In this podcast episode, the vital role of vitamin D is explored, highlighting its importance as a pro-hormone essential for immune health and overall well-being. Experts Tim Spector and Dr. Federica Amati discuss the common issue of vitamin D deficiency alongside the debates about supplementation. They cover natural sources of vitamin D, the impacts of not getting enough, the benefits of taking supplements, and the crucial role of sunlight exposure. Ultimately, the conversation promotes a holistic approach to health, emphasizing balanced nutrition and tailored medical advice.