Soy protein isolates: benefit and harm

Sports nutrition today is an important element of training, as a result of which the goal is achieved more quickly. A huge number of sports supplements is aimed at improving health, building muscle tissue, burning subcutaneous fat. The main thing - to understand this set, so as not to cause harm to health.

Nutritional supplements for athletes

In the world of sports new additives constantly appear that help athletes to strengthen their health and form a beautiful body.

They almost do not differ from usual food. The main feature of them is that they are more concentrated and purified from harmful impurities, have a balanced composition of the necessary substances.

For example, from protein cocktails athletes get high-quality protein, isolated from dairy, meat and vegetable products at the same time. In addition, there is also added a vitamin-mineral complex. In general, a very useful supplement is obtained, which, however, does not overload the digestive system.

Among such supplements, we can name the isolates of soy protein.

Soy protein isolate

Soy protein competes with animal proteins. A hundred grams of the product accounts for 90 grams of protein, the energy value of 375 kcal. The vegetable is vegetable, which means that vegetarians and believers can freely use it during the period of fasting.

Isolates of soy protein contribute to the production of thyroxine (T4), which is responsible for the metabolism.

The composition of this additive includes amino acids, the percentage of which is greater than in animal proteins. Attention should be paid to the amino acid methionine, it is small, therefore requires additional admission.

There is practically no fat in this supplement, so it is suitable for drying or protein-vitamin diets. In addition, it is excellent for people with allergies to animal protein.

Isolates of soy protein are taken twice a day, before and after training. To prepare a cocktail, mix one and a half measuring spoons with a liquid: milk, juice or water.

Soy Protein Isolate

It is a protein supplement of vegetable origin, obtained from soybeans. In addition to protein (90% in the final product), contains a small amount of fat and carbohydrates, but the composition lacks lactose, in contrast to whey protein.

Rich in biologically active substances: soy lecithin and soy isoflavones. The first protects the liver, improves brain function, normalizes the metabolism of fat; The second - protects against oncological diseases and keeps the hormonal balance in norm. Also, the composition includes phosphorus and iron. There is arginine, which is responsible for the secretion of anabolic hormones, as well as glutamine, which suppresses metabolic stress. Caloric content is 100 kcal.

Isolate soy protein is ideal for building muscle mass, helps to reduce weight during a diet.

For preparation of a cocktail 1 measuring spoon to stir in 1 glass of a liquid (better low-fat milk). Can be used as a food substitute 1 time per day.

Benefit and harm

The value of the diet of a person actively engaged in training increases when using soy protein isolate, the benefits and harms of this food supplement are well known to athletes. Let's start with a good one:

• Soy is able to lower cholesterol in the blood, preventing cardiovascular diseases.
• Isoflavonoids in the composition of soy protein reduce the risk of developing malignant tumors.
• Sports performance is significantly increased.
• Improves the state of the body after training: improving recovery processes, reducing the sensation of pain.
• The use of soy protein for women is known: softening of symptoms in menopause, prevention of osteoporosis and breast cancer.
• Soy protein can be consumed by people with lactose intolerance.

It should also be remembered that the isolates of soy protein also have negative aspects:

• Soy protein has a low biological value, which is manifested in a weak amino acid reserve.
• It is not very well absorbed.
• It contains phytoestrogens (sex hormones, similar to female hormones); They block the secretion of testosterone in humans, men have problems with the formation of sperm.
• In exceptional cases, there may be indigestion or constipation. To avoid these problems, you must start taking soy protein from a lower dose.

Thus, if you want to buy soy protein isolate, the benefits and harms of it should be studied in advance, so that later there would be no health problems.

Price

To achieve good sports results, it is recommended to buy an isolate, the price of which is almost half the amount of whey protein. One kilogram of soy protein costs from 215 to 300 rubles. Many athletes note this as a positive side of soy protein.

In addition, you need to know that the price of the product depends on the percentage of protein in the portion: the greater the percentage of protein, the more expensive the product. In the market there are isolates of soy protein from 78 to 100% protein in 100 grams.

Such percentage composition is important when pursuing a specific goal. When drying, for example, it is better to use a 100 percent product.

In conclusion, it should be noted that at a low cost the product is available on the market.