When the total cocoa solids of chocolate exceed 30%, the color is dark, which is called dark chocolate. Dark chocolate also has purity. The higher the purity, the less additives such as sugar, the lower the fat content and the healthier it is. But even dark chocolate still contains high calories, about 550 kilocalories per100g. It is generally recommended that women's daily energy intake is about 1800 ~ 2000 kcal. For people who need to lose weight, it is best to eat less or not.
Of course, whether you will gain weight is related to the total energy intake and consumption. You can control the total energy intake in a day. If you like to eat, you can control it at about 30 grams a day or reduce the number of times you eat and eat less other snacks.