Dieting is the practice of eating specific foods in a regulated way, in an effort to regulate and lose weight. There are a huge variety of different diets and weight loss programs on the market, from free Internet systems through to complex commercial programs. While many people lose weight with nothing more than a diet book by their side and a lot of discipline, this route can be difficult and is certainly not for everyone. In contrast to this DIY route, many people choose to purchase diet contracts from commercial diet companies, many of which include delivered diet food programs and motivational information. Delivered diet food is popular for many reasons, because it allows people to access high quality food that fulfils the requirements of specific dieting programs.

Even though there has been literally thousands of different diets published over the last few decades, most of them fit into one of four distinct categories. These categories include low fat diets, low carbohydrate diets, low calorie diets, and very low calorie diets. In a number of independent studies, all of these different styles of dieting have been found to have similar results, although many people around the world have a preference for one type of diet over another. Commercial dieting programs often specialise in one of these dieting categories, and produce food and literature which takes advantage of a particular approach to weight loss.

Diets are valuable for lots of people around the world, many of whom use them successfully to lose and regulate their body weight and shape. However, there is no denying the fact that a great number of people also fail in their dieting efforts, with many people also losing weight initially before putting it back on as time goes on. There are many reasons for this failure rate, and some of them are quite complex and linked to a range of psychological factors. However, some of the reasons are also quite simple, with people not having the time and energy to cook the right kind of food on a daily basis. Delivered diet food programs are created to solve these problems, by providing clients with high quality food, dieting literature, and motivational information directly to their own front doors.