1. Dietary needs of nine-month-old babies In the diet of nine-month-old babies, breast milk or formula milk is still the main source of nutrition. In addition, babies gradually begin to try a variety of solid foods, including vegetables, fruits, noodles, meat and fish. During this stage, babies need enough protein, carbohydrates, and fats to support their growth and development. 2. Nutritional needs of nine-month-old babies At this stage, dairy products are one of the very important sources of nutrition. Milk is rich in calcium, while yogurt contains probiotics that help maintain intestinal health. also