Redoxon double action effervescent tablets 10s gives your body a first line defence to fight off and prevent troublesome infections such as colds flu and fever clinically made with a dual action formula redoxon tablets synthesise a powerful combination of vitamin c and zinc which work to combat free radicals and support immune defence perfect for when youre not feeling your best these tablets easily dissolve to give you a drink thats both beneficial to your health and deliciously tasty