Supplements Exposed: What’s Healthy and What’s Harmful | Dr. Gemma Newman
The Exam Room by the Physicians Committee
Release Date: 10/28/2025
The Exam Room by the Physicians Committee
What if the most-watched health topics of 2025 could help you live healthier, longer, and with more control over your body? This Best of The Exam Room Podcast 2025 compilation brings together the three pisodes that viewers couldn’t stop watching — because they tackled problems that affect nearly everyone: ✔️ High cholesterol ✔️ Low fiber intake ✔️ Exposure to microplastics This episode features highlights from separate interviews with Chuck Carroll and Dr. Michael Greger, Dr. Danielle Belardo, and Dr. Hana Kahleova — the conversations that delivered the most practical,...
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Are ultra-processed foods the hidden reason weight loss feels impossible? Chuck Carroll is joined by Dr. Jim Loomis, medical director at Barnard Medical Center, to break down the science behind ultra-processed foods and their powerful impact on weight gain, metabolism, hunger, and fat storage. From packaged snacks and fast food to so-called “healthy” convenience items, ultra-processed foods now make up a majority of the modern diet. Dr. Loomis explains how these foods affect appetite hormones, blood sugar, calorie intake, and the body’s ability to lose weight — and why simply “eating...
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GLP-1 drugs like Ozempic, Wegovy, and Zepbound are changing medicine — but at what cost? In this episode of The Exam Room Podcast, host Chuck Carroll sits down with Ben Urich, PharmD, PhD, to break down the real-world data behind the GLP-1 explosion. You’ll learn: - How many people are actually using GLP-1 drugs - Why most users stop — and why that’s starting to change - The true cost of GLP-1 medications to employers and health plans - Common and serious side effects to be aware of - Why GLP-1s are now being studied for Alzheimer’s disease and addiction - What the future holds as...
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Is cheese really addictive? According to Dr. Neal Barnard, the answer is a resounding YES. The brain reacts nearly identically to cheese as it does narcotics and alcohol. While it sounds shocking, these claims are backed by science. In this episode of The Exam Room Podcast, Chuck Carroll sits down with the author of The Cheese Trap to uncover how opioid-like compounds concentrated in cheese—activate powerful pleasure pathways, why U.S. cheese consumption has exploded to nearly 40 pounds per person per year, and how the dairy industry keeps us hooked. You’ll discover: • The opiate...
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Discover the truth about omega-3 and omega-6 fatty acids in this eye-opening interview with Dr. Kaixiong (Calvin) Ye, one of the world’s leading genetic epidemiologists studying nutrition and chronic disease. Dr. Ye joins Chuck Carroll to explain new findings on: - Whether omega-6 is really inflammatory - How omega-3 and omega-6 impact cancer and mortality - Why the omega-6:omega-3 ratio is misleading - The controversy around omega-3 and prostate cancer - How genetics influence omega-3 metabolism - What precision nutrition will look like in the future You’ll learn what the latest science...
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Can a streaming network help change the future of food, media, and the planet? Emmy-winning journalist and UnchainedTV founder Jane Velez-Mitchell sits down with Chuck Carroll to reveal why plant-based storytelling is exploding right now — and why mainstream media still resists the movement. Discover how UnchainedTV grew to more than 20 million views, what FAST channels mean for the future of television, and why the meat industry launched an all-out messaging war against veganism. Jane also shares behind-the-scenes insight into new documentaries, adorable rescued pigs, celeb cooking shows,...
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Can your cholesterol drop more than 150 points in just 15 days without medication? Dr. Ted Barnett joins Chuck Carroll at the International Conference on Nutrition and Medicine to reveal the stunning results he’s seeing with patients who adopt a whole food plant-based diet. Inside Lifestyle Medicine Grand Rounds, Dr. Barnett has witnessed cholesterol levels fall by 150–200 points in two weeks, average drops of 64 points, and dramatic improvements in blood sugar, inflammation, and energy — often outperforming the results of statins. This episode dives deep into why...
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New research shows that simply choosing plant-based foods can slash your environmental footprint — and dramatically improve your health at the same time. In this episode of The Exam Room Podcast, Chuck Carroll is joined by Dr. Hana Kahleova to uncover how different diets compare when it comes to land use, water use, greenhouse gases, and planetary health. The results are stunning: 🌱 Vegan diets use up to 8× less land 💧 Up to 85× less water 🔥 Up to 28× lower warming potential 💰 Cheaper and healthier overall 🏋️ Participants in clinical trials lost 14+ pounds while cutting...
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Graphic Title: 1 in 5 UTIs? Graphic Note: Need Neal and Chuck on here with some raw chicken and turkey. Show Title: 95% Reduce Medications: Dr. Brad Moore on the Power Reversing Diseases Show Description: Discover how lifestyle medicine can reverse chronic disease in this powerful conversation between Chuck Carroll and Dr. Brad Moore, Director of the Lifestyle Medicine Program at George Washington Medical Faculty Associates. Dr. Moore explains why the root cause of conditions like diabetes, high cholesterol, hypertension, and heart disease is often lifestyle—not genetics. He shares how...
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Can the chicken on your plate be causing urinary tract infections? New research says yes — and the findings may shock you. In this must-watch episode of The Exam Room Podcast, host Chuck Carroll is joined by Dr. Neal Barnard to break down a landmark study revealing that poultry—especially chicken—is responsible for approximately 1 in 5 UTIs in the United States. Dr. Barnard explains: - How E. coli from poultry contaminates meat - Why cooking isn't enough to eliminate risk - How cross-contamination happens in home kitchens - Why infection rates spike in certain...
info_outlineAre supplements helping you — or wasting your money?
In this episode of The Exam Room Podcast, Dr. Gemma Newman joins Chuck Carroll to break down the science, myths, and marketing behind the multibillion-dollar supplement industry.
Discover which supplements are truly worth taking, which can be harmful in excess, and how to build better health through a whole-food, plant-based diet.
Whether you’re taking vitamin B12, vitamin D, omega-3, or a daily multivitamin, Dr. Newman explains how to personalize your nutrition safely and effectively.
In This Episode:
- The truth about supplements and what’s actually backed by science
- Why multivitamins don’t extend lifespan — and can sometimes harm your health
- How to get vitamin B12 safely
- The risks of “natural” supplements
- The difference between fish oil vs. algae-based omega-3s
- Dr. Newman’s SMART method: Science, Mechanism, Aim, Risk vs. Benefit, Tracking
- How to spot fake supplement ads and AI deepfakes online
Known as The Plant Power Doctor, Dr. Newman is a respected physician and lifestyle medicine expert helping patients reverse chronic disease through evidence-based nutrition and lifestyle change.
🌱 Start your journey to better health today!
Work with the expert doctors and dietitians at the Barnard Medical Center: https://www.BarnardMedical.org
👩🏼⚕️ Visit Dr. Newman’s website: https://gemmanewman.com
💻 Apply to become a Building Healthy Communities intern or see current career openings at PCRM: https://www.pcrm.org/about-us/careers
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