Seven seas haliborange effervescent sugar free vitamin c blackcurrant tablets are one a day tablets that are dissolved in water to create a delicious drink to make sure your day gets off to the best start just one tablet provides as much vitamin c as 20 freshly squeezed oranges and delicious natural flavours such as lemon they will replace the lost vitamin c from colds and flu and when taken every day they will maintain good overall health and strong immunity it is important to take them dai