In Japan, so further price nearly doubled in the amount of this half (of 2011, about a pair of $ 85 yen), the price difference will be more than three times. I think that a bargain. It should be noted that the standard intake of thumb is so 10ml of the day, when taken as a guide, one can not be as possible to drink all by the deadline (4 weeks after opening) is. Or take in little more, I think that it is better to use two or more people.