The Diary Of A CEO with Steven Bartlett Insulin Doctor: This Is The First Sign Of Dementia! The Shocking Link Between Keto & Brain Decline!
Nov 24, 2025
01:51:51
No.1 Keto Doctor DR. ANNETTE BOSWORTH reveals how to reverse insulin resistance, cut belly fat, avoid early dementia, why eating late spikes glucose, and the sardine-only reset for ketosis.
Dr Annette Bosworth, commonly known as Dr Boz, is an internal medicine doctor with over 2 decades of experience, who helps reverse medical problems through healthy Keto living. She educates the audience on her YouTube platform ‘Dr Boz’ and is the bestselling author of several books, including, ‘KetoCONTINUUM: Consistently Keto Diet for Life’.
She explains:
◼️How keto done wrong can actually damage your brain
◼️The fastest way to generate ketones and reduce inflammation
◼️Why breakfast is the most dangerous meal for insulin resistance
◼️The simple test that tells you if your brain is running on fat or sugar
◼️The science behind the “Dr. Boz Ratio” and how it predicts healing
(00:00) Intro
(02:16) What Made You Who You Are Today?
(03:23) Medicine 2.0 (Fixing) vs Medicine 3.0 (Preventing)
(04:17) Predicting Chronic Illness 10 Years Before You Get It
(08:29) Best Time to Eat
(13:05) The Biggest Issue With Insulin Resistance
(14:27) Scary Signs You Have Excess Insulin
(18:35) Check for Skin Tags and Hairless Toes
(20:42) My Patients Reversed Grey Hair on Keto
(21:40) How to Measure Your Ketone Levels
(23:15) Benefits of Being in Ketosis
(25:19) Brain Differences on a Keto Diet vs Not
(27:38) How Long Did It Take Annette to Achieve Ketosis?
(31:14) Weightlifting on Keto
(32:38) Improvements in Strength and Power
(34:16) Can Keto Help Neurodegenerative Diseases?
(38:39) Testing Steve's Ketones and Blood Sugar
(41:06) Testing Dr. Boz's Ketones
(42:37) How Cortisol Affects Metabolism
(43:41) Jack's Ketone Levels
(45:13) Do I Need to Fully Cut Carbs?
(46:27) My Mum's Cancer Journey
(47:32) 12 Steps to Get Into a Consistent Ketogenic State
(51:33) The Difference Between Men and Women on Keto
(54:49) The Sardines Challenge to Start Keto
(57:31) What Macros Do I Need to Get Into Ketosis?
(58:07) Grocery List for a Keto Diet
(59:15) What About Net Carbs?
(59:36) Woman Who Ate Only Sardines for 30 Days
(1:02:58) Will High Fat Affect the Gut Microbiome?
(1:06:56) Will My Microbiome Be Diverse Enough on Keto?
(1:07:36) The Role of Vitamin D
(1:08:33) Lowering Insulin for Higher Vitamin D
(1:09:49) Ads
(1:10:43) Magnesium
(1:11:43) Omega-3
(1:11:54) Taking Exogenous Ketones
(1:12:24) Exogenous Ketones vs Ketones Produced in the Body
(1:14:32) Putting My Mum on Keto When She Was Dying of Cancer
(1:20:41) Will This Reverse Cancer?
(1:22:55) Methylene Blue
(1:24:47) Do You Take Creatine?
(1:27:01) GLP-1 Natural Alternatives
(1:28:55) How to Stop Cravings
(1:31:45) How to Keep People Motivated With Their Health Journey
(1:32:57) Ads
(1:35:08) They Tried to Sue Me for Fraud
(1:46:54) What Helps You Find Inner Peace in Stressful Moments
Follow Dr Boz:
Instagram - https://bit.ly/4pjpvvs
YouTube - https://bit.ly/4p9b5ha
Website - https://bit.ly/3X0aHWo
You can purchase Dr Boz’s book, ‘KetoCONTINUUM’, here: https://amzn.to/49YxIQZ
Independent research: https://stevenbartlett.com/wp-content/uploads/2025/11/DOAC-Dr-Annette-Bosworth-Independent-Research-further-reading-1.pdf
Get up to 20% off the new 1% Diary with early Black Friday bundles https://bit.ly/diarynov25ar
The Diary Of A CEO:
◼️Join DOAC circle here - https://doaccircle.com/
◼️Buy The Diary Of A CEO book here - https://smarturl.it/DOACbook
◼️The 1% Diary is back - Black Friday bundle: https://bit.ly/diarynov25ar
◼️The Diary Of A CEO Conversation Cards (Second Edition): https://g2ul0.app.link/f31dsUttKKb
◼️Get email updates - https://bit.ly/diary-of-a-ceo-yt
◼️Follow Steven - https://g2ul0.app.link/gnGqL4IsKKb
Sponsors:
Shopify - https://shopify.com/bartlett
Wispr - https://wisprflow.ai/DOAC
KetoneIQ - Visit https://ketone.com/STEVEN for 30% off your subscription order
This is a public episode. If you would like to discuss this with other subscribers or get access to bonus episodes, visit theexperienceplus.substack.com
Dr Annette Bosworth, commonly known as Dr Boz, is an internal medicine doctor with over 2 decades of experience, who helps reverse medical problems through healthy Keto living. She educates the audience on her YouTube platform ‘Dr Boz’ and is the bestselling author of several books, including, ‘KetoCONTINUUM: Consistently Keto Diet for Life’.
She explains:
◼️How keto done wrong can actually damage your brain
◼️The fastest way to generate ketones and reduce inflammation
◼️Why breakfast is the most dangerous meal for insulin resistance
◼️The simple test that tells you if your brain is running on fat or sugar
◼️The science behind the “Dr. Boz Ratio” and how it predicts healing
(00:00) Intro
(02:16) What Made You Who You Are Today?
(03:23) Medicine 2.0 (Fixing) vs Medicine 3.0 (Preventing)
(04:17) Predicting Chronic Illness 10 Years Before You Get It
(08:29) Best Time to Eat
(13:05) The Biggest Issue With Insulin Resistance
(14:27) Scary Signs You Have Excess Insulin
(18:35) Check for Skin Tags and Hairless Toes
(20:42) My Patients Reversed Grey Hair on Keto
(21:40) How to Measure Your Ketone Levels
(23:15) Benefits of Being in Ketosis
(25:19) Brain Differences on a Keto Diet vs Not
(27:38) How Long Did It Take Annette to Achieve Ketosis?
(31:14) Weightlifting on Keto
(32:38) Improvements in Strength and Power
(34:16) Can Keto Help Neurodegenerative Diseases?
(38:39) Testing Steve's Ketones and Blood Sugar
(41:06) Testing Dr. Boz's Ketones
(42:37) How Cortisol Affects Metabolism
(43:41) Jack's Ketone Levels
(45:13) Do I Need to Fully Cut Carbs?
(46:27) My Mum's Cancer Journey
(47:32) 12 Steps to Get Into a Consistent Ketogenic State
(51:33) The Difference Between Men and Women on Keto
(54:49) The Sardines Challenge to Start Keto
(57:31) What Macros Do I Need to Get Into Ketosis?
(58:07) Grocery List for a Keto Diet
(59:15) What About Net Carbs?
(59:36) Woman Who Ate Only Sardines for 30 Days
(1:02:58) Will High Fat Affect the Gut Microbiome?
(1:06:56) Will My Microbiome Be Diverse Enough on Keto?
(1:07:36) The Role of Vitamin D
(1:08:33) Lowering Insulin for Higher Vitamin D
(1:09:49) Ads
(1:10:43) Magnesium
(1:11:43) Omega-3
(1:11:54) Taking Exogenous Ketones
(1:12:24) Exogenous Ketones vs Ketones Produced in the Body
(1:14:32) Putting My Mum on Keto When She Was Dying of Cancer
(1:20:41) Will This Reverse Cancer?
(1:22:55) Methylene Blue
(1:24:47) Do You Take Creatine?
(1:27:01) GLP-1 Natural Alternatives
(1:28:55) How to Stop Cravings
(1:31:45) How to Keep People Motivated With Their Health Journey
(1:32:57) Ads
(1:35:08) They Tried to Sue Me for Fraud
(1:46:54) What Helps You Find Inner Peace in Stressful Moments
Follow Dr Boz:
Instagram - https://bit.ly/4pjpvvs
YouTube - https://bit.ly/4p9b5ha
Website - https://bit.ly/3X0aHWo
You can purchase Dr Boz’s book, ‘KetoCONTINUUM’, here: https://amzn.to/49YxIQZ
Independent research: https://stevenbartlett.com/wp-content/uploads/2025/11/DOAC-Dr-Annette-Bosworth-Independent-Research-further-reading-1.pdf
Get up to 20% off the new 1% Diary with early Black Friday bundles https://bit.ly/diarynov25ar
The Diary Of A CEO:
◼️Join DOAC circle here - https://doaccircle.com/
◼️Buy The Diary Of A CEO book here - https://smarturl.it/DOACbook
◼️The 1% Diary is back - Black Friday bundle: https://bit.ly/diarynov25ar
◼️The Diary Of A CEO Conversation Cards (Second Edition): https://g2ul0.app.link/f31dsUttKKb
◼️Get email updates - https://bit.ly/diary-of-a-ceo-yt
◼️Follow Steven - https://g2ul0.app.link/gnGqL4IsKKb
Sponsors:
Shopify - https://shopify.com/bartlett
Wispr - https://wisprflow.ai/DOAC
KetoneIQ - Visit https://ketone.com/STEVEN for 30% off your subscription order
This is a public episode. If you would like to discuss this with other subscribers or get access to bonus episodes, visit theexperienceplus.substack.com