What is exante Low Sugar Mango Smoothie? Smooth, creamy and oatally delicious, our Low Sugar Mango Smoothie is gluten-free and made from real oat flour. With a fresh, fruity flavour, you can enjoy the rich mango taste with zero guilt. This fruity meal replacement shake is high in protein and fibre. How to enjoy an exante low sugar mango smoothie? Whether you are looking to control your calorie intake or for a nutritious diet shake, the best meal replacement shakes are protein and vitamin-enriched supplements to healthy, balanced diets.