Diet Doctor Podcast #67 — Trey Suntrup, PhD

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Are you curious about why you should test your ketones? Or what method is best for you? Do you wonder how you should interpret your results?

In this episode with Trey Suntrup, PhD, we delve into these discussions . This conversation is a real masterclass, covering everything you need to know about ketone testing and more.

Trey has a PhD in physics and did a fellowship in translational science and entrepreneurship. Since then, he’s worked on developing a ketone breath meter that uses cutting-edge measurement technology. He was the lead author of a paper that compares the device to fingerstick blood testing.

Trey has a wealth of knowledge and experience, and he shares it to help us understand the ins and outs of the different ways you can test ketone levels.

Thanks for reading,
Bret Scher, MD FACC

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Table of contents


00:00  Introduction
02:15  What are ketones? Why measure them?
08:16  Measuring ketones on a low-carb diet
10:00  The different ways to measure ketones
18:23  Are BHB and acetone prone to the same problem as acetoacetate?
21:29  The ‘sweet spot’ level of ketones for maximum fat burning
24:56  Trey’s study on breath monitoring
27:53  Factors that cause some variations of ketone levels
31:40  Correlation between the acetone measurement and the blood BHB level
37:23  Ketone measuring devices and their accuracy
39:33  The future of ketone testing
44:37  General ranges of nutritional ketosis vs fasting
48:36  Advice to people looking into ketone monitoring
52:49  Where to find the studies discussed in this episode

About the video

Virtual podcast recorded in January 2021, published in March 2021.
Host: Dr. Bret Scher
Producer: Hari Dewang

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