Sit up straight and eat your vegetables! To feel satisfied after eating and still lose weight, you should serve vegetables with every meal.  Healthy tips for weight loss would not hold much weight with Mom if they did not include vegetables. Adding vegetables fills you up without the sleepy feeling you sometimes get after large meals. Vegetables contain a high water content, which your body can always use. You can choose a variety of veggies, which are significantly lower in calories than most other food choices. Dieters who have a low cal salad before lunch tend to eat 12 percent fewer calories during the main course.