Protein supplements are used not only by athletes, but also those who care about losing excessive weight. They are the most popular supplements. When selecting, it is worth paying attention to the type of protein and the composition of the product. Protein products, like all other supplements, support our fight for a perfect figure. Protein is the basic building block of organs in the body. We can find them in hormones, antibodies and enzymes. Thanks to them, our body functions properly. It is very important to provide the right amount of amino acids, because it is thanks to them proteins are formed. The protein intensifies anabolic processes and protects against muscle atrophy. Nutrients consist mainly of protein, but it is never the same protein. We find in them carbohydrates, water, mineral salts and fat.

There are fast and slow proteins. Fast proteins, as the name suggests, are quickly absorbed. These proteins properly nourish our muscles after training. They are used before training and after waking up in the morning. Slow proteins release amino acids into the blood. This stops catabolism for a while. It is recommended to use such proteins, because during sleep the production of cortisol increases and they are responsible for catabolism.

The protein nutrients are usually made of four types of protein:

Whey protein

Whey protein is easily digested and absorbed quickly. It is helpful during regeneration after training. It has properties that stimulate the production of proteins and increase the growth of muscle mass. It supports the immune system. About 50% of whey protein is exogenous, with about 25% is BCAA. We can get whey concentrate, isolate and hydrolysate.

Soy protein

Soy protein is made from soybeans and contains arginine, which can significantly accelerate post-workout regeneration. Suitable for people who do not consume meat and have food allergies. It has a very good amino acid profile.


Casein is digested and absorbed much slower than whey protein. The digestive ingredients are released about 7 hours after ingestion. That is why it is recommended at bedtime. It reduces muscle breakdown during intense training.

Beef protein

The nutritional value of Beef protein is similar to the value of plant protein. We can find some fats in it, but at the same time some of exogenous amino acids.

Whey protein has the best effectiveness, because it has the highest biological value. Casein increases muscle mass very slowly. The best and most long-term is the combination of whey protein and casein. Soy protein has the lowest biological value. The use of protein supplements while having protein deficiency brings many positive effects.  It helps to lower cholesterol, reduces blood pressure in people suffering from hypertension and reduces the level of fasting insulin, which was not observed with regular consumption of casein.

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