Demi-soda lemon flavour with a refreshing twist Demi Soda Lemon is a tangy, refreshing way to freshen up your palate. It contains concentrated lemon juice to deliver the rich refreshing flavour of real lemons. It's a great accompaniment to fatty foods like chicken, pizza, and grilled meats, as it cleanses your palate so you can enjoy your meal even more. Demi Soda Lemon is also a great way to cool down with the lightness of carbonation.