The problem of excess weight is an urgent problem for many people, but it can only be solved by combining physical exercise with dietary nutrition.If you seriously decide to take care of your body, lose weight, and also build beautiful muscles, you need to try a protein diet.It is one of the most effective, and you don't have to starve.Quite the opposite!The food will be quite filling.
Remember that protein is the main building block of our body.Apart from that, they also perform many other tasks to support life, so their presence in a person's daily diet is a must.Protein consists of amino acids and comes from plants and animals.Animal protein is considered the most valuable, it contains all the amino acids necessary for humans.Plant polypeptides are not as rich in amino acids, so their nutritional value is lower.With a lack of protein, muscle mass begins to decrease, it is gradually replaced by fat, immunity and resistance to stress decrease, fatigue occurs more quickly, and the condition of the skin, hair and nails worsens.Normally, a person needs 1 g of pure protein per day for every kilogram of body weight.
The essence of a protein diet
The protein diet is based on the following postulates:
- simple carbohydrates are completely excluded;
- protein makes up 60% of the daily diet;
- fats (especially vegetable) are present in minimal quantities;
- Protein foods for better digestion are supplemented with a small amount of vegetables and fruits.
It is known that carbohydrates are the main source of energy.When they are completely removed from the diet, an energy deficit occurs, and then the body begins to burn glycogen, and then fat.
- Food on a protein diet should be consumed in small portions every 2.5-3 hours, 5-6 times a day, while doing fitness every day.
- Special attention should be paid to product quality.Sausages, smoked meats and semi-finished products from supermarkets should be excluded, as first-class meat and fat are not always used in their preparation.In addition, it includes all kinds of herbal and chemical additives - preservatives, dyes, flavors, etc.
- Preference should be given to lean types of meat, poultry and fish, since the large amount of lipids interferes with the full absorption of protein.Therefore, it is best to avoid eating salmon, catfish, goose and duck, cod liver, pork and beef brisket.
Contraindications and disadvantages of a protein diet
Protein diets give excellent results in a short time, but cannot be recommended for everyone because they are not balanced.Due to the low content of vegetables and fruits, the body does not receive enough vitamins, microelements and other useful substances necessary for a person.Additionally, high amounts of protein in the diet can cause blood acidification, as evidenced by pH readings that fall below 7.35–7.45.In this case, the body needs more calcium, which begins to be excreted from the bones.This threatens the development of osteoporosis.Therefore, a protein diet can be done for a maximum of a week, then take a long break.Nutritionists mostly say that such a diet can only be applied once every six months, and some experts adhere to a stricter approach: no more than once a year, because it creates a large load on the organs of the digestive system.
The following side effects are possible with a protein diet:
- Animal proteins take a long time to digest, and when carbohydrates and fiber are in short supply, this process takes even longer.As a result, food stays longer in the intestines, putrefaction and fermentation processes become more intensive, leading to flatulence and bad breath.
- The load on the kidneys increases, which can cause swelling of the legs and bags under the eyes, as well as the liver.
- Due to slow digestion of food, constipation and exacerbation of gastritis and enterocolitis are possible.
- There may be a spike in blood pressure, an increase in cholesterol levels, and the risk of thrombosis increases.
- Feel tired more quickly and people become more irritable.
- In women, hormonal imbalance and ovarian dysfunction may occur.
From the above explanation it can be concluded that protein diets are contraindicated in the following conditions:
- kidney and liver disease;
- gout, diabetes, poor blood clotting;
- chronic diseases of the digestive tract;
- pregnancy and breastfeeding.
It is also not suitable for the elderly, people with cardiovascular disease, and teenagers.
Sweet tooths will likely find this diet difficult to tolerate.They may experience increased fatigue and nervousness due to the lack of carbohydrates.Often, after completing the course, they again consume sweet, high-calorie foods, quickly gaining lost weight.However, for meat eaters this will not be a burden.
The main advantage of this diet is a constant feeling of satiety, since protein foods take longer to process.In addition, protein foods help build muscle mass so this type of nutrition is very suitable for bodybuilders to dry their bodies.
Prohibited and permitted foods on a protein diet
The protein diet completely excludes the following foods:
- sweets (cakes, pastries, sweets and other desserts, including natural honey);
- sweet fruits (bananas, persimmons, dates, figs, apricots, grapes, watermelon);
- flour dishes, pasta and bakery products;
- fried and spicy foods, sauces, sausages, smoked meats, marinades;
- potatoes, beans, cereals;
- animal fat;
- sugary drinks, soda, alcohol, store-bought juices.
Instead, the following will appear in your table:
- lean meat and poultry (veal, beef, rabbit, skinless chicken, turkey fillet);
- lean fish, seafood, canned fish in oil;
- offal dishes (liver, tongue, lungs, kidneys)
- raw, boiled eggs, omelettes;
- low-fat milk and fermented milk products;
- mold;
- low-fat cheese;
- unsweetened pears, dried and fresh apples (preferably green), kiwi, citrus fruits, sour fruits;
- tomatoes, cabbage, cucumbers, zucchini, green vegetables;
- sugar substitute;
- oatmeal, brown rice, buckwheat, bran;
- vegetable oil (linseed, olive);
- water – 1.5 liters per day, tea, coffee without sugar, fresh juice.
The weight of one portion eaten at a time should not exceed 250 grams, and the energy value of food per day should be 1200 kcal.The main emphasis is on meat, and fruits, vegetables and bran are additional products.They contain fiber necessary for normal digestion, because protein foods cause constipation.Typically, a person also needs carbohydrates;with a protein diet replaced with oatmeal or brown rice.The portion of this product can be increased if fatigue increases or dizziness appears.You can also take additional multivitamins due to the lack of multivitamins in your daily diet.
Protein in food
- When on a protein diet, it is recommended to prepare dishes as simple as possible.
- Meat, fish and poultry can be boiled, stewed, grilled or in the oven with a little vegetable oil, and also steamed.
- You should not get carried away with spices and spicy additives, or add too much salt or pepper to your cooking.To make it more savory, you can just add a little mustard.
- Store-bought sausages are not suitable for a protein diet.
- Low-fat fermented milk products - cottage cheese, hard cheese - are perfect for a protein diet.
- For dinner, you can drink a protein shake which is sold in many sports stores as sports nutrition, especially when doing heavy physical activity.
Example of a protein diet menu for today
Protein diets can be short term (3-7 days) with three meals a day and long term (usually 2 weeks) with separate meals.The longer you stick to the diet, the more vitamins and microelements it contains.
An approximate power supply diagram could be like this:
- first breakfast: yogurt without fillers (options: low-fat kefir, cottage cheese, two eggs), tea or coffee;
- second breakfast: green apple (orange, grapefruit, kiwi);
- lunch: chicken (fish, veal) with vegetables, brown rice, buckwheat, oatmeal (about five spoons);
- afternoon snack: natural yogurt (low-fat cottage cheese, kefir, fermented baked milk, low-fat cheese);
- dinner: fish (beef, seafood, chicken) with vegetable salad, tea, fresh juice diluted with water.
Most often, the protein diet is maintained for 5-7 days, less often – 14 days.It is rare that the body can easily tolerate such nutrition, then it is followed for a month, but doctors strongly recommend not to experiment.The protein diet menu for a week usually contains a small amount of vegetables and fruit, but as the duration increases, the amount will increase.And if you feel very tired and sleepy, it's better to increase the amount of carbohydrates.Therefore, a 14-day protein diet menu usually contains more oatmeal, brown rice, buckwheat and vegetables.
Types of protein diets
There are many options for protein diets.All of them belong to the low-carbohydrate group and are based on the same principle - more protein, less carbohydrates.
- One of the most popular options is the egg diet.Relatively easy to tolerate because the daily diet is quite balanced.It is also recommended to avoid fat and limit carbohydrates, but fruit and vegetables are allowed in large quantities.Eggs, chicken or quail, are eaten boiled or baked in the oven as an omelet.
- The basis of the Japanese diet is seafood, fish, rice and soybeans.Carbohydrates and fats are present, but in limited quantities.Salt, sugar, baked goods made from white wheat flour are completely excluded.You are also allowed to consume cabbage, eggplant, zucchini, carrots, tomatoes, lean beef, chicken, eggs, unsweetened fruit, low-fat dairy products and whole wheat bread.
- Another type of protein diet is cottage cheese.In this case, the emphasis is on fermented milk products and green vegetables.
- The Dukan diet initially allows skinless chicken, turkey, fish, low-fat dairy products, a spoonful of wheat bran per day, and after a few days vegetables are introduced.
Protein diet during pregnancy and breastfeeding
Protein is very necessary during pregnancy and breastfeeding, but a pregnant or breastfeeding woman's diet must be balanced in all respects.During this period, a woman especially needs fats, carbohydrates, vitamins, minerals, trace elements and other valuable substances, and a protein diet in pure form cannot provide all this.Therefore, it is not recommended for pregnant and breastfeeding mothers to adhere to it.
What to pay attention to
Nutritionists and doctors strongly discourage switching to a protein diet without first consulting a specialist, because it can worsen chronic diseases.With a two-week course, you should also take multivitamins, and in case of increased fatigue and irritability, the menu should be enriched with carbohydrates.It is strictly forbidden to combine such nutrition with taking medications and alcohol.
How to get out of the diet
You should exit any diet gradually so that the lost weight does not return after a short time.First of all, you should not increase portion sizes drastically.Previously excluded foods can be added little by little, but flour and sweet foods should be the last foods in the daily diet.It is better to increase the amount of fruits and vegetables, as well as cereals.You need to continue eating lean meat, fish and dairy products.Alcohol is allowed no earlier than 5 days after switching to a regular diet.
The main advantage of a protein diet is that it allows you to lose 3-5 kilograms in a matter of days without fasting, but it should be used very carefully and not for a long time.