Lose weight quickly, without having to worry about shopping or even cook: it is the promise (more than tempting) slimming box, whose merits are touted year-round on television, with a spike in advertising to the approach of the summer.

Delivered directly at home, they contain all of our meals of the day, each calculated to the nearest calorie. A practical service, for those who wish to lose weight without any headaches, and on which the magazine "60 million consumers" has studied by testing five slimming box: Like I, Dietbon, Edel nutrition, Kitchendiet and Box Diet .

Surprise: It seems that this method of miracle diet is not "honest" with consumers. Worse, it would even put them at risk for their health.

Neglected nutritional quality and needs

First flat: the quality of food served in these boxes. No whole rice but white rice, ordinary starch but no legumes ... At most, these meals would not be better than prepared meals sold in supermarkets.

For "60 million consumers", the most problematic box would be "As I like". The label announces a contribution of 1,200 calories a day. However, according to the estimate of a nutritionist in charge of evaluating the real value of these rations, they would contain only 820 Kcal . What to fear the famous yo-yo effect : "As soon as you stop, you have had so much deprivation that your body will take revenge," she warns. Even by adding two dairy products and some fruits and vegetables, this program is too restrictive . Result: there is a risk of losing muscle mass and, at the end of the diet, gaining weight! "

Finally, in addition to being low calorie , the dishes would also be too rich in salt , sugars , additives, preservatives and emulsifiers ... A worrying finding because of their potentially harmful impact on health.

Boxes that especially lighten the wallet

"The box 'As I like' costs 170 € a week, or about 24 € a day At this price, what do we eat? A day like 'I like' consists of three tablespoons of muesli chocolate for breakfast, two dishes prepared for lunch and dinner, a high protein drink, and a compote for dessert or snack ", says the review. According to her, buying directly all the ingredients that make up these meals in supermarkets would have a relatively lower cost.

In short, one is never better served than by oneself.