Food or drinks with ?negative calories? are perceived to have ?x (insert number) calories. This means that if you eat food with negative calories, you will burn calories even if you don?t exercise. However, research shows that companies selling food or drinks with ?negative calories? may be giving insufficient or even false information. It is actually impossible for any type of food or drink to have negative calories. According to General Lisa Madigan, an Illinois Attorney, the phrase ?negative calories? were ?misrepresentations based on insufficient evidence that doesn?t support the weight-loss claims?.
It is important to make two distinctions here. One is the concept of ?negative calories?, which involves the false belief that it is possible for an edible product to have less than zero calories, and that by consuming less than zero calories, this product itself reduces the calories in your body. Another is the concept of edible products that alone do not burn calories, but when combined with regular exercise or an active lifestyle, can promote metabolism and calorie-burn. The problem is that many consumers are unaware of the difference between these two concepts, in which the former is false and the latter is true. They believe these two concepts are the same thing.
An example is green-tea-based drinks. They contain caffeine and epigallocatechin gallate (EGCG), which together help boost metabolism and calorie- burn. Nevertheless, such drinks only promote metabolism and calorie-burn if you exercise regularly. Their capacity to promote metabolism and calorie-burn is ineffective otherwise.
Companies that used the phrase ?negative calories? to market their products recently agreed to change their marketing strategy. One case is of Coca-Cola and Nestle?s product ?Enviga?. After being filed with lawsuits, Ray Crockett, a Coca-Cola spokesman, admitted that ?Enviga burns calories, but by itself is not a guarantee of weight loss?.
An Enviga Advertisement
After all, it is important to be aware that a healthy lifestyle is one that is
balanced. Merely consuming food with low calories or food with the capacity to promote metabolism will not contribute towards a healthy balanced diet nor lead to weight-loss. Only will they be effective when implemented with regular exercise.
Sources
- Tufts University Health & Nutrition Letter
- Image: http://www.businessweek.com/the_thread/brandnewday/archives/2007/02/ negative_calori.html
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