SlimFast Advanced Keto Fuel Shake is nutritionally balanced for a lower-carb Keto lifestyle, our new advanced range is specially formulated to support your body in shifting it's energy source from carbohydrates to fats. Chocolate flavour powdered shake mix with sweeteners Welcome to Slim Fast Keto! Nutritionally balanced for a lower-carb Keto lifestyle, our new advanced range is specially formulated to support your body in shifting it's energy source from carbohydrates to fats. Crafted to help you feel Keto confident, our Fuel Shakes are sugar free and made with selected ingredients, enriched with zinc to help your body metabolise fat and vitamins B6 & B12 to support your energy levels. Available in a range of deliciously satisfying shakes and snacks, Slim Fast Advanced Keto is fuelled by fats and free from artificial colours and preservatives.