It should be shown in the statistics page if you toggle the category to "Meal" by clicking on the top-most Spinner:

Unless I have missed it entirely, this screen only shows my carbohydrates/BEs/KEs, not any of the other values like calories, sugar, fat, fibers, etc.

On top of that a "today" or custom date selector for the second dropdown would also be nice to get accurate values of just a single day.

You are right, this screen concentrates on carbohydrates as they are the most interesting value/nutrient for Diabetics. I agree that other nutrients may be of interest of well but this would require some adjustment of entering meals. Currently most nutrients are only tracked when entering a meal with the support of the food database. I will edit the title of this issue accordingly.

I agree that "Today" and a date selector would be beneficial for the statistics and extract that into two separate issues: #28 #29