Dr. Cowan of Phenom High Performance Medicine joins us to chat about the vitamins and minerals that help maintain a healthy immune system. We also discuss the liver, metabolism, insulin resistance, best time to take probiotics, what Zinc helps us with, the importance of deep sleep and its role in healing and more. You can learn more about Dr. Cowan and his team over at: www.PhenomHPM.com or on Instagram @phenom_doc .