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Better Than Free: How To Differentiate In The Age Of AI - The Blog of Author Tim Ferriss The Tim Ferriss Show Transcripts: The Random Show — Tim and Kevin Talk Retreats, Mortality, AI Predictions, Supplements, Rock Climbing at (Almost) 50, and Not Waiting for “Someday” (#875) - The Blog of Author Tim Ferriss The Random Show — Tim and Kevin Talk Retreats, Mortality, AI Predictions, Supplements, Rock Climbing at (Almost) 50, and Not Waiting for “Someday” (#875) - The Blog of Author Tim Ferriss The Tim Ferriss Show Transcripts: Guy Oseary — The Legendary Hollywood Power Broker on 5-Minute Decisions, 36 Years of Managing Madonna, 26 IPOs, and Spotting Magic First (#874) - The Blog of Author Tim Ferriss Guy Oseary — The Legendary Hollywood Power Broker on 5-Minute Decisions, 36 Years of Managing Madonna, 26 IPOs, and Spotting Magic First (#874) - The Blog of Author Tim Ferriss The Tim Ferriss Show Transcripts: The “Divine Leaf” with 8,000+ Years of Use — Exploring the Many Benefits of Coca with Dr. Andrew Weil and Wade Davis (#871) - The Blog of Author Tim Ferriss The “Divine Leaf” with 8,000+ Years of Use — Exploring the Many Benefits of Coca with Dr. Andrew Weil and Wade Davis (#871) - The Blog of Author Tim Ferriss The Tim Ferriss Show Transcripts: Sebastian Mallaby, Biographer of Demis Hassabis — Lessons from 100+ AI Insiders on The Race to Superintelligence, The Religion of AI, and Spotting Breakthroughs Early (#870) - The Blog of Author Tim Ferriss Death by 1,000 Compromises: How to Tap Into Founder Mode - The Blog of Author Tim Ferriss Sebastian Mallaby, Biographer of Demis Hassabis — Lessons from 100+ AI Insiders on The Race to Superintelligence, The Religion of AI, and Spotting Breakthroughs Early (#870) - The Blog of Author Tim Ferriss Has AI Already Killed How-To Nonfiction? Sales Trends, My Personal Data, and What It Might Mean for the Future - The Blog of Author Tim Ferriss The Tim Ferriss Show Transcripts: Max Levchin, PayPal and Affirm — The Path from The Soviet Union to Building Multi-Billion Dollar Companies (Plus: Real-World Socialism vs. Capitalism) (#869) - The Blog of Author Tim Ferriss Max Levchin, PayPal and Affirm — The Path from The Soviet Union to Building Multi-Billion Dollar Companies (Plus: Real-World Socialism vs. Capitalism) (#869) - The Blog of Author Tim Ferriss The Tim Ferriss Show Transcripts: Tim’s Founder Kitchen — From Brainstorm to the President’s Office in Two Months (Featuring Jake Becraft, Strand Therapeutics) (#868) - The Blog of Author Tim Ferriss Tim’s Founder Kitchen — From Brainstorm to the President’s Office in Two Months (Featuring Jake Becraft, Strand Therapeutics) (#868) - The Blog of Author Tim Ferriss On The Importance of Desperate Customers - The Blog of Author Tim Ferriss The Tim Ferriss Show Transcripts: Sami Inkinen of Virta Health — Reversing Type 2 Diabetes, Rowing 2,750 Miles, and Lessons from Fixing Metabolic Health in 100,000+ People (#866) The Tim Ferriss Show Transcripts: The Most Incredible Transformation I’ve Ever Seen — Jerzy Gregorek on Autism, Cerebral Palsy, Coaching, and the Power of Micro-Progressions (#865) The Most Incredible Transformation I’ve Ever Seen — Jerzy Gregorek on Autism, Cerebral Palsy, Coaching, and the Power of Micro-Progressions (#865) - The Blog of Author Tim Ferriss The Practice of Self-Inquiry: 10 Questions for People Who Are Too Hard on Themselves - The Blog of Author Tim Ferriss The Tim Ferriss Show Transcripts: How to Simplify Your Life in 2026 — New Tips from Anne Lamott, Claire Hughes Johnson, David Yarrow, and Diana Chapman (#864) How to Simplify Your Life in 2026 — New Tips from Anne Lamott, Claire Hughes Johnson, David Yarrow, and Diana Chapman (#864) - The Blog of Author Tim Ferriss The Tim Ferriss Show Transcripts: Elad Gil, Consigliere to Empire Builders — How to Spot Billion-Dollar Companies Before Everyone Else, The Misty AI Frontier, How Coke Beat Pepsi, When Consensus Pays, and Much More (#863) Elad Gil, Consigliere to Empire Builders — How to Spot Billion-Dollar Companies Before Everyone Else, The Misty AI Frontier, How Coke Beat Pepsi, When Consensus Pays, and Much More (#863) How to Keep Your Brain Sharp: A Practical Playbook Beyond the Basics The Tim Ferriss Show Transcripts: Cathy Lanier, NFL Chief Security Officer — From Food Stamps to the Super Bowl War Room (#862) Cathy Lanier, NFL Chief Security Officer — From Food Stamps to the Super Bowl War Room (#862) The Tim Ferriss Show Transcripts: 4-Hour Workweek Success Story Brian Dean — From Dad’s Basement to Selling Two Companies (#861) 4-Hour Workweek Success Story Brian Dean — From Dad’s Basement to Selling Two Companies (#861) - The Blog of Author Tim Ferriss The Tim Ferriss Show Transcripts: Daredevil Michelle Khare — How to Become a YouTube Superstar, Open Impossible Doors (FBI, Secret Service, etc.), Craft Jedi-Level Cold Emails, and Use Fear-Setting to Change Your Life (#860) Daredevil Michelle Khare — How to Become a YouTube Superstar, Open Impossible Doors (FBI, Secret Service, etc.), Craft Jedi-Level Cold Emails, and Use Fear-Setting to Change Your Life (#860) The Tim Ferriss Show Transcripts: Q&A with Tim — The Upcoming AI Tsunami and Building Offline Advantage, Book Recommendations, Spotting Psychedelic Red Flags, Courage as a Learnable Skill, and More (#859) Q&A with Tim — The Upcoming AI Tsunami and Building Offline Advantage, Book Recommendations, Spotting Psychedelic Red Flags, Courage as a Learnable Skill, and More (#859) The Tim Ferriss Show Transcripts: The Random Show, Couch Edition! — Supplements, Hummingbirds, Cock Rings, Optimizing Mitochondria, Breathing and Balance Training, Cool Grip-Strength Tools, and More (#858) The Random Show, Couch Edition! — Supplements, Hummingbirds, Cock Rings, Optimizing Mitochondria, Breathing and Balance Training, Cool Grip-Strength Tools, and More (#858) The Tim Ferriss Show Transcripts: How to Simplify Your Life in 2026 — New Tips from Maria Popova, Morgan Housel, Cal Newport, Craig Mod, and Debbie Millman (#857) How to Simplify Your Life in 2026 — New Tips from Maria Popova, Morgan Housel, Cal Newport, Craig Mod, and Debbie Millman (#857) The Tim Ferriss Show Transcripts: Jim Collins — What to Make of a Life and How to Maximize Your Return on Luck (#856) Jim Collins — What to Make of a Life and How to Maximize Your Return on Luck (#856)
Sami Inkinen of Virta Health — Reversing Type 2 Diabetes, Rowing 2,750 Miles, and Lessons from Fixing Metabolic Health in 100,000+ People (#866) - The Blog of Author Tim Ferriss
Tim Ferriss · 2026-05-21 · via The Blog of Author Tim Ferriss

Sami Inkinen (@samiinkinen) is a Finnish-born, Stanford-trained entrepreneur and the founder and CEO/president of Trulia and Virta Health. Virta is on a mission to reverse metabolic disease in one billion people using technology, AI, and nutrition. Previously, Sami held roles at Microsoft, Nokia, and McKinsey & Company, after starting his career at a nuclear power plant in Finland. Sami holds an MS in engineering physics from the Helsinki University of Technology and an MBA from Stanford University.

A world-class endurance athlete, Sami is a triathlon age-group world champion and an 8-hour, 24-minute Ironman finisher, having completed the Hawaii Ironman World Championship seven times.

Sami also founded Fat Chance Row to raise awareness of the dangers of sugar and its connection to diabetes, rowing 2,750 miles from California to Hawaii with his wife—completely unsupported—while breaking a world record in the process.

Please enjoy!

The content of this episode is for informational purposes only. Neither Sami Inkinen nor Tim Ferriss is a medical professional, and nothing discussed here should be taken as medical advice or a substitute for consultation with a qualified healthcare provider.

This episode is brought to you by:

Sami Inkinen of Virta Health — Reversing Type 2 Diabetes, Rowing 2,750 Miles, and Lessons from Fixing Metabolic Health in 100,000+ People


Additional podcast platforms

Listen to this episode on Apple PodcastsSpotifyOvercastPodcast AddictPocket CastsCastboxYouTube MusicAmazon MusicAudible, or on your favorite podcast platform.


Transcripts

SELECTED LINKS FROM THE EPISODE

  • Connect with Sami Inkinen:

Website | LinkedIn | Instagram | Twitter

Companies, Products, and Tools

Sami Inkinen’s Writing

Books

People

Concepts, Protocols, and Drugs Referenced

Places, Institutions, and Events

Timestamps

  • [00:00] Start.
  • [01:45] How Sami uses 15 minutes every Sunday to outrun the universe.
  • [03:37] Virta: at a thousand employees and counting.
  • [04:15] The 5 a.m. boot-up: cold lake, core work, and emptying the dishwasher.
  • [06:45] Why mood follows movement before the brain even boots up.
  • [11:54] Saying no to 99% of what “normal people” do.
  • [19:29] The weekly architecture.
  • [20:29] Two direct reports: the case for radical subtraction.
  • [21:09] 553 CEO letters and the case for one scalable habit.
  • [32:36] The text-file life plan.
  • [33:32] The 15-year personal plan Sami stumbled into by accident.
  • [34:30] The four-pillar formula for not cracking in 26 years of founder life.
  • [38:20] What “white Japanese people” and beer steins in saunas have in common.
  • [45:55] Smoke saunas, löyly, and the one Finnish word worth knowing.
  • [48:37] The lean, ten-percent-body-fat triathlete who was quietly going prediabetic.
  • [53:07] Why 93% of American adults are metabolically unhealthy.
  • [56:05] Reversing type 2 diabetes the way Virta actually does it.
  • [1:00:17] Most surprising interventions.
  • [1:03:32] The pancreatic cancer trial that bought patients 35% more time.
  • [1:07:02] The McDonald’s protocol: how to reverse diabetes from the drive-thru.
  • [1:16:00] Why GLP-1 adherence collapses and Virta’s doesn’t.
  • [1:21:10] Vegans, tofu, and the hardest macronutrient to get right.
  • [1:25:27] The dose-response curve that lets perfect stop being the enemy of progress.
  • [1:29:32] VO2 max blocks: how Sami trains an 80+ engine without burning out.
  • [1:41:56] Hacking 10% off your running speed in four weeks.
  • [1:46:09] Progressive overload, specificity, and the case against the long ride.
  • [1:50:07] 45 days, three hours, and a contract to keep a marriage afloat.
  • [1:55:27] The lightning strike in the middle of the Pacific that started a family.
  • [2:01:15] The 36-year-old who bought his first car only because his wife made him.
  • [2:05:40] The book recommendation no one saw coming: Trejo.
  • [2:07:51] The PSA: chronic, progressive, and irreversible — three words Sami refuses.
  • [2:11:40] Parting thoughts.

SAMI INKINEN QUOTES FROM THE INTERVIEW

“Structure allows flexibility and spontaneity.”

— Sami Inkinen

“Mood follows movement and motion.”

— Sami Inkinen

“The biggest secret is saying no to 99 percent of the things that many people consider ‘normal’ so what you care [about] gets done.”

— Sami Inkinen

“Truck drivers, their concept of a lunch is McDonald’s. We can’t tell them, ‘Oh, here’s the list. Go shop Whole Foods or Erewhon, and then go home and cook at home.’ It’s like, ‘Okay, McDonald’s it is. We’re going to reverse your diabetes on McDonald’s diet.’ And by the way, we do that.

— Sami Inkinen

“The adherence of Virta patients, again, which are real Americans, not Samis, real Americans, is twice as high at one year as taking a GLP-1 drug. We have 83 percent adherence retention of patients at one year. And look at any of the publicly available data: people stick to GLP-1s like 40 percent, maybe 50 percent, 30 to 50 percent.”

— Sami Inkinen

“GLP-1s 100 percent affect your appetite. They change how much you eat, so you eat less, but they alone don’t change what you eat. … And if you don’t change what you eat, you’re not going to be perfectly or even optimally metabolically healthy.”

— Sami Inkinen

“Type 2 diabetes can be reversed systematically, not miraculously. And so hopefully I can be a messenger of hope that these conditions are reversible, especially after I already disclosed that I used to live thinking it’s your fault, it’s your fault, you are just lazy, you don’t have the willpower. But that’s not true. Nobody gets these things because they’re lazy or they decide. It’s because of our food environment. And the food environment kind of slowly but surely poisons us. But if you know a few little tricks and changes, you can actually turn back the clock.”

— Sami Inkinen

“The love language of American capitalism is dollars. And so when you can help someone else to make money, you’re going to be very, very successful.”

— Sami Inkinen


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This episode is brought to you by WealthfrontWealthfront is a financial services platform that offers services to help you save and invest your money. Right now, your cash can earn 3.30% APY—that’s the Annual Percentage Yield—with the Wealthfront Cash Account from its network of program banks. That’s 8 times more interest than a typical savings account at a bank, according to FDIC.gov as of 1/22/2026 (Wealthfront’s 3.30% APY vs. 0.39% average savings rate). Right now, for a limited time, Wealthfront is offering new clients that use my sign-up link an additional 0.75% boost over the base rate for three months, meaning you can get up to 4.05% APY, limited to $150,000 in deposits. Terms & Conditions apply. Visit Wealthfront.com/Tim to get started. 

The Cash Account, which is not a deposit account, is offered by Wealthfront Brokerage LLC (“WFB”), member FINRA/SIPC. Wealthfront Brokerage is not a bank. The 3.30% Base APY on cash deposits is as of January 30, 2026, is representative, subject to change, and requires no minimum balance. The overall boosted rate is subject to change if the base rate decreases during the three-month promotional period. Tim Ferriss, who’s not a client, receives cash compensation from Wealthfront Brokerage LLC for advertising and holds a non-controlling equity interest in the corporate parent of Wealthfront Brokerage LLC, which creates an incentive that results in a conflict of interest. Tim expresses his own opinions and Wealthfront does not endorse, sponsor, or promote them. This ad may not reflect the experience of other Cash Account clients, and similar outcomes are not guaranteed. Investment advisory services are provided by Wealthfront Advisers LLC, an SEC-registered investment adviser. Securities investments: not bank deposits, not bank-guaranteed or FDIC-insured, and may lose value. See full disclosures here


Want to hear another conversation about ketones, metabolic health, and what your devices might be missing? Listen to my conversation with ketogenic-diet researcher Dr. Dominic D’Agostino, in which we discussed the ketone measurement paradox of feeling sharp at low readings, the carburetor analogy for ketone production versus utilization, metabolic memory and becoming more fat-adapted over time, my 18-day keto experiment, intermittent fasting as a keto on-ramp, the glucose-ketone index sweet spot, post-meal walking and GLUT4 activation, one-week-per-month protocols, low-carb Mediterranean as the 80/20 minimum effective dose, and much more.