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Your Diet Sucks

Zoë Rom

Diet culture, you've met your scientific match. Hosted by an elite ultrarunner/journalist and a registered dietitian, Your Diet Sucks dismantles the myths, trends, and pseudoscience that screw up how we think about food, health, and fitness. Subscribe to bonus episodes here: https://creators.spotify.com/pod/profile/microcosm-coaching0/subscribe

  1. Does Intermittent Fasting Actually Do Anything?

    FEB 18

    Does Intermittent Fasting Actually Do Anything?

    Intermittent fasting is the most Googled diet-related term on the planet, except everyone who does it will tell you it's not a diet. It's a protocol. An eating window. A lifestyle. An optimization hack. Definitely, absolutely, under no circumstances a diet. You just don't eat for sixteen hours. Totally different. In this episode, we trace IF from ancient religious fasting traditions through its secularization and commodification, afrom Martin Berkhan's Leangains forum and its tagline ("f**k breakfast") to Michael Mosley's BBC documentary, Hugh Jackman's Wolverine physique, and Jack Dorsey describing his weekend-long fasts as "hallucinating" like that's a selling point. We walk through how a Nobel Prize in yeast biology became a justification for skipping breakfast, why Jason Fung's The Obesity Code scored 31% on scientific accuracy and still became the IF bible, and how the fasting app market turned one simple rule into a multimillion-dollar industry. Then we get into what the science actually says. We break down the claimed mechanisms — metabolic switching, autophagy, insulin sensitivity — and look honestly at where the evidence lands. Spoiler: the mechanisms are real, but the confidence far outpaces the human data. The first direct measurement of autophagy in humans was published in 2025. Mouse metabolism runs seven times faster than ours. And the landmark Liu et al. trial in the New England Journal of Medicine found that time-restricted eating is no better than regular caloric restriction for weight loss. You're not metabolic switching. You're just eating less. We also dig into what IF means for active people (no performance benefit across any exercise type, real risk of under-fueling and RED-S, and a protein distribution problem that no eight-hour window can solve), what the AHA, ADA, NIA, and ISSN actually say about it, and the robust research linking IF to eating disorder behaviors across all genders — including a landmark study showing that fasting was a stronger predictor of binge eating disorder than any other form of dietary restraint. Fasting is listed in the DSM-5 as a compensatory behavior. Just because you give it a different vocabulary doesn't mean your body experiences it differently. Your body is smarter than any fasting app. Also, breakfast slaps.. This Episode's Sponsors: rabbit — Code YDSFEB for 10% off Osmia — Code YDS20 for 20% off Tailwind — Code YOURDIET20 for 20% off Microcosm Coaching — Book a free consultation Full references, episode archive, and our advertising ethics policy at yourdietsuckspodcast.com Hosted by: Zoë Rom & Kylee Van Horn, RDN

    1h 22m
  2. The Vegetarian Diet

    JAN 21

    The Vegetarian Diet

    ⁠Check out our website for a full list of episodes and references!⁠ Support us on Patreon, or Apple Subscriptions or Spotify Premium! Can you build muscle, train hard, and actually perform on a vegetarian diet? Do plant-based eaters need more protein? Is iron deficiency a real concern or just wellness industry noise? This week, Zoë and Kylee dig into what the research actually says about vegetarian diets for athletes and active people, no Game Changers propaganda, no carnivore fear-mongering, just science. Turns out vegetarian athletes do need about 20-30% more protein than omnivores to achieve the same muscle protein synthesis. Kylee explains why leucine matters, what PDCAAS scores actually mean, and which plant proteins are worth prioritizing (and which ones are working against you). Then Zoë gets quizzed on iron, B12, zinc, omega-3s, and protein combining in a game called Truth or Deficit, and her performance is, frankly, embarrassing for someone who's been vegetarian since age 17. They also talk about something that doesn't get discussed enough: the research linking vegetarianism and disordered eating. Studies show plant-based eaters are about twice as likely to report orthorexic symptoms as omnivores, and Zoë gets honest about her own history using veganism as eating disorder cover. Plus: 2,500 years of people being unhinged about dietary purity, including Pythagoras possibly getting murdered because he refused to walk through a bean field, the anti-masturbation origins of graham crackers, and how "you are what you eat" thinking has been claimed by feminist abolitionists and literal Nazis alike. The plants aren't the problem. The purity logic might be. Vegetarian diets can absolutely support your training and your health. They just require more planning, more attention to a few key nutrients, and an honest conversation with yourself about why you're doing it. Sponsors: Osmia Skincare — Code YDS20 at osmiaskincare.com for 20% offTailwind Nutrition — Code YOURDIET20 at tailwindnutrition.com for 20% offMicrocosm Coaching — Free consult at microcosm-coaching.com

    1h 21m
  3. JAN 14

    BONUS: How Do You Eat For 603 Miles? World Record Fueling with Megan Eckert

    This episode is presented in partnership with Mount to Coast. Use code YDS10 for 10% off at mounttocoast.com What does it take to run 603 miles in six days? We recorded this episode live at The Running Event with Megan Eckert, who set the women's six-day world record this past May at the Gomu World Championships in France, becoming the first woman in history to break 600 miles. She also holds the women's backyard ultra world record (362 miles at Big Dog's) and somehow still works full-time as a middle school special education teacher and high school track coach. Megan didn't come up through the traditional running pipeline. She started as an adult, dealt with undiagnosed iron deficiency for years, and figured out her approach to fueling through trial, error, and eventually working with a sports nutritionist. At 38, she's proof that it's never too late, and that eating enough is actually faster than eating less. We talked about iron deficiency in female athletes and why "normal" lab ranges don't work for us, how to fuel multi-day events with real food (Doritos included), carbohydrate periodization without overthinking it, body image pressure on women as we age in sport, and why her supplement routine is probably simpler than yours. Follow Megan: @meg_eckert on Instagram Follow YDS: @yourdietsucks on Instagram | yourdietsucks.com This episode is brought to you by Mount to Coast, the first performance footwear brand designed specifically for ultrarunning. Their shoes feature technology built for long-distance runners, including dual lacing systems that let you adjust fit as your feet swell and endurable midsoles with cushioning that stays supportive from mile one to mile 500. Megan set her six-day world record in Mount to Coast AR Ones.

    51 min
4.7
out of 5
176 Ratings

About

Diet culture, you've met your scientific match. Hosted by an elite ultrarunner/journalist and a registered dietitian, Your Diet Sucks dismantles the myths, trends, and pseudoscience that screw up how we think about food, health, and fitness. Subscribe to bonus episodes here: https://creators.spotify.com/pod/profile/microcosm-coaching0/subscribe

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