Any other concerning side effects, if one were to use this? (or, why is it an illegal drug?)
The difference between this DNP and the DNP you can buy on the blackmarket is that the DNP used in these modern fatty-liver studies is time released in smaller doses.
Users can expect to lose about ~1lb/day. But, it is very hard on you. You want to learn how to lose weight on a caloric deficit and macronutrient partitioning, about 1lb/week, and stick to a diet for at least a year before you even consider this. Otherwise, you don't have the right habits.