What foods are you wanting to list. Normally the easiest method is to list the ingredients seperately. They have Sweet and Low, but you would have to add splenda as a custom food. For the most part enter in things such as veggies, meat, and eggs raw, or it will add salt and other things for you.

Yes calories matter, but if you are eating only until satisfied, losing weight, and getting enough to eat, then don't worry. Read the Atkins book about the metobolic advantage of a low carb diet. This doesn't mean you can gorge though. Calories still matter, but you can safely consume a higher amount while doing LC then you could doing low fat. On induction you don't need to count calories. Only some people need to count when they get closer to thier goal weight. Much of that is impatience though, or making sure to get enough once appitite goes down. Eating to few calories can stall weight loss.

As for the 3000 it says you are burning, go under the activities link. There it will show how that is broken down. Part of it is your basal metobolic rate. That is how many caloreis you burn at your current weight just staying alive. It is important to eat close to or above your basal rate.

Then it also factors in what ever you stated your "lifestyle" was on the home page. Click the home link anytime to examine that or change it. It takes how active your lifestyle is and assignes a number of calories to what it thinks you would burn in that day.

Of course it isn't exactly accurate. The basal could be affected by your metabolism or medication. You'r lifestyle won't be nearly exact, and when you enter in activities it kind of averages and rounds. Unless you are constantly eating way over your calorie output though, it's not a worry.