666: Mastering Nutrition: How to Think Clearly About Diet in a World of Conflicting Advice with Christopher Masterjohn

Nutrition debates today often feel more ideological than scientific. One of the biggest examples is the ongoing controversy around seed oils, where strong opinions exist on both sides but clear understanding is often missing. In this episode, Ted speaks with nutrition scientist Christopher Masterjohn to explore the history and research behind seed oils, cholesterol, fatty liver disease, and oxidative stress. They also discuss why nutrition debates become polarized, how choline intake influences liver health, and why metabolic markers like glucose and lactate can offer useful insights into personal metabolism. If you want a deeper, more nuanced understanding of one of the most debated topics in nutrition—and practical ways to think about your own diet—this conversation will challenge assumptions and expand your perspective. Listen now. Today's Guest Christopher Masterjohn Christopher Masterjohn is a nutrition scientist with a PhD in Nutritional Sciences. His work focuses on metabolism, micronutrients, and the biochemical mechanisms that influence long-term health. Through his research, writing, and educational platforms, he helps people understand how diet, metabolism, and lifestyle interact to shape metabolic health. Connect to Christopher Masterjohn Website: Instagram: @c hrismasterjohn X: @ChrisMasterjohn Substack: Harnessing the Power of Nutrients YouTube: @chrismasterjohn Podcast: Mastering Nutrition Podcast You'll learn: Why seed oils became widely promoted—and why the science remains controversial How polyunsaturated fats influence oxidative stress and long-term disease risk The overlooked role of choline in preventing fatty liver and supporting metabolic health How tracking glucose and lactate can provide deeper insight into metabolic function Chapters: 00:00 Introduction 02:43 Seed Oils Defined 04:20 PUFAs Oxidation Risks 05:53 Heart Disease History 07:51 Trials Cancer Concerns 10:49 Null Hypothesis Debate 18:34 Choline Fatty Liver 33:50 Added Oils and Real Life 39:40 Muscle Over Fat Loss 44:24 Accidental Deficits Example 46:14 Coaching Psychology Nuance 50:59 Lactate and Mitochondria 56:11 Wrap Up and Where to Find

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666: Mastering Nutrition: How to Think Clearly About Diet in a World of Conflicting Advice with Christopher Masterjohn is an episode from Legendary Life | Transform Your Body, Upgrade Your Health & Live Your Best Life by Ted Ryce.

This episode is 58:15 long.

This episode was published on Mar 16, 2026.

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