Vanilla Flavoured UHT Milk Drink With Added Milk Protein. Arla Farmers Taking Steps Today Doing It for Tomorrow. Get the full story: arla/farmers. Arla Protein Vanilla Flavoured Milk Shake is deliciously smooth, creamy, and refreshing, with 26g protein per bottle. Perfect to drink at home or on the go to keep you feeling your best. They are low in fat, lactose free, 40% lower in sugar than similar products*, and contain no artificial colourings, flavourings, or sweeteners. Tastiest served chilled, but safe to consume when kept outside of the fridge. Protein contributes to the maintenance of muscle mass, when consumed as part of a varied and balanced diet and healthy lifestyle.* Contains 40% less sugar than comparable flavoured milk drinks due to being lactose free: lactose content <0.01 g/100 ml.