213. Rose Ferguson: Q&A on MTHFR Gene Mutation, Autoimmune Disease, Cognitive Decline, & More!

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Oct 28, 2025

In this engaging discussion, nutritionist Rose Ferguson, a functional medicine expert and author, dives into the complexities of the MTHFR gene mutation and its effects on health. She reveals surprising truths about gluten—and how processed foods may be a bigger culprit. The duo also addresses cognitive decline, emphasizing the role of insulin sensitivity and fasting. Additional topics include nutrition strategies for skin issues like rosacea, the challenges of plant-based diets, and the importance of methylated B vitamins for overall health.

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ADVICE

Teach Whole Foods And Use Targeted Multivitamins

Do prioritize whole foods and teach kids to distinguish processed versus whole foods.
Try a methylated multivitamin and multimineral if kids dodge vegetables to cover likely deficiencies.

ADVICE

Supplement Strategically To Hit Protein Targets

Do use high-quality protein powders or essential amino supplements if you struggle to hit 150 g/day.
Try splitting servings (e.g., PerfectAmino equivalents) to reach daily protein without excess calories.

INSIGHT

Peanuts Are A Frequent Mycotoxin Source

Peanuts commonly carry ochratoxin and aflatoxin mycotoxins and are high in lectins that can harm the gut.
Gary Brecka traced family ochratoxin results back to stored peanuts and changed how he buys nuts.

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