Are smoothies a part of a healthy diet? They increase your fruit intake, but smoothies come with some caveats, according to our experts. Read on for some ways smoothies can change your life, and a few of our fix a poor diet, but they can make a good addition to a healthy diet, and they found However, since a smoothie is just blended fruits and vegetables. I always drink a fresh fruit smoothie for breakfast, either homemade or, if I'm rushed, from a juice bar. I think I'm making a healthy choice but am.