The Fasting Method Podcast
Fasting Q&A with Dr Jason Fung: Iron Deficiency, High Histamine Levels, Dry Fasting, Mitophagy, Benefits of Vinegar, and More
Jan 28, 2025
Dr. Jason Fung, an expert in intermittent fasting, tackles various community queries. He dives into the implications of iron deficiency during fasting and whether supplements should be taken. The conversation also covers high histamine levels and the potential benefits of longer fasting durations. He addresses unique sensations some experience during weight loss, including tingling, and shares insights on dry fasting. Plus, he clarifies ketone levels for safe fasting and discusses the effects of vinegar on blood sugar control. A wealth of practical advice awaits!
33:59
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Quick takeaways
- Fasting may influence iron levels, necessitating a careful evaluation of protein intake and how iron supplements are administered for optimal absorption.
- The connection between fasting and histamine levels suggests potential symptom relief during prolonged fasting, but the exact underlying mechanisms are not fully understood.
Deep dives
Iron Deficiency and Fasting
Fasting can influence nutritional intake, leading to concerns such as iron deficiency, but it is not typically a direct cause. The individual discussed in the episode was surprised to discover she had early stage iron deficiency despite typically consuming meat and other iron-rich foods. Dr. Fung advised her to evaluate her protein intake, particularly noting that limiting protein could exacerbate the issue. Additionally, he emphasized the importance of supplementing iron correctly, such as taking it with vitamin C to enhance absorption while being mindful of foods that may inhibit iron uptake, like certain nuts.
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