The Role of Vitamin D in Viral Infection Resistance Discussion Between Dr. Bruce Hollis, Dr. Carol Wagner and Carole Baggerly & Dr. Mercola
Dr. Joseph Mercola - Take Control of Your Health - Podcast autorstwa Dr. Mercola

In this interview, I interview three vitamin D experts about the importance of vitamin D for improving your immune function and resistance to viral infections of all kinds, including COVID-19.