I am sure it is plenty of calories...for example this is what I had today.
 
Breakfast
Sausage Egg McMuffin 
MINUS the muffin 
Lunch
Baked Chicken Breast
Italian Green Beans
Brocolli Casserole
Fried Cabbage
1/2 slice Sugar Free Cheesecake 
Supper
Broccoli Cheese Soup 
I also found a good site if you ladies don't already know about it.  
http://www.lowcarbeating.com/