With the Nintendo DSi and DS, you'll find a convenient way to stay focused on your regimen - even when you're on the go! Want to know how much that burger will cost you in calories, or which exercises you can do easily without equipment when you're on vacation? All of that information and more is right in your hands.

With the Nintendo DSi and DS, you'll find a convenient way to stay focused on your regimen - even when you're on the go! Want to know how much that burger will cost you in calories, or which exercises you can do easily without equipment when you're on vacation? All of that information and more is right in your hands.