Parasite cleanse after 9 failed liver flushes....

Hi,
After 9 Liver Flushes without results, I have decided to do a parasite cleanse. Is the NOW foods one good to use; http://www.naturalhealthyconcepts.com/mm5/merchant.mvc?
And am I right that 3 servings a day of 2 dropperfuls will only last 12 or 13 days? So I'll need 3 bottles for a 30 day cleanse? I want to get it right because I'm an international customer and shipping is very very expensive.

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