Speaker: Can I gain weight from drinking alcohol? Gwendolyn Francavillo: Alcohol has a lot of calories. It's very high in calories and the lot of people will not realize that. There are lot of calories that are in alcohols itself, they are very similar to fat calories and also the additions that you put into the alcohols like that the soda and fruit juices may actually behind sugar. So, there are a lot of calories that you won't realize when you're having them, if you are going out for an evening or for a party. So, you really want to be careful about your consumption of alcohol as far as weight gain as well.