This diet is offered by well-known American nutritionists. They recommend to consume during the day vegetables And fruits only green: green apples, cucumbers, green sweet peppers, zucchini, kiwi, lettuce, herbs.
The advice of these experts is based on the belief that green vegetables and fruits, as well as herbs, have a so-called negative caloric value: the body spends more calories than they contain these products for their digestion.
Of course, there is no harm from such products, but like any other limited diet, this requires a thoughtful attitude to the timing.
On such a diet should not sit for long, but it is better to first talk with the doctor-dietician health. Sumy. Ua.