Each sachet of Fybogel Orange holds a single dose of granules containing 3.5g ispaghula husk BP as the active ingredient. Each sachet also contains citric acid, potassium bicarbonate, sodium bicarbonate, polysorbate 80, silica colloidal anhydrous and orange flavour. Fybogel Orange is coloured with beta carotene and riboflavine sodium phosphate and is sweetened with aspartame and saccharin sodium. The granules are mixed with water to form an orange-flavoured drink.