Hello there and thanks for the question!
Yummy dark chocolate! If you buy a good quality dark chocolate, it does have a decent amount of soluble fiber and minerals. In a 100 gram dark chocolate bar, you can get as much as 11 grams of fiber BUT you also get about 600 calories! So, even though dark chocolate has a good amount of fiber and minerals, like iron, magnesium, copper, it is also a high calorie treat. That is why eating dark chocolate should be consumed in moderation.