These tablets are a great zinc supplement that is taken daily during the COVID-19 pandemic to protect the human cells from having the Coronavirus attach and replicate, destroying the human cells in the process of reproducing and making the body suffer from the illness. They are great for avoiding the common cold, the Influenza and many other Coronavirus infections. When flying or cruising during Flu Season they come in hand for protection. Better than taking Echinacea supplements for the same reason. No cold, Flu or COVID-19 illnesses here. Get smart and stay healthy. Take Zinc as a preventive