There are several ways to keep your gastrointestinal (GI) system healthy. Here are some helpful tips: 1. Maintain a balanced diet: Eat a variety of fruits, vegetables, whole grains, lean proteins, and healthy fats. Avoid excessive consumption of processed foods, sugary drinks, and high-fat meals. 2. Stay hydrated: Drink plenty of water throughout the day to keep your digestive system functioning properly and to prevent constipation. 3. Eat fiber-rich foods: Include foods high in fiber, such as whole grains, legumes, fruits, and vegetables. Fiber aids in digestion and helps prevent constipation.