Why you can not consume less than 800 calories a day?

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20082687-tomatoLess than 800 calories alters the metabolism

To lose weight you can perform all kinds of diets, both balanced diets and restrictive diets. Within the latter group is the diet of 800 calories, but before realizing it would be important to ask yourself why you can not consume less than 800 calories a day, why alter metabolism.

Restrictive diets are very tempting because they promise to lose weight very quickly. Nevertheless, it is important that you consider that it is not always possible to perform, especially when it is less than 800 calories a day.

Why your body needs at least 800 calories daily?

The answer to this question is much easier than you might think. It is not possible to consume less than 800 calories a day, because your body to function properly need more than that to fulfill all their bodily functions and all your daily activities.

So you can understand in more detail, I will explain why the body needs calories to function and how many need at least for the organic operation is not affected.

Why the body needs calories to function?

The body needs nutrients to function properly and from them the calories or energy that the body needs, even when the body is at rest needs a minimum amount of calories to keep the body in that state are obtained. This is known as Basal Metabolic Rate (BMR). Not everyone needs the same TMB, as this will depend on your body surface area, represented by the weight and size; as well as your age.

Obtain the result
If you make this calculation, you will see that the amount of calories your body needs represent more than 800 calories, without adding physical activity.

necesaroas calories for the body to function properly

According to official agencies and generally an average woman would need on average 1500 calories and 2000 calories a man. These are estimates that vary according to each person.

A 1200 calorie diet is considered a low-calorie balanced diet, but a diet of 800 calories is considered a restrictivita diet, while it may help you lose weight, it is not considered healthy because it is not enough to meet the basic needs of the body.

How the body reacts when you bring 800 calories or less?

The body does not get the amount of calories you need to perform all its vital functions, thus lowers the metabolic rate and decrease all physiological processes. Thus saving energy. While at first you lose weight quickly, this weight is liquid accumulated, but after that weight loss stagnates because low metabolism.

In conclusion, to a diet of 800 calories the body reacts by saving energy. Consume less than 800 calories is not healthy for several reasons. On the one hand, you lose weight and then regain the body suffers because it needs more calories to meet their basic needs.

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