Despite the rapid advances in medical science in the last 100 years, there is no effective vaccine or antiviral drug to prevent or cure the common cold. ​Since ancient times, extracts from various herbal products have been used to reduce symptoms of the common cold. ​In more recent times, we see various vitamins, minerals and herbal supplements being touted as a means to either prevent colds or reduce the symptoms. Can we really prevent and treat the common cold with nutritional supplements such as vitamin C, zinc or Echinacea? In this episode, we take a closer look at the evidence and learn about the most promising nutritional supplements that can help to prevent and treat the common cold.