Banana Flavour Milkshake Mix with Added Vitamin C and D for Milk. Enjoy Nesquik Banana? Why not also try Nesquik Chocolate or Strawberry? Banana flavour milkshake mix with added vitamin C and D for milk. Enjoy Nesquik as part of a healthy, family breakfast and balanced diet and lifestyle. A great tasting milkshake can also be nutritious! Nesquik wakes up your milk with a delicious banana taste along with Vitamin D, which contributes to the normal function of the immune system. Calcium# & Vitamin D are needed for the normal growth & development of bones in children.