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Crash diet

, medical expert
Last reviewed: 27.03.2019
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In English, srash means to crush, to break. It means fast extreme weight loss. Under this name is covered any diet that severely limits the consumption of daily calories (not more than 800 kcal), or reduces the amount of food consumed to 2-3 items. One of the authors of this blitz weight loss (for 15 days 10kg) is a sports physiologist Lyle MacDonald.

A nutritionist has written a book on this topic, in which he sets out a scientific approach to quickly getting rid of excess fat. The essence of the diet is to limit calories, but not to deprive a person of the proteins, vitamins, minerals, essential fatty acids necessary for the normal functioning of the body. In this case, the benefits will prevail and the harm to health will be minimized.

Its main principle is the reduction of carbohydrate intake. Replaceable nutrients are excluded from the diet, and proteins and omega-3 acids come with food. Not receiving a source of energy in the form of fast carbohydrates, the body begins to burn its own fat reserves. The combination of such a power system with exercise will lose weight, but not muscle mass.

General information of the crash diets

There are various options for crash diets: berry, yoghurt, seafood, lemonade, ketogenic and others. The diet depends on the chosen food system and in each products are dominated by the name. The main thing to count calories and not to go through with the energy value of food. The menu for 2 weeks is not too extreme diet may look like this:

Day

Breakfast

2nd breakfast

Dinner

Afternoon tea

Dinner

1st

Porridge on the water (250g), half a glass of skimmed milk

An Apple

Lean borsch (250g)

Banana

Boiled chicken breast (100g), fresh vegetable salad

2nd

Porridge "3 cereal"

Orange

Vegetable soup

Strawberry

Buckwheat

3rd

Low Fat Curd Cheesecakes

Dried fruit compote, loaves

Vegetable stew

Pear

Cabbage cutlets

4th

Yogurt with bread

Grapefruit

Homemade soup in weak chicken broth

Cherry

Boiled fish

5th

Hard cheese, apple

Milk

Braised cabbage with champignons

3 walnuts

Cucumber salad, tomato, pepper, dressed with sour cream

6th

Boiled Cauliflower

Kiwi

Schi lean

Yogurt

Boiled beef, green peas

7th

Cottage cheese

An Apple

Baked meat, asparagus beans

Compote

Vegetable souffle

8th

Porridge "Hercules"

Orange

Rice with vegetables

Plums

Baked fish with lemon

9th

Buckwheat porridge

Pear

Sorrel borscht on beef broth

Yogurt

Broccoli Chicken

10th

Cheese, a slice of bread

Fruit Salad

Fish ear

The nuts

Omelet protein on vegetables

11th

Durum wheat pasta sprinkled with cheese

Grapefruit

Pea Soup Chicken Broth

Dried fruits compote

Cabbage salad, carrots, greens, boiled meat

12th

Oatmeal porridge

Low fat cottage cheese

Moussaka from vegetables

Milk, loaves

Fish, tomatoes

13th

Cottage cheese

Banana

Vegetable stew with a piece of turkey meat

An Apple

Grilled boiled egg, zucchini

14th

Buckwheat

Milk

Meatball Soup

Orange

Meat soufflé, vegetables

The difficulty of these diets is to significantly reduce servings. With an average of 2000–2500 kcal required for the full existence of a person, they decrease by one third, therefore short-term crash diets. If someone has health to sit on it for a month, then the diet menu by day can be repeated, starting from the first week.

Dish recipes

Meals from the diet menu are simple and uncomplicated, with a limited set of products. The hostesses know that it is tasty when you are busy for a long time, you use high-calorie foods, fats, seasonings. In the case of crash-diets, a person who is not experienced in cooking can handle it. Here are some recipes:

  • buckwheat porridge - cereal is washed and placed in a thermos, then poured boiling water at a ratio of 1: 2, it is steamed overnight and you can eat it for breakfast. To her good to make a salad of their vegetables, dressed with olive oil. He for 10 minutes will allocate juice, which you can pour porridge;
  • scrambled eggs - sauté the onion, zucchini, pepper, tomato in a pan. Beat egg, add a little milk, pour into the pan. Before serving, crumble greens;
  • fish - whole or pieces of lemon wrap, wrap in foil, bake in the oven;
  • stew - shred white cabbage, onion, carrot, sweet pepper, tomato, zucchini, eggplant, mushrooms, other available vegetables, lightly salted, sprinkled with sunflower oil and stewed;
  • moussaka - layered in layers: onions, carrots, celery root cut into slices, chicken, eggplants, bell peppers, tomatoes and baked in the oven for 40-60 minutes.

What can and what can not?

The list of products recommended for nutrition in the days of the diet are those in which protein is predominant and there are no fats, carbohydrates. What can you eat? From protein products to choose:

  • lean red meat;
  • chicken or turkey meat;
  • low-fat fish (pollock, cod, hake, halibut);
  • hard cheeses and low fat cottage cheese;
  • egg whites;
  • seafood (squids, crabs).

Along with these products, fibrous vegetables should be present in the menu: asparagus, white cabbage and Brussels sprouts, broccoli, celery, zucchini, mushrooms, cucumbers, zucchini, sweet peppers. Cellulose in their composition will give a feeling of satiety and will contribute to intestinal motility. The daily number of meals is at least 4 times, the portions are small. Required daily intake of a spoon of fish oil or flaxseed oil. Once a week it is allowed to eat something delicious, not included in the diet, but without excesses. And of course, you need to drink a lot to remove the decay products from the body.

Crash diets exclude carbohydrates from the menu, which means flour and sweet, fat. As with any other diet can not eat spicy, smoked, canned, fried.

Contraindications

Only healthy people can resort to diets, especially so tough. They are contraindicated, first of all, with problems of the digestive tract, cardiovascular diseases, renal failure, etc.

trusted-source[1], [2]

Possible risks

Crash diet can cause a slowdown in metabolism, weaken the immune system, lead to dehydration, cause problems with the liver and kidneys. Possible complications associated with cardiac activity, impaired bowel function. Skin, nails, hair may be affected.

trusted-source[3], [4], [5]

Reviews

According to those who have experienced such a diet, and these are predominantly girls who needed to urgently put themselves in shape on the occasion of the upcoming important events for them, the result really is. Some managed to lose 3-4kg in a week. But everyone unanimously warns that it is difficult to keep the weight, after a short period of time it returns.

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