Today can be found in many foods market with the name of light, "light" or "lighter", such as dairy products, ham, pate, salad dressings, cocoa powder, soft drinks, jams, biscuits, bread mold, etc..
The term light is applied to foods with lower caloric value over the whole food, whether or not to eliminate the fat fraction. The reduction in calorie intake of these products are decreasing the amount of carbohydrates or fats, using substitutes, such as sweeteners, etc.. Sometimes the product can be almost hot, but may contain other valuable nutrients such as vitamins or minerals. Due to the reduction of calories, its energy content is lower than the same amount of food is modified. However, that does not mean you lose weight, because weight loss is necessary to have a negative balance between what is consumed and what is spent. Therefore, light products will only take a slimming effect by reducing the overall daily diet higher calorie foods, whether or not light, but never simply consume itself.
A healthy diet and regular physical activity contributes to maintaining a good health, a healthy weight and help prevent illness. If thinning is necessary, it is recommended that a varied diet, adequate and balanced, combined with physical exercise, and it is not necessary to use these products.
The requirements should be met to qualify a food as light are:
- Whether there are similar products on the market unmodified ( "no light").
- To reduce the energy value is at least 30% compared to the reference product.
- That on the label, besides mentioning the percentage of reduction, see its energy value and the reference product (per 100 g or 100 ml) and, if desired, the energy value per serving.
- There should be subjected to misleading advertising or use the qualifier "slimming" or "regime".
Note that not all products are available in the market, meet the specifications above. It is therefore important to be informed, to look critically and always read the product label to make the purchase.