Supplements Exposed: What's Healthy and What's Harmful | Dr. Gemma Newman
Supplements Exposed: What's Healthy and What's Harmful | Dr. Gemma Newman  
Podcast: The Exam Room by the Physicians Committee
Published On: Tue Oct 28 2025
Description: Are 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   If you feel like you've raised your health IQ, please leave a 5-star rating and nice review on Apple Podcasts or Spotify.