Has anyone successfully import a tryptophan product into Australia - I stipulation some as I suffer depression.?

Has anyone successfully import a tryptophan product into Australia - I stipulation some as I suffer depression.?
unfortunately tryptophan treatments within Australia are restricted.
you can't have tryptophan surrounded by australia? It's naturally found within turkey... Just eat some turkey..
In pill form; it be pulled years back as it be tainted and slaughter people. I also would similar to it back. It really works in good health!