Brown sugar is an added sugar that poses many health concerns and offers nothing except a lot of calories – 380 calories for 100 grams. There is no advantage to consuming it daily. There is a set limit by the American Heart Association regarding the consumption of sugars: less than 100 calories (6 teaspoons) for women and less than 150 calories (9 teaspoons) for men (3). To get an idea of how to limit your intake, you can calculate your daily calories and decide how much you want to consume.