This episode is brought to you by Cozy Earth and InsideTracker.In an ideal world where soils are rich and the air and water are pure, we would be able to get the vitamins and nutrients we need to optimally support and sustain a disease-free life through diet alone. However, that’s just not practical for most of us in our toxic, modern world.On today’s mini-episode, Dhru sits down with Chris Kresser to talk about the increasing issue of nutritional deficiencies, how we got here, and how to add back in what the modern world squeezed out. Chris Kresser is the co-founder of the California Center for Functional Medicine, the founder of Kresser Institute, the host of the top-ranked health podcast Revolution Health Radio, the creator of ChrisKresser.com, and the New York Times bestselling author of The Paleo Cure and Unconventional Medicine. He is one of the most respected clinicians and educators in the fields of Functional Medicine and ancestral health and has trained over 2,000 clinicians and health coaches with his unique approach. He has recently launched Adapt Naturals, a supplement line designed to add back into your diet what the modern world has crowded out and help people perform and feel their best. In this episode we dive into: -The top three nutrient deficiencies -Signs of nutrient deficiencies-Nutrients people can get too much of-Optimal vitamin D levels -Nutrients people should people be careful supplementing with -The importance of vitamin K2 and choline -Understanding calcium and vitamin A deficiencies-Why phytonutrients are so important-Chris’s new supplement line, Adapt Naturals  Listen to the full episode here. For more on Chris Kresser, follow him on Instagram @chriskresser, Facebook @chriskresslac, Twitter @chriskresser, YouTube @chriskresser, and through his website, chriskresser.com.This episode is brought to you by Cozy Earth and InsideTracker.Cozy Earth are the most comfortable, temperature-regulating, and nontoxic sheets on the market. Right now, get 40% off your Cozy Earth sheets. Just head over to cozyearth.com and use code DHRU.InsideTracker provides detailed nutrition and lifestyle guidance based on your individual needs. Right now, they’re offering my podcast community 20% off. Just go to insidetracker.com/DHRU to get your discount and try it out for yourself. Hosted on Acast. See acast.com/privacy for more information.