A pill that reduces a woman drop a dress size, the counter in the space of a few months.
In the case of a combination tablet with each meal is requested, more than 50 percent of weight loss that the will alone.
The £ 1-a-day drug - the first of its kind, sold without prescription - promises to the weight of men and women between the ages of 5 and 10% in four months.
Around a quarter of these alliances, in order to find your weight is at least a tenth.
For a 11-stone woman, this means more than reducing the stone - or a dress size.
After a successful launch in the United States, where turnover of £ 75million achieved in six months, preparing GlaxoSmithKline Alli on the shelves of pharmacies in the United Kingdom.
The pill is half power version of Xenical is the prescription, plus a healthy diet and regular physical activity.
A spokesman said: “The bonus is that the only diet and exercise, you can lose two pounds a week.
“We can say that you lose more than 50%, so that instead of two pounds to lose, you lose three and reach your goal weight a little faster.
“It’s a question of motivation.”
Glaxo has a license to sell the Alliance in the United Kingdom with regard to early next year.
The drug is now, just before the counter, and packaging is included, information on healthy eating and information to a support site for weight loss.