Yes you can have fat-free cocoa on the dukan diet.
In fact it is often used to make "chocolate" flavoured deserts while following this weight loss program.
However it is only a tolerated product, so you can have it only after the Attack phase, and not in excessive quantities.
All product names, trademarks, registered trademarks, service marks or registered service marks, mentioned throughout any part of the MyDukanDiet.com web site belong to their respective owners.
The information related to health and nutrition provided by this website is designed for educational purposes only.
As an Amazon Associate I earn from qualifying purchases.