Branched Chain Amino Acids (BCAA) and Their Action
Wojciech Wiśniewski
2026-03-21
2 min. read
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BCAA branched amino acids are an essential supplement in every athlete's diet, particularly for those engaged in strength sports. Today, branched amino acids are a common component in many other nutritional supplements, including protein blends. But what do we even know about the component bcaa and how it functions?
AAK that should be provided to the body
These are the three exogenous amino acids that athletes should provide to the body with food or in the form of a dietary supplement. The human body is unable to produce them on its own. They include: leucine, isoleucine, and valine. 2. What makes them so crucial? These three amino acids and branches inhibit muscle catabolism, have anabolic effects, increase synthetic protein production, and the natural production of popular hormones that have a positive effect on the formation of muscle tissue, such as growth hormone and insulin. Research has shown that BCAA also has a positive impact on muscle mass gain, muscle strength, and helps maintain these characteristics during reduction. Additionally, BCAA can positively affect the reduction of the percentage of subcutaneous fat tissue in the body by combining with carbohydrates, which can be found in everyday foods as well as in supplements such as gainer or carbohydrates. Branched-chain amino acids should be taken after training, but can also be used before training. Scientific research has shown that a high concentration of BCAA in the body extends the effective working time of the muscles during training, making it possible to train not only harder, but also longer. The optimal daily dose of BCAA is 10 g. Most popular products contain about 0,8 g of amino acids per 1 g of the preparation. 3. How does it work? Branched-chain amino acids BCAA quickly enter the bloodstream after ingestion and are taken up by muscle cells, where the processes described above occur, making them one of the best and most effective dietary supplements available on the market.
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