There's no calorie counting or anything involved. You can go online and find your nearest class. You get a welcome pack on your first night and everything you need is in it. Fruit and veg, pasta, rice etc is all classed as free food so you can eat as much as you like. Then you have a heathy option a & b. these foods have to be measured but you have to eat one of each a day. Then you have your syns which can be 5-15 a day. You really can eat what you like!