While nutrition experts point out that drinking in moderation has been proven to have some health benefits, most agree it should be cut if you’re trying to lose weight. The empty calories add up. “A regular Pina Colada has 570 calories,” Malkoff says. “Add that with other drinks and you can end the day with extra 3,000 calories.” “If you want the best results possible, alcohol should not even be a thought,” Marcus Carter from New Beginnings Nutrition says.