Take 10ml half an hour before running, and never drink too much. You will sweat a lot, and you will be energetic and not tired. Using it several times more can get twice the result with half the effort, and the skimming effect of liquid with high levorotatory purity is obvious. Nottland is produced in the Czech Republic. Currently imported from China. There is no need to worry about the quality of food in Europe and America, and there are no side effects. Yangfei health care sports