Overcome the fatigue with BCAA - Wszystko, co musisz wiedzieć

Anna Schmidt
August 25, 2025
4min.
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Overcome the fatigue with BCAA

Is it the fault of laziness and the mental weakness that we have created ourselves? Contrary to popular belief, it's not the fault for bad weather either. With the advancement of human science, we're slowly beginning to understand where such bad days come from and that means we can also fight them and fight bouts of vomiting. Lack of motivation, loss of concentration, and even boils have affected everyone's training. No. Each of us has the right to have a bad day where our 100% doesn't look like it always does. Interestingly, a powerful weapon in the fight against successful training turns out to be a tool that normally has no stimulating properties, namely, a BCAA bypass.

Table of Contents

1. It's the kind of fatigue you get when you're training

2. The interaction between BCAA and serotonin

1. It's the kind of fatigue you get when you're training

Or I'm feeling high central fatigue. Both of these variations will lead to a reduction in the intensity of the training, but ultimately to the cessation of it. At the physiological level, however, they are completely different from each other. The muscle contractions, one after the other, that follow each other during training, require an increased expenditure of energy from us. The muscles use all the sources of energy just to allow the brain to do the work it wants to do.

2. The interaction between BCAA and serotonin

The first is that tryptophan is the only amino acid transported in the bloodstream by binding to the transport protein albumin. Free tryptofan is able to break the blood-brain barrier, passes to the brain, where it is then converted to serotonin. They are transported the same way as trymtophan, so they compete for these carriers. Serotonin synthesis in the brain is a multi-stage process, but the first stage is catalyzed by the blood tryptoonine hydroxyl enzyme, and as the name suggests, the substrate used in the synthesizer of serotonin is converted into the central nervous system.

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