Obtain a work visa. If you require a visa to work in Australia, submitting an application to the relevant embassy is your first priority.
Plavix (Clopidogrel): Plavix works by preventing coagulation of the platelets in the blood. It is especially suited for people who have certain medical conditions and heart conditions. It is also used as a preventative tool against the formation of clots in persons who have had a heart attack or stroke.
Vitamin C, VItamin E are antioxidants. You should also check for Polyphenols supplements such as Proanthocyanidol and Resveratrol. As for herbs, I would suggest Ciboulette. A mixture of Ciboulette, Garlic, Onion and Cucurma is a very good blood thinner.