potent NRF2 activator with an unexpected benefit for Rhonda's mother's tremors.

[00:25:34] How Rhonda convinced her mom to start CrossFit and the power of community-based, senior-focused fitness.

[00:26:52] The earlier the intervention, the better the outcomes.

[00:32:25] Intermittent fasting vs. extended fasting and my own results.

[00:44:31] Does fasting destroy muscle mass? Debunking the catabolism fear and understanding the crucial role of the re-feeding phase.

[00:57:24] "Dirty" fasting: what really happens to autophagy and metabolic benefits when you add a splash of cream or MCT oil to your coffee?

[01:00:44] VO2 max: the one metric that may predict lifespan more accurately than anything else, and how we work to improve it.

[01:12:07] How a two-year exercise program reversed heart aging by 20 years in previously sedentary, middle-aged adults.

[01:16:18] Lactate isn't the enemy: how vigorous exercise creates a superfuel that protects and grows the brain.

[01:20:30] The optimal sauna protocol (temperature and frequency) for slashing dementia risk by 66%.

[01:29:17] If you're human, you'll find a use for curcumin.

[01:30:43] Creatine for cognition: moving beyond the gym with a powerful, science-backed tool for focus and combating sleep deprivation.

[01:42:41] Still vitamin D deficient despite taking supplements? Here's the critical cofactor you're probably missing.

[01:53:52] Shocking sources of microplastics in our daily lives, including chewing gum and teabags.

[02:04:10] The uncomfortable truth about "moderate" alcohol consumption, cancer risk, and why the "sick quitter" hypothesis makes most older studies unreliable.

[02:17:03] The ups and downs of ketamine and psilocybin on cognition and longevity.

[02:24:19] Parting thoughts and where to find more from Rhonda.

*

Show notes for this episode: https://tim.blog/2025/07/24/dr-rhonda-patrick/

For show notes and past guests on The Tim Ferriss Show, please visit tim.blog/podcast.

For deals from sponsors of The Tim Ferriss Showplease visit tim.blog/podcast-sponsors

Sign up for Tim’s email newsletter (5-Bullet Friday) at tim.blog/friday.

For transcripts of episodes, go to tim.blog/transcripts.

Discover Tim’s books: tim.blog/books.

Follow Tim:

Twittertwitter.com/tferriss 

Instagraminstagram.com/timferriss

YouTubeyoutube.com/timferriss

Facebookfacebook.com/timferriss 

LinkedIn: linkedin.com/in/timferriss

See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Transcript

Click on a timestamp to play from that location

0:00.0

Hello, boys and girls, ladies and germs, this is Tim Ferriss, and welcome to another episode

0:04.5

of The Tim Ferriss Show, where it is my job to interview and deconstruct world-class

0:09.3

performers, but also sometimes to raid the learnings and toolkits and actionable takeaways

0:16.1

from people like scientists who are also implementing what they learn on themselves.

0:22.3

My guest today is one such person.

0:24.3

I had her on very early in the podcast game, and I've had her on multiple times.

0:29.9

Rhonda Patrick, PhD, here to share the latest and greatest.

0:33.4

She is a biomedical scientist and the founder of Found My Fitness,

0:37.2

a platform dedicated to delivering

0:39.2

rigorous, evidence-based insights on improving health span and mitigating age-related diseases.

0:45.6

She and I text offline a lot about all of this and more.

0:50.2

Through her podcast website and YouTube channel, reaching millions globally, she translates

0:54.7

complex science into actionable strategies for metabolic health, brain aging, and overall improved

1:01.1

health span. She is an associate scientist and board member at the Faddy Acid Research Institute,

1:06.4

where her work focuses on the role of omega-3 fatty acids in metabolic health and brain aging.

1:11.2

Her peer-reviewed publications have appeared in top-tier journals, including Nature Cell Biology,

1:17.1

the FASB journal, and experimental gerontology. You can find all things Rhonda Patrick PhD at

1:23.5

foundmyfitness.com, and you can find her on X and other places at Found My Fitness.

1:30.1

So just a few words from the folks who make this podcast possible, and then we'll get right

1:35.1

into this very wide-ranging and actionable conversation with Rhonda Patrick.

1:42.3

Creatine isn't just for muscle, it turns out. It's essential daily fuel for your brain, your

1:46.8

body, and long-term performance. For me, I have Alzheimer's and dementia risk in my family.

...

Please login to see the full transcript.

Disclaimer: The podcast and artwork embedded on this page are from Tim Ferriss: Bestselling Author, Human Guinea Pig, and are the property of its owner and not affiliated with or endorsed by Tapesearch.

Generated transcripts are the property of Tim Ferriss: Bestselling Author, Human Guinea Pig and are distributed freely under the Fair Use doctrine. Transcripts generated by Tapesearch are not guaranteed to be accurate.

Copyright © Tapesearch 2026.