L-Leucine is one of the main essential amino acids and also belongs to the group of BCAA. The 9 amino acids that the body can not synthesize and that must be brought by diet and supplements for the use of athletes.
In modern products based on BCAA, there are increasingly important proportions of leucine, therefore why not take pure leucine, which allows a more correct and more accurate dosage. That's what hardcore bodybuilders do.
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