Episode 511: Dr. Mindy Pelz: Fix Your Metabolism with the Right Type of Fast

Habits and Hustle

Jen Cohen

Self-improvement, Entrepreneurship, Business, Education, Health & Fitness

4.4 • 800 Ratings

🗓️ 16 December 2025

⏱️ 88 minutes

🔗️ Recording | iTunes | RSS

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Summary

What if the confusion around fasting and hormones isn’t because the science is complicated, but because most people are using the wrong tools for the wrong goals? In this episode, I sit down with Dr. Mindy Pelz to get clear about what fasting actually does, when it helps, and when it backfires. This is a conversation about taking ownership of your metabolism instead of chasing trends that don’t match your life. We talk about the viral moment from her Stephen Bartlett interview, how misinformation spreads, and what she learned from being at the center of it. Mindy breaks down her six core fasts, why women need a different strategy, and how to adjust your approach if you train hard. We get into cycle-based fasting, fertility, menopause, HRT, toxic load, peptides, creatine, apple cider vinegar, and the rise of GLP-1 drugs. If you’ve ever wondered how to use fasting without wrecking your energy or performance, this episode will give you a clearer path forward. Dr. Mindy Pelz is a bestselling author, educator, and functional health expert known as the fasting guru. Her books Fast Like a Girl and Age Like a Girl have helped millions of women rethink metabolic health, hormones, and aging, and she has led hundreds of thousands of people through community fasts that focus on real-world results, not quick fixes. What We Discuss: (00:00) How a Misquote Went Viral and Changed Mindy’s Career (04:12) What the Internet Got Wrong About Testosterone and Fasting (11:19) The Biggest Fasting Mistakes Most People Still Make (17:05) The Six Core Types of Fasting and When to Use Each (23:28) Fasting for Gut Repair, Weight Loss, and Dopamine Reset (28:54) How Athletes and Active Women Should Adapt Their Fasts (34:04) Cycle-Based Fasting and Hormonal Timing for Women (43:00) Supplement Cycling, Autophagy, and Metabolic Flexibility (55:19) GLP-1 Drugs, Gut Health, and the Real Drivers of Hunger (59:31) The Long-Term Risks of Quick-Fix Weight Loss Trends (01:05:40) Fertility, Progesterone Needs, and Rethinking HRT (01:16:14) Menopause, Brain Rewiring, and Building Cognitive Strength (01:28:48) Peptides, ACV, and Final Insights Before Wrap-Up Thank you to our sponsors: Therasage: Head over to therasage.com and use code Be Bold for 15% off Air Doctor: Go to airdoctorpro.com and use promo code HUSTLE40 for up to $300 off and a 3-year warranty on air purifiers. Magic Mind: Head over to www.magicmind.com/jen and use code Jen at checkout. Momentous: Shop this link and use code Jen for 20% off Manna Vitality: Visit mannavitality.com and use code JENNIFER20 for 20% off your order Prolon: Get 30% off sitewide plus a $40 bonus gift when you subscribe to their 5-Day Program! Just visit https://prolonlife.com/JENNIFERCOHEN and use code JENNIFERCOHEN to claim your discount and your bonus gift. Amp fit is the perfect balance of tech and training, designed for people who do it all and still want to feel strong doing it. Check it out at joinamp.com/jen Find more from Jen: Website: www.jennifercohen.com Instagram: @therealjencohen Books: www.jennifercohen.com/books Speaking: www.jennifercohen.com/speaking-engagement Find more from Dr. Mindy Pelz: Website: www.drmindypelz.com Instagram: @dr.mindypelz TikTok: @drmindypelz YouTube: @drmindypelz

Transcript

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0:00.0	Hi, guys. It's Tony Robbins. You're listening to Habits and Hustle. Crush it. I have Dr. Mindy Peltz on the podcast. You guys, she's a friend of mine. And so this happens all the time, right? When I have people who I like very much and we start doing this podcast, all the good stuff happens before we start building. So I'm like,
0:21.2	stop it. Stop talking. Yeah, stop talking. Let's start. Okay, so Dr. Mindy Peltz, she is like the,
0:28.7	she's known as like the fasting guru. Like you, we were just saying before we started filming that
0:33.2	you were on such a trajectory when I met you and and now you've become like a mainstream, like,
0:38.5	name. And she's written a ton of books Fast Like a Girl, her newest book is called Age Like a Girl. You wrote like a couple other books prior. I eat like a girl was in between. It's a trilogy now. Exactly. It's like Eat Like a Girl. I mean, you guys are getting the point. So we're going to go. we're going to like get right into everything.
0:54.5	But I was actually just saying to Mindy just now, and we stopped so we can start recording how you, how she kind of skyrocketed. And she was telling me that Steve Bartlett. So can you kind of just go from there? So yeah. So, so, so Fast like a Girl came out in December 2022. Okay. And like, I knew what I put in that book was going to work for people because
1:14.2	I'd already
1:14.8	done it in my clinic.
1:15.9	I had seen it in my online world.
1:17.5	But when the book went out, people started getting results.
1:21.6	And so they started sharing it.
1:23.0	And then all the podcasters started bringing me on.
1:25.4	The podcast interview that went viral, it had like 10 million
1:29.4	views within like a month or two was Stephen Bartlett's Diary of the CEO. Yeah. And he does a great job.
1:35.9	He's a great interviewer. And what ended up happening is it was like a weird configuration of it.
1:44.0	At the time I was 52 and he was 31. And it was like a weird configuration of it at the time I was 52 and he was 31 and it was like this
1:48.6	52 year old woman educating a 31 year old man on women's hormones and fasting and I there was
1:56.0	something about our rapport that just set the whole thing into motion and everybody loved it, both men and
2:03.5	women. We got questions from men saying, you know, comments saying, thank you. You taught me how
2:09.8	my, a little more about why my wife operates the certain way and why she acts a certain way.
2:15.7	But the thing that we were talking about was it's a very
2:19.9	famous quote in a very negative way that some of your listeners might know. He asked me
	...

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