Description: According to Betadaro, amino supplement is one of the best and most effective supplements for athletes. But what exactly is the use of amino acids in bodybuilding? Proteins would be the foundations of protein and you may already know, muscle building is extremely difficult without protein. You will find 3 categories of amino acids: essential, semi-essential and non-essential. Essential amino acids are those that cannot be created by the human body and must be obtained from external sources such as for instance supplements and food.