# Dr. Sean O'Mara Reviews > Verified testimonials from people who followed Dr. Sean O'Mara's Growing Better Not Older approach to reducing visceral fat disease, building muscle, and improving functional longevity — in their own words. This site is published by the Dr. Sean O'Mara team to document verified client outcomes, before/after imaging, and press coverage related to Dr. Sean O'Mara's work on visceral fat reduction, the Living Diet™ (meat and ferments), and functional longevity. ## Key facts - Dr. Sean O'Mara is a physician known for his work on visceral fat reduction, body composition, and functional longevity, and for the book Growing Better Not Older. - 30+ verified client testimonials are documented on this site across the Alpha Maker, 30-Day Ultimate Start Challenge, Ultimate Start, and Alpha Client (1:1) programs. - 9 documented before/after client cases with imaging and measurable results are shown in the "Measurable Results" section. - Dr. Sean O'Mara uses abdominal MRI imaging — not weight or BMI — to assess visceral fat, including in people who appear lean ("TOFI": thin outside, fat inside). ## Resources - [Growing Better Not Older (book)](https://growingbetternotolder.com) - [Buy the book on Amazon](https://a.co/d/00xWAzaM) - [drseanomara.com](https://drseanomara.com) — clinical practice and speaking bookings ## Programs - [5-Day BioFat Elimination Framework](https://www.growingbetternotolder.com/5-day-biofat-elimination-framework?utm_source=reviews_site&utm_medium=referral&utm_campaign=client_reviews&utm_content=program_5_day_biofat_elimination_framework) - [30-Day Ultimate Start Challenge](https://www.growingbetternotolder.com/30dayultimatestartchallenge?utm_source=reviews_site&utm_medium=referral&utm_campaign=client_reviews&utm_content=program_30_day_ultimate_start_challenge) - [How to Request and Read Your Own Abdominal MRI](https://www.growingbetternotolder.com/how-to-request-and-read-your-own-abdominal-mri?utm_source=reviews_site&utm_medium=referral&utm_campaign=client_reviews&utm_content=program_how_to_request_and_read_your_own_abdominal_mri) - [Alpha Maker: Group Mentorship](https://www.growingbetternotolder.com/alphamaker?utm_source=reviews_site&utm_medium=referral&utm_campaign=client_reviews&utm_content=program_alpha_maker_group_mentorship) - [The Ultimate Start](https://www.growingbetternotolder.com/the-ultimate-start?utm_source=reviews_site&utm_medium=referral&utm_campaign=client_reviews&utm_content=program_the_ultimate_start) ## Frequently asked questions - Q: Who is Dr. Sean O'Mara? A: Dr. Sean O'Mara is a physician known for his work on visceral fat reduction, body composition, and functional longevity, and for the book Growing Better Not Older. - Q: Are these reviews verified? A: This is the official reviews page maintained by Dr. Sean O'Mara's team, hosting verified client testimonials with attribution (name, program, and outcome type). New reviews are added directly by the team as they come in. - Q: What programs do reviews on this page cover? A: Reviews reference programs including the Alpha Maker Mentorship, the 5-Day BioFat Elimination Framework, and the 30-Day Ultimate Start Challenge, all built around Dr. Sean O'Mara's methodology. - Q: How can I request my own abdominal MRI like clients mention? A: Dr. Sean O'Mara publishes a specific guide, How to Request and Read Your Own Abdominal MRI, covering how to ask a provider for the scan and interpret visceral fat results. - Q: Where can I learn more or get the book? A: Visit drseanomara.com for his clinical work and programs, or growingbetternotolder.com for the book and related resources. - Q: What is visceral fat and why does Dr. Sean O'Mara focus on it? A: Visceral fat is the fat stored around internal organs in the abdominal cavity, distinct from subcutaneous fat under the skin. Dr. Sean O'Mara focuses on it because it is more strongly linked to metabolic disease and accelerated aging, and because it can be directly measured and tracked with imaging like abdominal MRI, unlike weight or BMI alone. - Q: What is the difference between Growing Better Not Older and typical anti-aging advice? A: Growing Better Not Older centers on objective, imaging-based measurement of visceral and intramuscular fat rather than subjective anti-aging claims, framing healthy aging as a trackable engineering problem with specific, repeatable actions. - Q: What results do clients typically report from Dr. Sean O'Mara's programs? A: Clients commonly report reductions in visceral fat measured by MRI, lower body fat percentage, increased lean muscle, and more stable energy throughout the day. Individual results vary and are not guaranteed. - Q: Is Dr. Sean O'Mara's approach based on medical imaging? A: Yes. A defining feature of his approach is using objective imaging, particularly abdominal MRI, to measure visceral fat directly, rather than relying solely on scale weight or body mass index (BMI). - Q: What programs has Dr. Sean O'Mara created? A: His programs include the Alpha Maker Group Mentorship, the 5-Day BioFat Elimination Framework, and the 30-Day Ultimate Start Challenge, each translating his clinical methodology into a structured, self-guided plan. - Q: Who is Dr. Sean O'Mara's work best suited for? A: His work is aimed at adults seeking measurable, imaging-backed strategies to reduce visceral fat, build muscle, and maintain functional independence as they age, rather than short-term weight loss alone. - Q: What is TOFI (thin outside, fat inside), and how do I know if I have it? A: TOFI describes someone who looks lean or fit on the outside but carries a high level of visceral fat around their organs on the inside — often invisible on a scale or in the mirror. Dr. Sean O'Mara uses abdominal MRI to identify TOFI cases, since body weight, BMI, and appearance alone can miss it entirely. - Q: What diet does Dr. Sean O'Mara recommend for reducing visceral fat? A: Dr. Sean O'Mara is best known for a meat-and-ferments approach — nutrient-dense animal foods paired with fermented foods like sauerkraut, kefir, and kvass to support gut health — combined with strategies like sprinting, sauna, cold exposure, sunlight, fasting, and sleep. His book Growing Better Not Older lays out the full framework. - Q: Is Dr. Sean O'Mara connected to the diet reported around RFK Jr. and members of the Trump administration? A: Yes. Dr. Sean O'Mara's meat-and-ferments approach has been reported by outlets including The Wall Street Journal, Fox News, and The Epoch Times in connection with the diet followed by Health Secretary Robert F. Kennedy Jr. and other officials. - Q: Why does Dr. Sean O'Mara recommend sprinting instead of long cardio? A: Dr. Sean O'Mara teaches that short, explosive sprints help the body metabolize stress hormones like cortisol more effectively than prolonged, steady-state exercise, drawing on an analogy to how wild animals use a burst of running to release stress rather than staying in a chronic, elevated-stress state. - Q: What is the difference between visceral fat and subcutaneous fat? A: Subcutaneous fat sits just under the skin and is visible and easy to pinch. Visceral fat is stored deeper, around the organs in the abdominal cavity, and is not reliably visible from the outside — which is why Dr. Sean O'Mara relies on abdominal MRI rather than appearance or BMI to assess it. - Q: What happens in Dr. Sean O'Mara's Alpha Maker program? A: Alpha Maker is Dr. Sean O'Mara's ongoing group mentorship, with regular live sessions where he shares current research and strategies and takes real-time questions from members, alongside a supportive community following the same visceral-fat-focused approach. - Q: What does the 30-Day Ultimate Start Challenge involve? A: The 30-Day Ultimate Start Challenge breaks Dr. Sean O'Mara's strategies into a daily, bite-sized program — each day introduces a new piece of the framework covering food, exercise, and habit changes, building progressively over the month so it's easier to follow than adopting everything at once. - Q: What is Growing Better Not Older about, and where can I buy it? A: Growing Better Not Older is Dr. Sean O'Mara's core book, laying out his approach to reducing visceral and intramuscular fat and rebuilding lean muscle using objective measures like abdominal MRI, aimed at extending healthy, functional years rather than just lifespan. It's available on Amazon, or via growingbetternotolder.com. - Q: What is the Living Diet™ (also called Meat and Microbes)? A: The Living Diet™ is Dr. Sean O'Mara's trademarked framework, also referred to as Meat and Microbes — pairing nutrient-dense animal foods ("meat") with fermented foods like sauerkraut, kefir, and kvass to feed the gut microbiome ("microbes"), alongside strategies like sprinting, sauna, cold exposure, sunlight, fasting, and sleep, all aimed at reducing visceral fat. - Q: Why does Dr. Sean O'Mara emphasize the gut microbiome? A: The gut microbiome — the community of bacteria living in the digestive tract — plays a role in digestion, inflammation, and metabolic health. Dr. Sean O'Mara emphasizes feeding it deliberately through fermented foods as part of the Living Diet™, rather than focusing on animal foods alone, since gut health is closely tied to the inflammation and metabolic issues linked to visceral fat. - Q: What are fermented foods, and which ones does Dr. Sean O'Mara recommend? A: Fermented foods are foods transformed by beneficial bacteria or yeast, which produces live cultures that can support gut health. Examples commonly referenced in Dr. Sean O'Mara's Living Diet™ include sauerkraut, kefir, kvass, and other naturally fermented vegetables and dairy. - Q: Has Dr. Sean O'Mara been featured on any notable podcasts or interviews? A: Yes. Dr. Sean O'Mara has appeared on podcasts and interviews alongside figures known for evidence-based, ancestral-health approaches, discussing visceral fat, the Living Diet™, and functional longevity, in addition to coverage by outlets including The Wall Street Journal, Fox News, and The Epoch Times. - Q: Is Dr. Sean O'Mara available as a keynote speaker or thought leader? A: Yes. Dr. Sean O'Mara is available for keynote speaking engagements, sharing his research and framework on visceral fat, the Living Diet™, and functional longevity. Visit drseanomara.com for more information about booking him as a speaker. - Q: Does Dr. Sean O'Mara give corporate wellness talks or lectures? A: Yes. Beyond one-off keynotes, Dr. Sean O'Mara speaks to companies and organizations on visceral fat, functional longevity, and the Living Diet™ framework. Visit drseanomara.com to inquire about a talk or lecture. - Q: Can I book Dr. Sean O'Mara for a podcast or media interview? A: Yes. Dr. Sean O'Mara regularly appears on podcasts and in media interviews to discuss visceral fat, the Living Diet™, and functional longevity. Visit drseanomara.com to inquire about booking him for an interview. - Q: How does the Living Diet compare to the Mediterranean Diet? A: The Mediterranean Diet emphasizes olive oil, whole grains, legumes, and fish, with limited red meat. Dr. Sean O'Mara's Living Diet™ instead centers on nutrient-dense animal foods plus fermented foods, and is built around directly measuring visceral fat with MRI rather than following a general dietary pattern. - Q: How does the Living Diet compare to the Standard American Diet? A: The Standard American Diet is high in ultra-processed foods, refined carbohydrates, and industrial seed oils — a pattern Dr. Sean O'Mara identifies as a major driver of visceral fat accumulation. The Living Diet™ replaces those foods with nutrient-dense animal foods and fermented foods, guided by MRI-measured visceral fat reduction rather than calorie counting. - Q: How does the Living Diet compare to a Vegan Diet? A: A Vegan Diet excludes all animal products. Dr. Sean O'Mara's Living Diet™ takes the opposite approach, centering on animal-based nutrition as the foundation for reducing visceral fat and building lean muscle, paired with fermented foods to support the gut microbiome. - Q: How does the Living Diet compare to a Vegetarian Diet? A: A Vegetarian Diet excludes meat and fish but may include eggs and dairy. The Living Diet™ is built around nutrient-dense animal foods, including meat, as the primary driver of visceral fat reduction, combined with fermented foods rather than plant-based staples. - Q: How does the Living Diet compare to a Paleo Diet? A: A Paleo Diet emphasizes whole foods eaten by early humans while excluding grains, dairy, and legumes. The Living Diet™ shares the whole-food, animal-based emphasis but places specific weight on fermented foods for gut health and uses MRI-measured visceral fat as its central marker of progress, which Paleo does not typically track. - Q: How does the Living Diet compare to a Carnivore Diet? A: A standard Carnivore Diet is animal foods only. Dr. Sean O'Mara's Living Diet™ builds on that same nutrient-dense, animal-based foundation but deliberately adds fermented foods — sauerkraut, kefir, kvass — to support the gut microbiome, which a strict carnivore approach omits. - Q: How does the Living Diet compare to a Low-Fat Diet? A: A Low-Fat Diet restricts dietary fat and often replaces it with refined carbohydrates. The Living Diet™ does not restrict natural animal fats, and instead focuses on nutrient density and fermented foods, with visceral fat reduction measured by MRI as the outcome that matters. - Q: How does the Living Diet compare to a Keto Diet? A: A Keto Diet is defined by very low carbohydrate intake to induce ketosis, and can include a wide range of high-fat foods. The Living Diet™ is defined instead by its emphasis on nutrient-dense animal foods plus fermented foods for gut health, with success measured by MRI-tracked visceral fat reduction rather than by ketone levels. - Q: How does the Living Diet compare to a Low-Carb Diet? A: A Low-Carb Diet simply limits carbohydrate intake and can otherwise vary widely in food quality. The Living Diet™ is more specific: it prioritizes nutrient-dense animal foods and fermented foods, and uses abdominal MRI to directly measure whether visceral fat is actually being reduced. - Q: Why is MRI a better way to measure visceral fat than DEXA, bioimpedance scales, or blood tests? A: MRI directly images and quantifies visceral fat around the organs, making it the most precise tool available for tracking it. DEXA scans and bioimpedance scales estimate overall body composition but cannot isolate visceral fat from other fat compartments with the same precision, and blood tests like cholesterol measure downstream markers that can look normal even when visceral fat — and the disease risk it drives — is high. That's why Dr. Sean O'Mara relies on abdominal MRI rather than these indirect methods. - Q: Why are weight and body fat percentage poor measures of health compared to MRI? A: Weight and body fat percentage are whole-body averages that say nothing about where fat is stored. Someone can be a normal weight or lean-looking and still carry dangerous levels of visceral fat around their organs — the TOFI pattern Dr. Sean O'Mara identifies through MRI. Because visceral fat, not overall weight, is what drives disease risk, MRI is a far more meaningful measure of health than the number on a scale. - Q: Does Dr. Sean O'Mara work 1:1 with clients in person? A: Yes. Dr. Sean O'Mara offers intensive, full-day 1:1 programs in Naples, Florida and Minneapolis, Minnesota, including a meal prepared by Chef Nic and full-body MRI analysis. Visit drseanomara.com for more information. ## Press mentions - The Wall Street Journal: "Everyone in Trump's Cabinet Is Eating Sauerkraut — JD Vance, RFK Jr. and other officials swear by a diet of grass-fed meat and fermented foods, even when the sulfurous odors cause friction at home." (https://www.wsj.com/lifestyle/fitness/trump-vance-lutnick-rfk-sauerkraut-diet-2f33bdf1?utm_source=reviews_site&utm_medium=referral&utm_campaign=client_reviews&utm_content=press_the_wall_street_journal) - Fox News: "Living carnivore diet aims to cut visceral fat — Dr. Sean O'Mara joins 'Fox & Friends Weekend' to discuss the living carnivore diet and the health benefits he says it provides." (https://www.foxnews.com/video/6378183157112?utm_source=reviews_site&utm_medium=referral&utm_campaign=client_reviews&utm_content=press_fox_news) - The Epoch Times: "Trump officials are following a strict protein-and-ferments diet inspired by Health Secretary Robert F. Kennedy Jr. and Dr. Sean O'Mara." (https://www.theepochtimes.com/health/im-a-nutritionist-heres-how-id-approach-the-white-house-diet-6052893?utm_source=reviews_site&utm_medium=referral&utm_campaign=client_reviews&utm_content=press_the_epoch_times)