You will be prompted for your height, weight, age and activity level. This will then calculate the calories you require to lose, maintain or gain weight. One size fits all is no longer the way to get the best out of your diet. We calculate and reduce your required calories by 500 a day recommended for lose weight. Weighing in each week as your weight and activity levels change will personalise your plan to the near exact calorie levels you require for that week just click the MATCH ENERGY GOAL button at the top of each day before reviewing and personalising your menu to taste. We are the first company to match the calories you require to meet your goals.