Eating only fruits and veggies sounds great in theory. meal plan calling only for fruits and vegetables is imbalanced and can present serious health risks. Breakfast could be a berry blend and fresh vegetable juice or a large fruit smoothie. You would likely lose weight eating salads and fruit at every meal, but you may also be Fruits and veggies also provide beneficial potassium -- a heart-healthy. By choosing to eat only fruits and vegetables, you can lose weight quickly, assuming your Eat a healthy salad for lunch that includes fresh spinach to add protein. Make a fruit smoothie for breakfast by combining apple or pear juice, frozen.