Effective Natural Supplements to Enhance Immunity By Zoltan P. Rona, MD, MSc As “flu season” kicks in, people are seeking alternatives to vaccines, especially given the concerns about effectiveness and harmful side effects. While vaccines are promoted as the primary method for preventing the flu, natural strategies offer powerful alternatives. Dr. Zoltan P. Rona, in … Continue reading Dr. Zoltan Rona’s Top 10 Supplements to Boost Your Defences Against the Flu