The minority who have a fast metabolism, are generally tolerant of fatty foods like red meat. However, they are likely to experience digestion problems with green leaf vegetables, citrus fruit, and wheat products egs: bread and breakfast cereals.
Another important part of any diet is the vitamins and minerals it supplies.Your exact requirements depend on your metabolic type. For example, people with a slow metabolism, need plenty of magnesium, while people with a fast metabolism need plenty of calcium.
There are also foods that cause problems for both metabolic types - for example the highly processed fats and oils used for frying food.
The diet handbook Are You What You Eat ? gives details of all the foods, vitamins and minerals suited to each of the two main metabolic types. So with the help of this book, you will be able to make the necessary adjustments to your diet to meet your individual needs. And that's all that needs to be done. No calorie counting. Simply avoid the foods that don't suit you, eat as much as you like of the foods that do suit you, and supplement your diet with your appropriate vitamin and mineral requirements.