Some of the amino-acids are reused in this process.) But our body is in constant need of amino acids (we e.g. excrete a lot of amino acids or maybe more correct nitrogen in the form of urea and uric acid via our urine). read more
I would argue that the human body does store amino acids, albeit in a different sense than you are thinking: in brief, all the amino acids are hiding in plane sight, namely in the form of proteins. read more
That fact is there is no amino acids store, although skeletal muscle sort of acts like a store of amino acids during a fast. Muscle protein starts breaking down overnight to supply amino acids for the rest of the body and continues to do so as fasting/starvation continues. read more