How to Use Fruits and Vegetables to Help Manage Your Weight Fruits and vegetables are part of a well-balanced and healthy eating plan. There are many different ways to lose or maintain a healthy weight. Using more fruits and vegetables along with whole grains and lean meats, nuts, and beans is a safe and healthy one. Helping control your weight is not the only benefit of eating more fruits and vegetables. Diets rich in fruits and vegetables may reduce the risk of some types of cancer and other chronic diseases.