- Achieving or maintaining a healthy weight: This may involve weight gain in undernourished patients or weight loss in overweight patients. - Ensuring adequate protein intake: Essential for tissue repair and muscle maintenance, especially in post-surgical patients. - Balancing electrolytes and fluids: Critical for patients with conditions like heart failure or kidney disease. - Managing blood sugar levels: Particularly important in diabetic patients to prevent complications. - Enhancing nutrient absorption: For patients with gastrointestinal issues, ensuring they absorb sufficient vitamins and minerals.