What goes into creating a nutritional supplement that is truly backed by science? On this episode of Dr. Jeff & Friends, I'm joined by Dr. Nancy Bryan, former LifeVantage formulator, scientist, and educator, for a fascinating behind-the-scenes look at how science-based nutritional products are developed. Rather than simply discussing ingredients, we explore the why behind the formulations and how thoughtful design can influence health, metabolism, and healthy aging. During our conversation we discuss: • Dr. Bryan's role in developing LifeVantage's D+ (Vitamin D+), AM/PM Vitamins, and Prebiotic • Why Vitamin D deficiency remains one of the most common nutritional deficiencies in America—even for people living in sunny climates • The science behind circadian nutrition and why taking specific nutrients in the morning versus the evening may improve how your body utilizes them • The importance of trace minerals such as copper, zinc, iodine, selenium, and molybdenum, and the critical roles they play in metabolism, thyroid health, antioxidant defense, and cellular function • Why balancing nutrients is often more important than simply taking higher doses • The often-overlooked relationship between prebiotics and probiotics, why they work together, and how supporting your microbiome begins by feeding the beneficial bacteria already living in your gut If you've ever wondered why some supplements seem thoughtfully designed while others are simply a collection of ingredients, this conversation provides a rare look inside the science of nutritional formulation. Whether you're interested in healthy aging, metabolism, thyroid health, gut health, or simply making smarter decisions about supplementation, you'll come away with practical insights you can begin applying immediately. Be sure to subscribe to Dr. Jeff & Friends for more conversations with leading physicians, scientists, innovators, and health experts as we explore how to take back control of your health, your wealth, and your destiny. #DrJeffAndFriends #DrNancyBryan #LifeVantage #VitaminD #NutritionScience #SupplementScience #HealthyAging #CircadianRhythm #FunctionalMedicine #GutHealth #Prebiotics #Microbiome #NRF2 #Metabolism #ThyroidHealth #Longevity #HealthOptimization #Wellness #Podcast #ApplePodcasts #SpotifyPodcasts #YouTube
