The recipe for covonia lozenges has been specially created with really powerful flavours. The lozenges are formed in two halves, the brown side contains a warming flavour, while the white side is mentholated. P p due to the menthol content it is recommended not to eat more than 10 lozenges a day. Excessive consumption may produce laxative effects. P p features p p bull warming flavour br bull powerful menthol vapour br bull sugar free br bull gluten free br bull covonial lozenges are hand made the traditional way in yorkshire br bull suitable for vegetarians p p storage p p store in a cool, dry place below 25 degrees.