You would need the plan (which is in German). You get 17 triangles per day for carbs and 12 circles for fat. Then it is a bit like WeightWatchers, you have a food plan telling you how many triangles or circles the particular food has. Example: A portion of Special K Black Berry (30g) has 3 triangles and 1 circle, you then need to add one more triangle for 1 glass (200g) of skimmed or semi-skimmed milk and one triangle and 2 circles for full fat milk. Throughout the day you mark off everything you eat and drink and Siobhan has proven that it works very well. :)