Your Diet Sucks
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.
Episodes
Why Am I So Hungry?
You were taught that hunger is a trick question. Before you're allowed to eat, you have to clear the suspects: you're bored, you're thirsty, you're emotional, you're just not disciplined enough. Somewhere at the bottom of that list, if it makes the list at all, sits the radical possibility that you might simply need food.This episode is about where that interrogation came from
Are Artificial Sweeteners Actually Bad For You?
In 1879, a chemist named Constantin Fahlberg sat down to dinner without washing his hands after a day spent handling coal tar. His bread tasted strangely sweet. So he went back to the lab and started tasting everything on his bench until he found the source. That was saccharin, the first artificial sweetener, discovered because a man would not wash his hands before dinner. Nearly 150 years later,
Should You Count Calories? The Wild History and Questionable Science Behind Calorie Counting
Should you count calories? A century ago, a Los Angeles doctor named Lulu Hunt Peters sold two million copies of a book that taught American women to count calories as a patriotic duty during WWI. She invented the 100-calorie snack pack. She set the 1,200-calorie floor that still haunts diet apps in 2026. The framework she popularized is still running your relationship with food.This week, Zoë and
Food Allergies, Intolerances, and Sensitivity Tests
This week, Zoë mailed a chunk of her hair to a stranger in Florida. For science. For journalism. For your benefit, really. The $60 hair sample test came back flagging her as "highly reactive" to 210 foods, including emu, ostrich egg, hot dog, and ground horse meat. Reader, she has not eaten ground horse meat in over a decade.The food sensitivity industry is a multi-billion-dollar grift b
Is Natural Food Actually Healthier?
In 1997, a 14-year-old named Nathan Zahner convinced 43 out of 50 classmates to sign a petition banning a dangerous chemical called dihydrogen monoxide. The chemical was water. This episode is everything that happened next, scaled up to a $50 billion industry and, eventually, federal food policy.Zoë and Kylee trace the naturalistic fallacy: the assumption that natural equals good and artificial eq
The Caffeine Episode
Find full episode transcripts, show notes, and research at yourdietsuckspodcast.com. Grab merch at teepublic.com/user/your-diet-sucks. And if you want bonus episodes, early access, and our eternal gratitude, support us on Patreon at patreon.com/YourDietSucks.Caffeine is the most widely consumed psychoactive substance on earth — and somehow it's still got two extremely loud camps screaming past
God, Guilt, and the Gospel of Clean Eating
Get "Carb Slut" and "Petty and Scientifically Literate" merch here!Check out our website for references, transcripts, and more!Diet culture is really good at one thing: finding the places people go to belong, and nesting inside them. This episode follows that instinct back to one of its oldest sources, the American evangelical church. Zoë and Kylee are joined by Leslie Schillin
How Whole30 Became a Diet Empire Without a Single Study
Get "Carb Slut" and "Petty and Scientifically Literate" merch here!Whole30 has sold millions of books, built a coaching empire, and partnered with Chipotle and Walmart — all without a single peer-reviewed clinical trial. In this episode, Zoë traces the program from its origin on a CrossFit blog in 2009 to its multi-million dollar licensing ecosystem, digs into the loaded vocabu
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 thr
Do Anti-Inflammatory Diets Actually Work?
Connect With Us: Patreon | @yourdietsuckspod on instagramThe wellness industry wants you to believe your body is on fire. Tired? Inflamed. Bloated? Inflamed. Sad? Believe it or not, inflamed. But what does inflammation actually mean, and should athletes be worried about it?In this episode, we trace how inflammation went from a specific biological process to a wellness Rorschach test that can se
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
Men, Masculinity, Body Image and Disordered Eating
We brought the husbands on for this one. Sean Van Horn and TJ David join us to talk about eating disorders in men, disordered eating in male athletes, and how the wellness industry preys on masculine insecurity with different packaging but the same playbook.First up: a game called Influencer or Dictator, where the guys guess whether quotes about discipline and suffering came from David Goggins or
REPLAY: The Science of New Year's Resolutions (And Why 91% Fail)
Encore presentation—ad-free! Support independent, evidence-based nutrition content on Patreon for bonus episodes, Q&As with Kylee, and our full archive.Every January, gyms overflow and 91% of resolutions get abandoned before spring. In this episode, we trace the surprisingly ancient history of New Year's resolutions—from Babylonian harvest promises to Roman offerings to Janus—and explore w
Detoxes, Toxins, and Cleanses: The Science (and the Scam)
Do detoxes work? Do you need a juice cleanse to "reset" your body? Is your liver full of toxins? Short answer: no, no, and absolutely not.This week we debunk the $6.3 trillion wellness industry's claims,juice cleanses, detox teas, foot pads, coffee enemas, the Master Cleanse, and everything in between. We cover how your liver actually detoxifies, why your kidneys filter 200 quarts of
Tallow, Toxins, and TikTok: What Skincare Gets Wrong Partner Episode with Osmia
The skincare industry is worth over $180 billion globally. The science backing most of it? Let's just say your liver isn't the only organ that doesn't need a detox.This episode is sponsored by Osmia, Science-backed skincare formulated by a physician who actually reads PubMed. Use code YDS20 for 20% off your first order at osmiaskincare.com.This week we're doing something a little d
Are Beauty Supplements a Scam?
Join our Patreon!Get YDS Merch for the holidays!Can you supplement your way to a glow? The $70 billion beauty supplement industry certainly wants you to think so.This week we dig into collagen, biotin, hyaluronic acid, and those $90 greens powders everyone's suddenly drinking, tracing the history from Lydia Pinkham's 19th-century vegetable compound to today's $60 Moon Juice dusts. We b
Unpacking the Paleo Diet
Support us on Patreon, and see our full list of references on our website!Do you need to eat like a caveman to unlock your ancestral potential? Spoiler: no, and also, which caveman? The whole premise falls apart the second you ask a follow-up question.This week, we're taking on the Paleo Diet, not just what it says you should eat, but why it exists in the first place. Turns out the history goe
Do You Actually Need Electrolytes?
Support the show and get bonus content! Join the N of One Club on Patreon for bonus episodes, monthly blogs, and a community of people who also think the wellness industry is full of shit. Starting at just $3/month.Do you really need that $5 mojito-flavored electrolyte packet to survive your morning Zoom meeting? Spoiler: probably not.This week we're talking salt. From ancient Romans literally get
How Nutrition Guidelines Became Political
Support us on Patreon!Get YDS tees, mugs, hats and more on Tee Public!This week on Your Diet Sucks, Zoë and Kylee dive headfirst into the messy, fascinating world of food policy, the history, politics, and corporate influence that quietly shape what ends up on your plate. From the creation of the first dietary guidelines to the low-fat craze that reshaped grocery store shelves, we unravel how
Relative Energy Deficiency in Sport Explained: Causes, Symptoms, and How to Recover from REDs
Support us on Patreon!Want to help with a book project? Share Your StoryGet YDS tees, mugs, hats and more on Tee Public!This week, Zoë and Kylee dig into one of the most misunderstood topics in endurance sports: RED-S, Relative Energy Deficiency in Sport. We break down what it actually is (spoiler: it’s not just “overtraining”), how to recognize early warning signs, and what the latest science
Cannabis, Culture, and the Runner’s High
Support us on Patreon!Want to help with a book project? Share Your StoryGet YDS tees, mugs, hats and more on Tee Public!This week on Your Diet Sucks, we’re digging into cannabis, how a plant got tangled up in politics, culture wars, and moral panic, and how that continues to shape the way we study it, regulate it, and talk about it today. We trace the science, the stigma, and the shifting rules, f
Menopause, Diet and Body Image
Support YDS on Patreon!Check out our new T-shirts!Your mom probably didn’t sit you down to explain hot flashes, vaginal atrophy, or why your metabolism doesn’t suddenly tank the second you hit menopause. That’s where we come in. In this episode of Your Diet Sucks, Zoë and Kylee dig into the messy, complicated, and very normal reality of perimenopause and menopause—because more than half the pop
What's the Best Diet for the Environment?
Support YDS on Patreon!Check out our new T-shirts!See our full list of 22 references for this episode on our website!What does your dinner have to do with the climate crisis? In this episode of Your Diet Sucks, Zoë and Kylee dig into the science, the politics, and the messy cultural baggage around food and the environment. From beef’s outsized carbon footprint to the confusing debates over almond
The Carnivore Diet
Support YDS on Patreon!This week, Zoë and Kylee tackle the carnivore diet, the internet’s most extreme eating trend. From raw liver smoothies at Erewhon to shirtless influencers promising that “meat heals everything,” the carnivore diet has exploded in popularity. But what really happens when you cut out all plants and live on ribeye steaks, bacon, and bone broth?We explore the strange history of
You Can't Boost Your Metabolism
Support us on Patreon, get a glitter sticker!We’ve all heard the promises: “Rev your metabolism with this one weird trick!” But does any of it actually work? In this episode of Your Diet Sucks, Zoë and Kylee dive deep into the history of metabolism myths, from ice chewing and celery diets to vibrating chairs, bulletproof coffee, and the latest TikTok hacks. We break down what metabolism actually i
Can You Hack Your Hormones?
Get YDS Merch before July 25!!Support us on Patreon!This week on Your Diet Sucks, we’re talking hormones: what they are, what they do, and why they’ve become the latest scapegoat for every diet culture grift on the internet. From adrenal fatigue (not real) to seed cycling (also not real), Zoë and Kylee cut through the pseudoscience and explain what actually supports hormone health—like eating enou
Why is Everyone Obsessed With Protein?
Check out YDS Merch!Join us on Patreon!Why is everything suddenly protein? From protein cereal to protein chips to protein water (??), it feels like the world has gone macro-mad. In this episode, Zoë and Kylee dig into the science, history, and cultural obsession behind the most overhyped, but still important, nutrient on the label: protein.Thanks to our partners:Tailwind Nutrition - use code YOUR
Biohacking or B.S.? The Truth About Ketone Supplements
Support YDS on Patreon!Get a FREE Skratch Labs sample pack on us!Are ketone supplements the next big thing in sports performance, or just overpriced hype that tastes like jet fuel? In this episode of Your Diet Sucks, Zoë and Kylee break down the science behind exogenous ketones, including what they are, how they work, and whether they actually improve endurance, recovery, or brain function.We exp
The Female Athlete Nutrition Industrial Complex
Support us on Patreon!Thanks to Skratch Labs for sponsoring the podcast! Get a free sample pack on us!This week on Your Diet Sucks, we’re digging into one of the most misunderstood—and over-marketed—topics in endurance sports: nutrition for female athletes.You’ve probably heard the myths: women should eat for their body type, avoid carbs during their cycle, or that we're not just small men when it
What the Science Really Says About Diet and Longevity
Join our Patreon and get access to monthly bonus episodes and more nutriton content!Can fasting really slow aging? Does calorie restriction work for humans, or just for mice and yeast? And how much protein do you actually need to age well? This week on Your Diet Sucks, we break down the evidence behind the most talked-about interventions in the longevity space, what holds up under scrutiny, what d
Blood Sugar Bullsh*t: Carbs, CGM’s, AIC: Everything You Need to Know
Get a Skratch Labs sample pack on us!Support us on Patreon!Thanks, Janji! Use code YDS for 10% off!Are CGMs the new step counter—or a $200 anxiety machine? In this episode, Zoë and Kylee discuss blood sugar basics, why fluctuations are normal, and how endurance athletes can make sense of numbers like A1C and glucose spikes without spiraling into diet culture doom.We break down:Why blood sugar goes
Is Organic Food Better?
Use code YDSAMPLE for a free snack pack from Skratch Labs!Support us on Patreon!Is organic food actually healthier—or just more expensive? This week on Your Diet Sucks, Zoë and Kylee break down the real science behind organic food, including what “organic” really means for produce, meat, and packaged snacks. We cover nutrition claims, pesticide exposure, antioxidant levels, and whether organic foo
The Science of Semaglutides, Fitness, and Weight Stigma
Support us on Patreon!GLP-1 drugs like Ozempic and Wegovy are everywhere — from medical journals to fitness influencers. But what do they actually do, and what happens when active people use them in pursuit of performance, health, or body change?In this episode, we unpack:The science behind semaglutides: how they work and what they were designed forWhat the research actually shows about weight los
Bonus : Live at Skratch Labs: We Answer Your Questions!
Support us on Patreon!In this special bonus episode, we're live at Skratch Labs in Boulder for a high-energy AMA! Zoë and Kylee tackle your biggest nutrition questions: from hydration hacks and gut-friendly teas to creatine for endurance athletes and whether IV drips are worth it before a race. Plus, budget fueling tips, travel nutrition, and why you should probably practice your aid station cup t
Unpacking Ultra-processed Foods
Support us on Patreon!Follow us on Instagram @yourdietsuckspod!This week, Kylee and Zoë take a deep dive into ultra-processed foods: what they are, where they came from, how they’re designed to light up your brain’s reward systems, and what role they play in athletic nutrition. We talk about everything from cereal meant to prevent sinning to the low-fat diet craze, the war-time origins of shelf-st
Your Nutrition Documentary Sucks.
Support us on Patreon!This week on Your Diet Sucks, Kylee and Zoë take a hard look at health documentaries, specifically the cult classic Game Changers—aka, the boner experiment film—and other nutrition flicks that have people rethinking their entire diet for about a week. They break down why these documentaries always go full fear-mongering mode, how they cherry-pick studies to push an agenda, wh
Body Image Bulls*ht, Fitness Culture, and Athletes
Support us on Patreon!What happens when the pressure to perform collides with the pressure to look a certain way? This week, we’re tackling body image in sports and fitness—breaking down the differences between body dysmorphia, body dissatisfaction, and body dysmorphic disorder (BDD), and why athletes are especially vulnerable.From social media-fueled comparison traps (looking at you, Facetune) to
Your Sports Nutrition Marketing Sucks.
Support us on Patreon!Follow us on Instagram! Your Diet Sucks is back, and today Zoë and Kylee are diving into the Wild Wild West of sports nutrition marketing—where sugar is the enemy, ketones are tactical, and somehow, gels need to be “guilt-free.”In this episode, we break down how sports nutrition marketing plays on fear, misinformation, and diet culture to sell you products that may or may not
Make America Healthy, Actually
You came here for nutrition tips and maybe some good-natured dunking on diet fads—not a deep dive into politics. But here’s the thing: food and health are political. And with Robert F. Kennedy Jr. pushing his "Make America Healthy Again" (MAHA) agenda, it's impossible to ignore how his take on fitness, food, and public health is pulling people into his camp.
On the surface, MAHA tap
Are You Addicted to Sugar?
Support us on Patreon!Is sugar the enemy? Or is it just misunderstood? In this episode of Your Diet Sucks Zoë and Kylee dive deep into the science and misconceptions behind sugar addiction, breaking down the science behind dopamine, deprivation, and diet culture.Join us as we cut through the BS, debunk inflammatory headlines, and reclaim the middle ground between demonizing sugar and downing 591 S
New Year’s Resolutions: Why Your Goals Suck and How to Fix Them
YDS is sponsored by Janji! Use our code "YDS" for 10% off your purchase.
YDS is sponsored by Microcosm Coaching. Get matched with a certified coach today!
New Year, same unrealistic resolutions? Zoë and Kylee dive into the science, myths, and psychology behind habit formation—and why your January goals are destined to flop without a game plan. From ancient Babylonian promises to modern-day Quitte
New Year Listener Question Extravaganza!
Join the Feisty Fueled Challenge!Sponsored by Microcosm Coaching and Fly Nutrition. Happy New Year! It’s the season of crash diets and bad advice, so we’re here to cut through the noise with evidence-based answers to your nutrition questions.In this episode, we’re covering: How to pick the best protein powder (and why Kylee has a lot of opinions). The secret to knowing if you’re eating enough with
The Reality of Racing Weight
Join the Feisty Fueled Challenge!
Kylee and Zoë wade into the murky waters of "racing weight"—a concept that’s been messing with athletes’ heads since the early days of endurance sports. From ancient Greek wrestlers sweating it out in bathhouses to modern-day endurance athletes chewing gum to spit out extra grams (yes, that’s a thing), the obsession with weight and performance has a long, bizarre
Are Superfoods a Scam?
Are superfoods a scam? From açaí bowls to spirulina smoothies to $40 green powders, the "superfood" label has become a $150 billion marketing machine. But most superfood claims are about branding, not science—and the term itself was invented to sell bananas.In this episode, Kylee and Zoë unpack the history of superfoods: how the word went from a 1940s marketing gimmick to a wellness indu
Is Biohacking Just Diet Culture for Men?
Is biohacking just diet culture repackaged for men? From cold plunges and Bulletproof coffee to ice baths and "optimization" spreadsheets, the wellness industry has found a way to sell restriction to dudes by calling it science. In this episode, Kylee and Zoë trace where biohacking came from, why "one weird trick" thinking is so seductive, and how the trend is feeding disordere
Is Your Fitness Tracker Helping or Hurting?
Take Our Audience Survey!This podcast is supported by Microcosm Coaching and Fly Nutrition. Is your Garmin making you crazy? Whoop, Oura, MyFitnessPal, Apple Watch—activity trackers promise optimization, but research shows they can fuel anxiety, obsessive behavior, and orthorexia in athletes. The line between "data-driven training" and compulsive self-monitoring is thinner than you think
Should You Trust Fitness Influencers?
YDS is supported by Microcosm Coaching and Fly Nutrition. Should you trust fitness influencers? From ancient Roman gladiators shilling olive oil to today's #fitspo accounts pushing supplements, humans have always been influenced—but social media has supercharged it. Studies show the people we interact with online can have real, measurable impacts on our mental and physical health—and athletes
Orthorexia: When Healthy Eating Becomes Unhealthy
YDS is supported by Microcosm Coaching.
In this episode, Kylee and Zoë dive into the evolving conversation around Orthorexia—a term for an unhealthy obsession with healthy eating. We explore the impact of societal norms, social media, and misinformation on people's relationship with food, particularly athletes. As more people seek to "clean up" their diets, we’re seeing how rigid rules and an ob
Do You Actually Need Supplements?
YDS is supported by Microcosm Coaching. Do you actually need supplements? The sports nutrition industry wants you to believe you can't perform without a cabinet full of pills, powders, and proprietary blends. But what does the research actually say—and how do you separate evidence from marketing?In this episode, Kylee and Zoë break down the supplement landscape: which ones have solid eviden
Eating Disorder Myths That Won't Die
YDS is supported by Microcosm Coaching. Most people with eating disorders don't look sick—and that's part of the problem. Eating disorders affect people of every size, gender, race, and athletic ability, but myths about who gets them and what they look like keep millions from getting treatment.In this episode, Kylee and Zoë debunk the most harmful misconceptions: that EDs only affect yo
Athletes, The Microbiome and Gut Health
YDS is supported by Microcosm Coaching. Kylee and Zoë take a magic school bus ride into the microbiome! We go back (waaay back) into the origins of the human microbiome and examine the research on how gut biota affects and interplays with athletic performance. Put your gloves on, because we’re digging into Zoë’s microbiome to get to know her on a very, very intimate level (the microbial level!)
When Diets Become Cults
YDS is supported by Microcosm Coaching. What makes a diet become a cult? From Kellogg's sanitarium to modern wellness retreats, the line between "lifestyle" and "indoctrination" is thinner than you'd think. Restrictive eating communities share surprising similarities with high-control groups: charismatic leaders, us-vs-them thinking, purity rituals, and the promise t
Is Alcohol Ruining Your Training?
YDS is supported by Microcosm Coaching. Is alcohol ruining your training? From post-race beers to wine with dinner, drinking is woven into athletic culture—but what does the research actually say about how alcohol affects performance, recovery, and long-term health?In this episode, Kylee and Zoë break down the science: how alcohol impacts sleep, hydration, muscle protein synthesis, and hormonal
Episode 2 - The Zero Calorie Ultra
YDS is supported by Microcosm Coaching.
Would you run 100 miles with zero calories? Should you?
In episode two, we break down the history - and the science - of fasting. We dive into why athletes seem drawn to a mentality of doing more with less fuel and the potential benefits of fasting compared with the downsides.
Melin A, Tornberg ÅB, Skouby S, Møller SS, Sundgot-Borgen J, Faber J, Sidelman
Ep. 1 - Why Athletes Fall For Diet Bullsh*t
YDS is supported by Microcosm Coaching.
Welcome to episode one! Get to know hosts Kylee Van Horn and Zoë Rom and why they’re endlesslessly fascinated with food. In this episode, we ask why athletes seem so prone to diet bullsh*t and pseudoscience. We discuss how social media has hastened the spread of pseudoscience and why “experts” tend to overstate their experience. We conclude with a discus
Introducing: Your Diet Sucks
Introducing Your Diet Sucks: A podcast about how we can unf*ck food. Registered dietitian nutritionist Kylee Van Horn and Journalist Zoë Rom are teaming up to demystify the science and dive into the cultural stories that make it so damn hard to just eat food. Episodes 1&2 drop July 24.
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