Zinc plays an important role in our bodies' biological functions, including our immune system, inflammation, tissue injury, blood pressure, and our tissue responses to a lack of oxygen (hypoxia). As such, zinc is essential for taste, smell, vision, growth, cell-building, the healing of wounds, and our immunity from infections.
This is a companion discussion topic for the original article at https://patient.info/news-and-features/can-zinc-lozenges-protect-against-coughs-colds-flu-and-covid-19