The Diary Of A CEO with Steven Bartlett
The Diary Of A CEO with Steven Bartlett

The Miracle Doctor: EVERYONE should start Fasting right now! (NEW SCIENCE) Dr. Mindy Pelz

In this new episode Steven sits down with the nutrition and functional medicine expert Dr Mindy Pelz. Dr Pelz is a fasting, keto and detox expert, she is a leader in alternative health and a pioneer in the fasting movement. She has worked with a wide range of high-profile clients from Olympic athlet

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Steven Bartlett Host

Topics Discussed

Episode Summary

Executive Summary: The conversation argues that fasting is a powerful tool for metabolic switching, cellular repair, hormone balance, and weight management, especially when tailored by sex and cycle stage. It links modern chronic disease to toxic exposures, poor blood sugar control, and an “evolutionary mismatch,” while emphasizing that women’s health must account for menstrual cycles, menopause, and stress differently than men’s.

Main Topics: Fasting as metabolic switching (Priority: 5/5): Dr. Mindy Pelt explains fasting as a shift from sugar-burning to fat-burning, producing ketones that support brain clarity, hunger suppression, and energy. She frames fasting as a low-cost, accessible way to trigger repair processes. Autophagy and cellular repair (Priority: 5/5): The discussion highlights longer fasts as a trigger for autophagy, where cells clean out damaged components, reduce inflammation, and potentially improve immune resilience and recovery from illness or injury. Women’s hormones and cycle-based living (Priority: 5/5): A major theme is that women should fast, exercise, eat, and work according to menstrual cycle phases. The guest argues stress, cortisol, and insulin strongly influence progesterone, estrogen, libido, and mood. Toxic load and modern health decline (Priority: 4/5): The episode argues that plastics, phthalates, endocrine disruptors, and skincare/body products contribute to obesity, hormone disruption, infertility, and chronic disease, and that toxicity is a major hidden driver of poor health. Menopause and perimenopause support (Priority: 4/5): The conversation reframes perimenopause and menopause as periods that require reduced stress, better recovery, lifestyle adjustments, and not just hormone replacement therapy, which she says only works well when lifestyle and detox pathways are addressed. Muscle, cardio, and weight-loss myths (Priority: 4/5): The guest criticizes calorie restriction, over-cardio, and GLP-1-style weight loss medications for sacrificing muscle, arguing that resistance training, protein, and fasting are better for long-term metabolic health. Individualized health over one-size-fits-all advice (Priority: 4/5): A recurring message is that each person should become an experiment of one—using glucose monitoring, self-observation, and personalized fasting windows rather than generic diet rules.

Key Arguments: Fasting is not starvation; it is a biologically normal survival state that promotes fat burning, ketone production, and repair. Ketones improve mental clarity because the brain uses both glucose and ketones as fuel. At around 15 hours of fasting, growth hormone rises and inflammation falls; at about 17 hours, autophagy begins. Women should not be treated like men in health advice because estrogen/progesterone cycles alter stress tolerance, appetite, libido, and cognition. Menstrual cycle awareness can improve relationships by timing conflict, intimacy, and workload to hormone phases. A woman’s inability to manage stress is often tied to progesterone suppression from high cortisol. Toxic exposures such as BPA and phthalates are portrayed as major contributors to obesity, hormone disruption, and reduced sperm/testosterone. HRT alone is insufficient if the gut, liver, and cell receptors are impaired by inflammation or toxicity. Resistance training and adequate protein are essential because muscle drives longevity and insulin sensitivity. Weight-loss drugs may reduce weight but can sacrifice muscle mass and long-term metabolic resilience.

Data Points: Intermittent fasting window: 12 to 16 hours - Described as the most common fasting style and a basic entry point to metabolic switching. Metabolic switch timing: About 8 hours - Estimated time to switch from sugar-burning to fat-burning energy use. Ketone production / hunger reduction: About 12 hours - By this point ketones rise, mental clarity improves, and hunger is reduced. Growth hormone increase: At 15 hours - Guest says growth hormone rises at this fasting duration. Testosterone increase in men: 1300% increase - Claimed for men fasting between 13 and 15 hours. Autophagy onset: About 17 hours - Described as the point where cells begin self-cleaning and repair. Gut reset fast: 24 hours - Claimed to reboot intestinal stem cells and repair gut function. Fat burner fast: 36 hours - Presented as especially effective for weight loss, particularly belly fat. Dopamine reset fast: 48 hours - Claimed to reboot dopamine receptor sensitivity and reduce compulsive overeating. Immune reset fast: 3 days - Linked to white blood cell renewal and stem cell surges during or after fasting. Protein trigger for muscle growth: 30 grams - Suggested amount needed to activate amino acid receptor sites and stimulate muscle growth. Metabolically healthy Americans: 12% - Used to emphasize the scale of metabolic dysfunction in the U.S. Women obese ages 21+: 41% - CDC statistic cited in discussion of women’s health crisis. Women with high blood pressure: 45% - CDC statistic used to illustrate chronic disease burden. Women who will develop cancer: 1 out of 2 - Cited as lifetime risk in the transcript. Women who will develop Alzheimer’s: 1 out of 5 - Cited as lifetime risk in the transcript. Women who will get type 2 diabetes: 1 out of 9 - Cited as lifetime risk in the transcript. Women who will develop a thyroid problem: 1 out of 8 - Cited as lifetime risk in the transcript. Autoimmune conditions in women: 80% - Used to argue women bear a disproportionate burden of autoimmune disease. Vitamin D threshold: Under 30 is critically depressed; 60-70 preferred for hormonal health - Recommended range for immune and hormonal function. A1C target: Under 5 - Presented as the ideal hemoglobin A1C level. Typical menstrual cycle length: 28 to 32 days - Described as the standard cycle range, with bleeding lasting 3 to 7 days. Men’s testosterone rhythm: Every 15 minutes - Used humorously to contrast men’s more steady hormonal pattern with women’s cycle-based shifts.

Pivotal Quotes: "Nobody cures you. You cure yourself." — Dr. Mindy Pelt: On the body as a self-healing organism and the limits of pill- or diet-first thinking. "If we want to exist on this planet, we're going to have to do that." — Dr. Mindy Pelt: On the need for lifestyle changes, detox, sleep, movement, and metabolic health to prevent chronic disease. "The first place to start is menstruation or the big M is considered a taboo topic." — Dr. Mindy Pelt: On why women’s hormonal cycles and menopause need to be discussed openly and practically.

Implications: Listeners are urged to personalize fasting, prioritize muscle and blood sugar stability, reduce toxic exposures, and treat women’s hormones as cycle-dependent. For health culture, the episode argues for less one-size-fits-all advice and more biology-aware lifestyle design.

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About The Diary Of A CEO with Steven Bartlett

Steven Bartlett is a British entrepreneur, investor, and author. He’s the founder of Flight Story – a media company – and Flight Fund, an investment fund backing the next generation of category-defining businesses. He created The Diary Of A CEO to share the unfiltered pages of the personal diaries of the world’s most fascinating CEOs, experts, therapists, and leaders – with the hope that their lessons will help both you and him live better lives. DOAC is a double acronym: Diary Of A CEO, but also Dreamers, Open-minded, Awareness, and Connection.This is your corner of the internet to dream boldly, think openly, expand your awareness, and feel more connected. My New Book: https://g2ul0.app.link/DOAC IG: https://www.instagram.com/steven LI: https://www.linkedin.com/in/stevenbartlett-123

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