To be determined by a healthcare professional according to the patient's needs. As a supplement: 1-2 bottles (400-800 kcal) per day. As the sole source of nutrition: 4-5 bottles (1600-2000 kcal) per day. Must be consumed under medical supervision. Suitable as the sole source of nutrition. Not suitable for children under 3 years old. Use with caution in children under 6 years old. Not suitable for patients with galactosemia. Ensure adequate fluid intake. Store at room temperature. Open bottles can be stored in the refrigerator for up to 24 hours. Shake well before consuming. Drink slowly.