Peter Acs MD, PhD discusses how important nutrition is for your immune system especially during the times of Covid-19 and the beginning of the cold and flu season. Do vitamins have a role in supporting the immune system? Dr. Acs discusses vitamins such as A, B-12, C, D, Zinc, Probiotics, Beta Glucan and more, and their role to support the immune system. As the old saying goes, “an apple a day keeps the doctor away.”