FISHERMAN'S FRIEND Sugar Free Mint lozenges are gluten-free and contain no genetically modified organisms. Lozenges are cholesterol and sugar free. The product is suitable for coeliacs and vegans and is Kosher and Halal approved. Sugar Free Mint lozenges have a shelf life of two years. Please refer to the package for expiration date.FISHERMAN'S FRIEND products are dairy free and made from plant and vegetable sources only. Our Sugar Free range of products are based on a substance called sorbitol which is officially described as a polyhydric alcohol or polyol. However, for nutritional information purposes, it is classed as a carbohydrate. It is suitable for use in diabetic products as its metabolism requires a low insulin demand. It is largely metabolised via fructose and not glucose.