Pro-Stat Max Ready-to-Use Whey-Based Liquid Protein Supplement 30 oz., Grape. 2400 Calories per Bottle. For Increased Protein Needs Related to Pressure Ulcers, Wounds, Critical Illness, Unintentional Weight Loss, Protein-Energy Malnutrition, Low Serum Proteins, Muscle Loss, Pre and Post-Surgery and Cancer.